package llvm

  1. Overview
  2. Docs
On This Page
  1. Abstract types
  2. Iteration
  3. Exceptions
  4. Global configuration
  5. Context error handling
  6. Contexts
  7. Attributes
  8. Modules
  9. Operations on integer types
  10. Operations on real types
  11. Operations on function types
  12. Operations on struct types
  13. Operations on pointer, vector, and array types
  14. Operations on other types
  15. Values
  16. Uses
  17. Users
  18. Operations on constants of (mostly) any type
  19. Operations on instructions
  20. Operations on metadata
  21. Operations on scalar constants
  22. Operations on composite constants
  23. Constant expressions
  24. Operations on global variables, functions, and aliases (globals)
  25. Operations on global variables
  26. Operations on aliases
  27. Operations on functions
  28. Operations on params
  29. Operations on basic blocks
  30. Operations on instructions
  31. Operations on call sites
  32. Operations on call and invoke instructions (only)
  33. Operations on load/store instructions (only)
  34. Operations on terminators
  35. Operations on branches
  36. Operations on phi nodes
  37. Instruction builders
  38. Metadata
  39. Terminators
  40. Arithmetic
  41. Memory
  42. Casts
  43. Comparisons
  44. Miscellaneous instructions
  45. Memory buffers
  46. Pass Managers
package llvm
Legend:
Library
Module
Module type
Parameter
Class
Class type

Core API.

This interface provides an OCaml API for the LLVM intermediate representation, the classes in the VMCore library.

Abstract types

These abstract types correlate directly to the LLVMCore classes.

type llcontext

The top-level container for all LLVM global data. See the llvm::LLVMContext class.

type llmodule

The top-level container for all other LLVM Intermediate Representation (IR) objects. See the llvm::Module class.

type llmetadata

Opaque representation of Metadata nodes. See the llvm::Metadata class.

type lltype

Each value in the LLVM IR has a type, an instance of lltype. See the llvm::Type class.

type llvalue

Any value in the LLVM IR. Functions, instructions, global variables, constants, and much more are all llvalues. See the llvm::Value class. This type covers a wide range of subclasses.

type lluse

Used to store users and usees of values. See the llvm::Use class.

type llbasicblock

A basic block in LLVM IR. See the llvm::BasicBlock class.

type llbuilder

Used to generate instructions in the LLVM IR. See the llvm::LLVMBuilder class.

type llattrkind

Used to represent attribute kinds.

type llattribute

An attribute in LLVM IR. See the llvm::Attribute class.

type llmemorybuffer

Used to efficiently handle large buffers of read-only binary data. See the llvm::MemoryBuffer class.

type llmdkind

The kind id of metadata attached to an instruction.

module TypeKind : sig ... end

The kind of an lltype, the result of classify_type ty. See the llvm::Type::TypeID enumeration.

module Linkage : sig ... end

The linkage of a global value, accessed with linkage and set_linkage. See llvm::GlobalValue::LinkageTypes.

module Visibility : sig ... end

The linker visibility of a global value, accessed with visibility and set_visibility. See llvm::GlobalValue::VisibilityTypes.

module DLLStorageClass : sig ... end

The DLL storage class of a global value, accessed with dll_storage_class and set_dll_storage_class. See llvm::GlobalValue::DLLStorageClassTypes.

module CallConv : sig ... end

The following calling convention values may be accessed with function_call_conv and set_function_call_conv. Calling conventions are open-ended.

module AttrRepr : sig ... end

The logical representation of an attribute.

module AttrIndex : sig ... end

The position of an attribute. See LLVMAttributeIndex.

module Icmp : sig ... end

The predicate for an integer comparison (icmp) instruction. See the llvm::ICmpInst::Predicate enumeration.

module Fcmp : sig ... end

The predicate for a floating-point comparison (fcmp) instruction. Ordered means that neither operand is a QNAN while unordered means that either operand may be a QNAN. See the llvm::FCmpInst::Predicate enumeration.

module Opcode : sig ... end

The opcodes for LLVM instructions and constant expressions.

module LandingPadClauseTy : sig ... end

The type of a clause of a landingpad instruction. See llvm::LandingPadInst::ClauseType.

module ThreadLocalMode : sig ... end

The thread local mode of a global value, accessed with thread_local_mode and set_thread_local_mode. See llvm::GlobalVariable::ThreadLocalMode.

module AtomicOrdering : sig ... end

The ordering of an atomic load, store, cmpxchg, atomicrmw or fence instruction. See llvm::AtomicOrdering.

module AtomicRMWBinOp : sig ... end

The opcode of an atomicrmw instruction. See llvm::AtomicRMWInst::BinOp.

module ValueKind : sig ... end

The kind of an llvalue, the result of classify_value v. See the various LLVMIsA* functions.

module DiagnosticSeverity : sig ... end

The kind of Diagnostic, the result of Diagnostic.severity d. See llvm::DiagnosticSeverity.

module ModuleFlagBehavior : sig ... end
Iteration
type ('a, 'b) llpos =
  1. | At_end of 'a
  2. | Before of 'b

Before b and At_end a specify positions from the start of the 'b list of a. llpos is used to specify positions in and for forward iteration through the various value lists maintained by the LLVM IR.

type ('a, 'b) llrev_pos =
  1. | At_start of 'a
  2. | After of 'b

After b and At_start a specify positions from the end of the 'b list of a. llrev_pos is used for reverse iteration through the various value lists maintained by the LLVM IR.

Exceptions
exception FeatureDisabled of string
exception IoError of string
Global configuration
val enable_pretty_stacktrace : unit -> unit

enable_pretty_stacktraces () enables LLVM's built-in stack trace code. This intercepts the OS's crash signals and prints which component of LLVM you were in at the time of the crash.

val install_fatal_error_handler : (string -> unit) -> unit

install_fatal_error_handler f installs f as LLVM's fatal error handler. The handler will receive the reason for termination as a string. After the handler has been executed, LLVM calls exit(1).

val reset_fatal_error_handler : unit -> unit

reset_fatal_error_handler () resets LLVM's fatal error handler.

val parse_command_line_options : ?overview:string -> string array -> unit

parse_command_line_options ?overview args parses args using the LLVM command line parser. Note that the only stable thing about this function is its signature; you cannot rely on any particular set of command line arguments being interpreted the same way across LLVM versions.

See the function llvm::cl::ParseCommandLineOptions().

Context error handling
module Diagnostic : sig ... end
val set_diagnostic_handler : llcontext -> (Diagnostic.t -> unit) option -> unit

set_diagnostic_handler c h set the diagnostic handler of c to h. See the method llvm::LLVMContext::setDiagnosticHandler.

Contexts
val create_context : unit -> llcontext

create_context () creates a context for storing the "global" state in LLVM. See the constructor llvm::LLVMContext.

val dispose_context : llcontext -> unit

destroy_context () destroys a context. See the destructor llvm::LLVMContext::~LLVMContext.

val global_context : unit -> llcontext

See the function LLVMGetGlobalContext.

val mdkind_id : llcontext -> string -> llmdkind

mdkind_id context name returns the MDKind ID that corresponds to the name name in the context context. See the function llvm::LLVMContext::getMDKindID.

Attributes
exception UnknownAttribute of string

UnknownAttribute attr is raised when a enum attribute name name is not recognized by LLVM.

val enum_attr_kind : string -> llattrkind

enum_attr_kind name returns the kind of enum attributes named name. May raise UnknownAttribute.

val create_enum_attr : llcontext -> string -> int64 -> llattribute

create_enum_attr context value kind creates an enum attribute with the supplied kind and value in context; if the value is not required (as for the majority of attributes), use 0L. May raise UnknownAttribute. See the constructor llvm::Attribute::get.

val create_string_attr : llcontext -> string -> string -> llattribute

create_string_attr context kind value creates a string attribute with the supplied kind and value in context. See the constructor llvm::Attribute::get.

val attr_of_repr : llcontext -> AttrRepr.t -> llattribute

attr_of_repr context repr creates an attribute with the supplied representation repr in context.

val repr_of_attr : llattribute -> AttrRepr.t

repr_of_attr attr describes the representation of attribute attr.

Modules
val create_module : llcontext -> string -> llmodule

create_module context id creates a module with the supplied module ID in the context context. Modules are not garbage collected; it is mandatory to call dispose_module to free memory. See the constructor llvm::Module::Module.

val dispose_module : llmodule -> unit

dispose_module m destroys a module m and all of the IR objects it contained. All references to subordinate objects are invalidated; referencing them will invoke undefined behavior. See the destructor llvm::Module::~Module.

val target_triple : llmodule -> string

target_triple m is the target specifier for the module m, something like i686-apple-darwin8. See the method llvm::Module::getTargetTriple.

val set_target_triple : string -> llmodule -> unit

target_triple triple m changes the target specifier for the module m to the string triple. See the method llvm::Module::setTargetTriple.

val data_layout : llmodule -> string

data_layout m is the data layout specifier for the module m, something like e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-...-a0:0:64-f80:128:128. See the method llvm::Module::getDataLayout.

val set_data_layout : string -> llmodule -> unit

set_data_layout s m changes the data layout specifier for the module m to the string s. See the method llvm::Module::setDataLayout.

val dump_module : llmodule -> unit

dump_module m prints the .ll representation of the module m to standard error. See the method llvm::Module::dump.

val print_module : string -> llmodule -> unit

print_module f m prints the .ll representation of the module m to file f. See the method llvm::Module::print.

val string_of_llmodule : llmodule -> string

string_of_llmodule m returns the .ll representation of the module m as a string. See the method llvm::Module::print.

val set_module_inline_asm : llmodule -> string -> unit

set_module_inline_asm m asm sets the inline assembler for the module. See the method llvm::Module::setModuleInlineAsm.

val module_context : llmodule -> llcontext

module_context m returns the context of the specified module. See the method llvm::Module::getContext

val get_module_identifier : llmodule -> string

get_module_identifier m returns the module identifier of the specified module. See the method llvm::Module::getModuleIdentifier

val set_module_identifer : llmodule -> string -> unit

set_module_identifier m id sets the module identifier of m to id. See the method llvm::Module::setModuleIdentifier

val get_module_flag : llmodule -> string -> llmetadata option

get_module_flag m k Return the corresponding value if key k appears in the module flags of m, otherwise return None See the method llvm::Module::getModuleFlag

val add_module_flag : llmodule -> ModuleFlagBehavior.t -> string -> llmetadata -> unit

add_module_flag m b k v Add a module-level flag b, with key k and value v to the flags metadata of module m. It will create the module-level flags named metadata if it doesn't already exist.

Types

val classify_type : lltype -> TypeKind.t

classify_type ty returns the TypeKind.t corresponding to the type ty. See the method llvm::Type::getTypeID.

val type_is_sized : lltype -> bool

type_is_sized ty returns whether the type has a size or not. If it doesn't then it is not safe to call the DataLayout:: methods on it.

val type_context : lltype -> llcontext

type_context ty returns the llcontext corresponding to the type ty. See the method llvm::Type::getContext.

val dump_type : lltype -> unit

dump_type ty prints the .ll representation of the type ty to standard error. See the method llvm::Type::dump.

val string_of_lltype : lltype -> string

string_of_lltype ty returns a string describing the type ty.

Operations on integer types
val i1_type : llcontext -> lltype

i1_type c returns an integer type of bitwidth 1 in the context c. See llvm::Type::Int1Ty.

val i8_type : llcontext -> lltype

i8_type c returns an integer type of bitwidth 8 in the context c. See llvm::Type::Int8Ty.

val i16_type : llcontext -> lltype

i16_type c returns an integer type of bitwidth 16 in the context c. See llvm::Type::Int16Ty.

val i32_type : llcontext -> lltype

i32_type c returns an integer type of bitwidth 32 in the context c. See llvm::Type::Int32Ty.

val i64_type : llcontext -> lltype

i64_type c returns an integer type of bitwidth 64 in the context c. See llvm::Type::Int64Ty.

val integer_type : llcontext -> int -> lltype

integer_type c n returns an integer type of bitwidth n in the context c. See the method llvm::IntegerType::get.

val integer_bitwidth : lltype -> int

integer_bitwidth c ty returns the number of bits in the integer type ty in the context c. See the method llvm::IntegerType::getBitWidth.

Operations on real types
val float_type : llcontext -> lltype

float_type c returns the IEEE 32-bit floating point type in the context c. See llvm::Type::FloatTy.

val double_type : llcontext -> lltype

double_type c returns the IEEE 64-bit floating point type in the context c. See llvm::Type::DoubleTy.

val x86fp80_type : llcontext -> lltype

x86fp80_type c returns the x87 80-bit floating point type in the context c. See llvm::Type::X86_FP80Ty.

val fp128_type : llcontext -> lltype

fp128_type c returns the IEEE 128-bit floating point type in the context c. See llvm::Type::FP128Ty.

val ppc_fp128_type : llcontext -> lltype

ppc_fp128_type c returns the PowerPC 128-bit floating point type in the context c. See llvm::Type::PPC_FP128Ty.

Operations on function types
val function_type : lltype -> lltype array -> lltype

function_type ret_ty param_tys returns the function type returning ret_ty and taking param_tys as parameters. See the method llvm::FunctionType::get.

val var_arg_function_type : lltype -> lltype array -> lltype

var_arg_function_type ret_ty param_tys is just like function_type ret_ty param_tys except that it returns the function type which also takes a variable number of arguments. See the method llvm::FunctionType::get.

val is_var_arg : lltype -> bool

is_var_arg fty returns true if fty is a varargs function type, false otherwise. See the method llvm::FunctionType::isVarArg.

val return_type : lltype -> lltype

return_type fty gets the return type of the function type fty. See the method llvm::FunctionType::getReturnType.

val param_types : lltype -> lltype array

param_types fty gets the parameter types of the function type fty. See the method llvm::FunctionType::getParamType.

Operations on struct types
val struct_type : llcontext -> lltype array -> lltype

struct_type context tys returns the structure type in the context context containing in the types in the array tys. See the method llvm::StructType::get.

val packed_struct_type : llcontext -> lltype array -> lltype

packed_struct_type context ys returns the packed structure type in the context context containing in the types in the array tys. See the method llvm::StructType::get.

val struct_name : lltype -> string option

struct_name ty returns the name of the named structure type ty, or None if the structure type is not named

val named_struct_type : llcontext -> string -> lltype

named_struct_type context name returns the named structure type name in the context context. See the method llvm::StructType::get.

val struct_set_body : lltype -> lltype array -> bool -> unit

struct_set_body ty elts ispacked sets the body of the named struct ty to the elts elements. See the moethd llvm::StructType::setBody.

val struct_element_types : lltype -> lltype array

struct_element_types sty returns the constituent types of the struct type sty. See the method llvm::StructType::getElementType.

val is_packed : lltype -> bool

is_packed sty returns true if the structure type sty is packed, false otherwise. See the method llvm::StructType::isPacked.

val is_opaque : lltype -> bool

is_opaque sty returns true if the structure type sty is opaque. false otherwise. See the method llvm::StructType::isOpaque.

val is_literal : lltype -> bool

is_literal sty returns true if the structure type sty is literal. false otherwise. See the method llvm::StructType::isLiteral.

Operations on pointer, vector, and array types
val subtypes : lltype -> lltype array

subtypes ty returns ty's subtypes

val array_type : lltype -> int -> lltype

array_type ty n returns the array type containing n elements of type ty. See the method llvm::ArrayType::get.

val pointer_type : lltype -> lltype

pointer_type ty returns the pointer type referencing objects of type ty in the default address space (0). See the method llvm::PointerType::getUnqual.

  • deprecated pointer_type is deprecated in LLVM 15, use pointer_type2 that constructs an opaque pointer. In LLVM 16, pointer_type is an alias for pointer_type2.
val pointer_type2 : llcontext -> lltype

pointer_type2 c returns the opaque pointer type in the default address space (0) in context c. See the method llvm::PointerType::getUnqual.

val qualified_pointer_type : lltype -> int -> lltype

qualified_pointer_type ty a returns the pointer type referencing objects of type ty in address space a. See the method llvm::PointerType::get.

  • deprecated qualified_pointer_type is deprecated in LLVM 15, use qualified_pointer_type2 that constructs an opaque pointer. In LLVM 16, qualified_pointer_type is an alias for qualified_pointer_type2.
val qualified_pointer_type2 : llcontext -> int -> lltype

qualified_pointer_type2 c a returns the opaque pointer type in address space a in context c. See the method llvm::PointerType::get.

val vector_type : lltype -> int -> lltype

vector_type ty n returns the array type containing n elements of the primitive type ty. See the method llvm::ArrayType::get.

val element_type : lltype -> lltype

element_type ty returns the element type of the pointer, vector, or array type ty. See the method llvm::SequentialType::get.

val array_length : lltype -> int

element_type aty returns the element count of the array type aty. See the method llvm::ArrayType::getNumElements.

val address_space : lltype -> int

address_space pty returns the address space qualifier of the pointer type pty. See the method llvm::PointerType::getAddressSpace.

val vector_size : lltype -> int

element_type ty returns the element count of the vector type ty. See the method llvm::VectorType::getNumElements.

Operations on other types
val void_type : llcontext -> lltype

void_type c creates a type of a function which does not return any value in the context c. See llvm::Type::VoidTy.

val label_type : llcontext -> lltype

label_type c creates a type of a basic block in the context c. See llvm::Type::LabelTy.

val x86_mmx_type : llcontext -> lltype

x86_mmx_type c returns the x86 64-bit MMX register type in the context c. See llvm::Type::X86_MMXTy.

val type_by_name : llmodule -> string -> lltype option

type_by_name m name returns the specified type from the current module if it exists. See the method llvm::Module::getTypeByName

Values
val type_of : llvalue -> lltype

type_of v returns the type of the value v. See the method llvm::Value::getType.

val classify_value : llvalue -> ValueKind.t

classify_value v returns the kind of the value v.

val value_name : llvalue -> string

value_name v returns the name of the value v. For global values, this is the symbol name. For instructions and basic blocks, it is the SSA register name. It is meaningless for constants. See the method llvm::Value::getName.

val set_value_name : string -> llvalue -> unit

set_value_name n v sets the name of the value v to n. See the method llvm::Value::setName.

val dump_value : llvalue -> unit

dump_value v prints the .ll representation of the value v to standard error. See the method llvm::Value::dump.

val string_of_llvalue : llvalue -> string

string_of_llvalue v returns a string describing the value v.

val replace_all_uses_with : llvalue -> llvalue -> unit

replace_all_uses_with old new replaces all uses of the value old with the value new. See the method llvm::Value::replaceAllUsesWith.

Uses
val use_begin : llvalue -> lluse option

use_begin v returns the first position in the use list for the value v. use_begin and use_succ can e used to iterate over the use list in order. See the method llvm::Value::use_begin.

val use_succ : lluse -> lluse option

use_succ u returns the use list position succeeding u. See the method llvm::use_value_iterator::operator++.

val user : lluse -> llvalue

user u returns the user of the use u. See the method llvm::Use::getUser.

val used_value : lluse -> llvalue

used_value u returns the usee of the use u. See the method llvm::Use::getUsedValue.

val iter_uses : (lluse -> unit) -> llvalue -> unit

iter_uses f v applies function f to each of the users of the value v in order. Tail recursive.

val fold_left_uses : ('a -> lluse -> 'a) -> 'a -> llvalue -> 'a

fold_left_uses f init v is f (... (f init u1) ...) uN where u1,...,uN are the users of the value v. Tail recursive.

val fold_right_uses : (lluse -> 'a -> 'a) -> llvalue -> 'a -> 'a

fold_right_uses f v init is f u1 (... (f uN init) ...) where u1,...,uN are the users of the value v. Not tail recursive.

Users
val operand : llvalue -> int -> llvalue

operand v i returns the operand at index i for the value v. See the method llvm::User::getOperand.

val operand_use : llvalue -> int -> lluse

operand_use v i returns the use of the operand at index i for the value v. See the method llvm::User::getOperandUse.

val set_operand : llvalue -> int -> llvalue -> unit

set_operand v i o sets the operand of the value v at the index i to the value o. See the method llvm::User::setOperand.

val num_operands : llvalue -> int

num_operands v returns the number of operands for the value v. See the method llvm::User::getNumOperands.

val indices : llvalue -> int array

indices i returns the indices for the ExtractValue or InsertValue instruction i. See the llvm::getIndices methods.

Operations on constants of (mostly) any type
val is_constant : llvalue -> bool

is_constant v returns true if the value v is a constant, false otherwise. Similar to llvm::isa<Constant>.

val const_null : lltype -> llvalue

const_null ty returns the constant null (zero) of the type ty. See the method llvm::Constant::getNullValue.

val const_all_ones : lltype -> llvalue

const_all_ones ty returns the constant '-1' of the integer or vector type ty. See the method llvm::Constant::getAllOnesValue.

val const_pointer_null : lltype -> llvalue

const_pointer_null ty returns the constant null (zero) pointer of the type ty. See the method llvm::ConstantPointerNull::get.

val undef : lltype -> llvalue

undef ty returns the undefined value of the type ty. See the method llvm::UndefValue::get.

val poison : lltype -> llvalue

poison ty returns the poison value of the type ty. See the method llvm::PoisonValue::get.

val is_null : llvalue -> bool

is_null v returns true if the value v is the null (zero) value. See the method llvm::Constant::isNullValue.

val is_undef : llvalue -> bool

is_undef v returns true if the value v is an undefined value, false otherwise. Similar to llvm::isa<UndefValue>.

val is_poison : llvalue -> bool

is_poison v returns true if the value v is a poison value, false otherwise. Similar to llvm::isa<PoisonValue>.

val constexpr_opcode : llvalue -> Opcode.t

constexpr_opcode v returns an Opcode.t corresponding to constexpr value v, or Opcode.Invalid if v is not a constexpr.

Operations on instructions
val has_metadata : llvalue -> bool

has_metadata i returns whether or not the instruction i has any metadata attached to it. See the function llvm::Instruction::hasMetadata.

val metadata : llvalue -> llmdkind -> llvalue option

metadata i kind optionally returns the metadata associated with the kind kind in the instruction i See the function llvm::Instruction::getMetadata.

val set_metadata : llvalue -> llmdkind -> llvalue -> unit

set_metadata i kind md sets the metadata md of kind kind in the instruction i. See the function llvm::Instruction::setMetadata.

val clear_metadata : llvalue -> llmdkind -> unit

clear_metadata i kind clears the metadata of kind kind in the instruction i. See the function llvm::Instruction::setMetadata.

Operations on metadata
val mdstring : llcontext -> string -> llvalue

mdstring c s returns the MDString of the string s in the context c. See the method llvm::MDNode::get.

val mdnode : llcontext -> llvalue array -> llvalue

mdnode c elts returns the MDNode containing the values elts in the context c. See the method llvm::MDNode::get.

val mdnull : llcontext -> llvalue

mdnull c returns a null MDNode in context c.

val get_mdstring : llvalue -> string option

get_mdstring v returns the MDString. See the method llvm::MDString::getString

val get_mdnode_operands : llvalue -> llvalue array

get_mdnode_operands v returns the operands in the MDNode.

val get_named_metadata : llmodule -> string -> llvalue array

get_named_metadata m name returns all the MDNodes belonging to the named metadata (if any). See the method llvm::NamedMDNode::getOperand.

val add_named_metadata_operand : llmodule -> string -> llvalue -> unit

add_named_metadata_operand m name v adds v as the last operand of metadata named name in module m. If the metadata does not exist, it is created. See the methods llvm::Module::getNamedMetadata() and llvm::MDNode::addOperand().

val value_as_metadata : llvalue -> llmetadata

Obtain a Metadata as a Value. See the method llvm::ValueAsMetadata::get().

val metadata_as_value : llcontext -> llmetadata -> llvalue

Obtain a Value as a Metadata. See the method llvm::MetadataAsValue::get().

Operations on scalar constants
val const_int : lltype -> int -> llvalue

const_int ty i returns the integer constant of type ty and value i. See the method llvm::ConstantInt::get.

val const_of_int64 : lltype -> Int64.t -> bool -> llvalue

const_of_int64 ty i s returns the integer constant of type ty and value i. s indicates whether the integer is signed or not. See the method llvm::ConstantInt::get.

val int64_of_const : llvalue -> Int64.t option

int64_of_const c returns the int64 value of the c constant integer. None is returned if this is not an integer constant, or bitwidth exceeds 64. See the method llvm::ConstantInt::getSExtValue.

val const_int_of_string : lltype -> string -> int -> llvalue

const_int_of_string ty s r returns the integer constant of type ty and value s, with the radix r. See the method llvm::ConstantInt::get.

val const_float : lltype -> float -> llvalue

const_float ty n returns the floating point constant of type ty and value n. See the method llvm::ConstantFP::get.

val float_of_const : llvalue -> float option

float_of_const c returns the float value of the c constant float. None is returned if this is not an float constant. See the method llvm::ConstantFP::getDoubleValue.

val const_float_of_string : lltype -> string -> llvalue

const_float_of_string ty s returns the floating point constant of type ty and value n. See the method llvm::ConstantFP::get.

Operations on composite constants
val const_string : llcontext -> string -> llvalue

const_string c s returns the constant i8 array with the values of the characters in the string s in the context c. The array is not null-terminated (but see const_stringz). This value can in turn be used as the initializer for a global variable. See the method llvm::ConstantArray::get.

val const_stringz : llcontext -> string -> llvalue

const_stringz c s returns the constant i8 array with the values of the characters in the string s and a null terminator in the context c. This value can in turn be used as the initializer for a global variable. See the method llvm::ConstantArray::get.

val const_array : lltype -> llvalue array -> llvalue

const_array ty elts returns the constant array of type array_type ty (Array.length elts) and containing the values elts. This value can in turn be used as the initializer for a global variable. See the method llvm::ConstantArray::get.

val const_struct : llcontext -> llvalue array -> llvalue

const_struct context elts returns the structured constant of type struct_type (Array.map type_of elts) and containing the values elts in the context context. This value can in turn be used as the initializer for a global variable. See the method llvm::ConstantStruct::getAnon.

val const_named_struct : lltype -> llvalue array -> llvalue

const_named_struct namedty elts returns the structured constant of type namedty (which must be a named structure type) and containing the values elts. This value can in turn be used as the initializer for a global variable. See the method llvm::ConstantStruct::get.

val const_packed_struct : llcontext -> llvalue array -> llvalue

const_packed_struct context elts returns the structured constant of type packed_struct_type (Array.map type_of elts) and containing the values elts in the context context. This value can in turn be used as the initializer for a global variable. See the method llvm::ConstantStruct::get.

val const_vector : llvalue array -> llvalue

const_vector elts returns the vector constant of type vector_type (type_of elts.(0)) (Array.length elts) and containing the values elts. See the method llvm::ConstantVector::get.

val string_of_const : llvalue -> string option

string_of_const c returns Some str if c is a string constant, or None if this is not a string constant.

val const_element : llvalue -> int -> llvalue

const_element c returns a constant for a specified index's element. See the method ConstantDataSequential::getElementAsConstant.

Constant expressions
val align_of : lltype -> llvalue

align_of ty returns the alignof constant for the type ty. This is equivalent to const_ptrtoint (const_gep (const_null (pointer_type {i8,ty})) (const_int i32_type 0) (const_int i32_type 1)) i32_type, but considerably more readable. See the method llvm::ConstantExpr::getAlignOf.

val size_of : lltype -> llvalue

size_of ty returns the sizeof constant for the type ty. This is equivalent to const_ptrtoint (const_gep (const_null (pointer_type ty)) (const_int i32_type 1)) i64_type, but considerably more readable. See the method llvm::ConstantExpr::getSizeOf.

val const_neg : llvalue -> llvalue

const_neg c returns the arithmetic negation of the constant c. See the method llvm::ConstantExpr::getNeg.

val const_nsw_neg : llvalue -> llvalue

const_nsw_neg c returns the arithmetic negation of the constant c with no signed wrapping. The result is undefined if the negation overflows. See the method llvm::ConstantExpr::getNSWNeg.

val const_nuw_neg : llvalue -> llvalue

const_nuw_neg c returns the arithmetic negation of the constant c with no unsigned wrapping. The result is undefined if the negation overflows. See the method llvm::ConstantExpr::getNUWNeg.

val const_fneg : llvalue -> llvalue

const_fneg c returns the arithmetic negation of the constant float c. See the method llvm::ConstantExpr::getFNeg.

val const_not : llvalue -> llvalue

const_not c returns the bitwise inverse of the constant c. See the method llvm::ConstantExpr::getNot.

val const_add : llvalue -> llvalue -> llvalue

const_add c1 c2 returns the constant sum of two constants. See the method llvm::ConstantExpr::getAdd.

val const_nsw_add : llvalue -> llvalue -> llvalue

const_nsw_add c1 c2 returns the constant sum of two constants with no signed wrapping. The result is undefined if the sum overflows. See the method llvm::ConstantExpr::getNSWAdd.

val const_nuw_add : llvalue -> llvalue -> llvalue

const_nuw_add c1 c2 returns the constant sum of two constants with no unsigned wrapping. The result is undefined if the sum overflows. See the method llvm::ConstantExpr::getNSWAdd.

val const_sub : llvalue -> llvalue -> llvalue

const_sub c1 c2 returns the constant difference, c1 - c2, of two constants. See the method llvm::ConstantExpr::getSub.

val const_nsw_sub : llvalue -> llvalue -> llvalue

const_nsw_sub c1 c2 returns the constant difference of two constants with no signed wrapping. The result is undefined if the sum overflows. See the method llvm::ConstantExpr::getNSWSub.

val const_nuw_sub : llvalue -> llvalue -> llvalue

const_nuw_sub c1 c2 returns the constant difference of two constants with no unsigned wrapping. The result is undefined if the sum overflows. See the method llvm::ConstantExpr::getNSWSub.

val const_mul : llvalue -> llvalue -> llvalue

const_mul c1 c2 returns the constant product of two constants. See the method llvm::ConstantExpr::getMul.

val const_nsw_mul : llvalue -> llvalue -> llvalue

const_nsw_mul c1 c2 returns the constant product of two constants with no signed wrapping. The result is undefined if the sum overflows. See the method llvm::ConstantExpr::getNSWMul.

val const_nuw_mul : llvalue -> llvalue -> llvalue

const_nuw_mul c1 c2 returns the constant product of two constants with no unsigned wrapping. The result is undefined if the sum overflows. See the method llvm::ConstantExpr::getNSWMul.

val const_and : llvalue -> llvalue -> llvalue

const_and c1 c2 returns the constant bitwise AND of two integer constants. See the method llvm::ConstantExpr::getAnd.

val const_or : llvalue -> llvalue -> llvalue

const_or c1 c2 returns the constant bitwise OR of two integer constants. See the method llvm::ConstantExpr::getOr.

val const_xor : llvalue -> llvalue -> llvalue

const_xor c1 c2 returns the constant bitwise XOR of two integer constants. See the method llvm::ConstantExpr::getXor.

val const_icmp : Icmp.t -> llvalue -> llvalue -> llvalue

const_icmp pred c1 c2 returns the constant comparison of two integer constants, c1 pred c2. See the method llvm::ConstantExpr::getICmp.

val const_fcmp : Fcmp.t -> llvalue -> llvalue -> llvalue

const_fcmp pred c1 c2 returns the constant comparison of two floating point constants, c1 pred c2. See the method llvm::ConstantExpr::getFCmp.

val const_shl : llvalue -> llvalue -> llvalue

const_shl c1 c2 returns the constant integer c1 left-shifted by the constant integer c2. See the method llvm::ConstantExpr::getShl.

val const_lshr : llvalue -> llvalue -> llvalue

const_lshr c1 c2 returns the constant integer c1 right-shifted by the constant integer c2 with zero extension. See the method llvm::ConstantExpr::getLShr.

val const_ashr : llvalue -> llvalue -> llvalue

const_ashr c1 c2 returns the constant integer c1 right-shifted by the constant integer c2 with sign extension. See the method llvm::ConstantExpr::getAShr.

val const_gep : llvalue -> llvalue array -> llvalue

const_gep pc indices returns the constant getElementPtr of pc with the constant integers indices from the array indices. See the method llvm::ConstantExpr::getGetElementPtr.

  • deprecated const_gep is deprecated in LLVM 15, use const_gep2 that takes an additional lltype argument instead. In LLVM 16, const_gep is an alias for const_gep2.
val const_gep2 : lltype -> llvalue -> llvalue array -> llvalue

const_gep2 srcty pc indices returns the constant getElementPtr of pc with source element type srcty and the constant integers indices from the array indices. See the method llvm::ConstantExpr::getGetElementPtr.

val const_in_bounds_gep : llvalue -> llvalue array -> llvalue

const_in_bounds_gep pc indices returns the constant getElementPtr of pc with the constant integers indices from the array indices. See the method llvm::ConstantExpr::getInBoundsGetElementPtr.

  • deprecated const_in_bounds_gep is deprecated in LLVM 15, use const_in_bounds_gep2 that takes an additional lltype argument instead. In LLVM 16, const_in_bounds_gep is an alias for const_in_bounds_gep2.
val const_in_bounds_gep2 : lltype -> llvalue -> llvalue array -> llvalue

const_in_bounds_gep2 ty pc indices returns the constant getElementPtr of pc with the constant integers indices from the array indices. See the method llvm::ConstantExpr::getInBoundsGetElementPtr.

val const_trunc : llvalue -> lltype -> llvalue

const_trunc c ty returns the constant truncation of integer constant c to the smaller integer type ty. See the method llvm::ConstantExpr::getTrunc.

val const_sext : llvalue -> lltype -> llvalue

const_sext c ty returns the constant sign extension of integer constant c to the larger integer type ty. See the method llvm::ConstantExpr::getSExt.

val const_zext : llvalue -> lltype -> llvalue

const_zext c ty returns the constant zero extension of integer constant c to the larger integer type ty. See the method llvm::ConstantExpr::getZExt.

val const_fptrunc : llvalue -> lltype -> llvalue

const_fptrunc c ty returns the constant truncation of floating point constant c to the smaller floating point type ty. See the method llvm::ConstantExpr::getFPTrunc.

val const_fpext : llvalue -> lltype -> llvalue

const_fpext c ty returns the constant extension of floating point constant c to the larger floating point type ty. See the method llvm::ConstantExpr::getFPExt.

val const_uitofp : llvalue -> lltype -> llvalue

const_uitofp c ty returns the constant floating point conversion of unsigned integer constant c to the floating point type ty. See the method llvm::ConstantExpr::getUIToFP.

val const_sitofp : llvalue -> lltype -> llvalue

const_sitofp c ty returns the constant floating point conversion of signed integer constant c to the floating point type ty. See the method llvm::ConstantExpr::getSIToFP.

val const_fptoui : llvalue -> lltype -> llvalue

const_fptoui c ty returns the constant unsigned integer conversion of floating point constant c to integer type ty. See the method llvm::ConstantExpr::getFPToUI.

val const_fptosi : llvalue -> lltype -> llvalue

const_fptoui c ty returns the constant unsigned integer conversion of floating point constant c to integer type ty. See the method llvm::ConstantExpr::getFPToSI.

val const_ptrtoint : llvalue -> lltype -> llvalue

const_ptrtoint c ty returns the constant integer conversion of pointer constant c to integer type ty. See the method llvm::ConstantExpr::getPtrToInt.

val const_inttoptr : llvalue -> lltype -> llvalue

const_inttoptr c ty returns the constant pointer conversion of integer constant c to pointer type ty. See the method llvm::ConstantExpr::getIntToPtr.

val const_bitcast : llvalue -> lltype -> llvalue

const_bitcast c ty returns the constant bitwise conversion of constant c to type ty of equal size. See the method llvm::ConstantExpr::getBitCast.

val const_zext_or_bitcast : llvalue -> lltype -> llvalue

const_zext_or_bitcast c ty returns a constant zext or bitwise cast conversion of constant c to type ty. See the method llvm::ConstantExpr::getZExtOrBitCast.

val const_sext_or_bitcast : llvalue -> lltype -> llvalue

const_sext_or_bitcast c ty returns a constant sext or bitwise cast conversion of constant c to type ty. See the method llvm::ConstantExpr::getSExtOrBitCast.

val const_trunc_or_bitcast : llvalue -> lltype -> llvalue

const_trunc_or_bitcast c ty returns a constant trunc or bitwise cast conversion of constant c to type ty. See the method llvm::ConstantExpr::getTruncOrBitCast.

val const_pointercast : llvalue -> lltype -> llvalue

const_pointercast c ty returns a constant bitcast or a pointer-to-int cast conversion of constant c to type ty of equal size. See the method llvm::ConstantExpr::getPointerCast.

val const_intcast : llvalue -> lltype -> is_signed:bool -> llvalue

const_intcast c ty ~is_signed returns a constant sext/zext, bitcast, or trunc for integer -> integer casts of constant c to type ty. When converting a narrower value to a wider one, whether sext or zext will be used is controlled by is_signed. See the method llvm::ConstantExpr::getIntegerCast.

val const_fpcast : llvalue -> lltype -> llvalue

const_fpcast c ty returns a constant fpext, bitcast, or fptrunc for fp -> fp casts of constant c to type ty. See the method llvm::ConstantExpr::getFPCast.

val const_select : llvalue -> llvalue -> llvalue -> llvalue

const_select cond t f returns the constant conditional which returns value t if the boolean constant cond is true and the value f otherwise. See the method llvm::ConstantExpr::getSelect.

val const_extractelement : llvalue -> llvalue -> llvalue

const_extractelement vec i returns the constant ith element of constant vector vec. i must be a constant i32 value unsigned less than the size of the vector. See the method llvm::ConstantExpr::getExtractElement.

val const_insertelement : llvalue -> llvalue -> llvalue -> llvalue

const_insertelement vec v i returns the constant vector with the same elements as constant vector v but the ith element replaced by the constant v. v must be a constant value with the type of the vector elements. i must be a constant i32 value unsigned less than the size of the vector. See the method llvm::ConstantExpr::getInsertElement.

val const_shufflevector : llvalue -> llvalue -> llvalue -> llvalue

const_shufflevector a b mask returns a constant shufflevector. See the LLVM Language Reference for details on the shufflevector instruction. See the method llvm::ConstantExpr::getShuffleVector.

val const_inline_asm : lltype -> string -> string -> bool -> bool -> llvalue

const_inline_asm ty asm con side align inserts a inline assembly string. See the method llvm::InlineAsm::get.

val block_address : llvalue -> llbasicblock -> llvalue

block_address f bb returns the address of the basic block bb in the function f. See the method llvm::BasicBlock::get.

Operations on global variables, functions, and aliases (globals)
val global_parent : llvalue -> llmodule

global_parent g is the enclosing module of the global value g. See the method llvm::GlobalValue::getParent.

val is_declaration : llvalue -> bool

is_declaration g returns true if the global value g is a declaration only. Returns false otherwise. See the method llvm::GlobalValue::isDeclaration.

val linkage : llvalue -> Linkage.t

linkage g returns the linkage of the global value g. See the method llvm::GlobalValue::getLinkage.

val set_linkage : Linkage.t -> llvalue -> unit

set_linkage l g sets the linkage of the global value g to l. See the method llvm::GlobalValue::setLinkage.

val unnamed_addr : llvalue -> bool

unnamed_addr g returns true if the global value g has the unnamed_addr attribute. Returns false otherwise. See the method llvm::GlobalValue::getUnnamedAddr.

val set_unnamed_addr : bool -> llvalue -> unit

set_unnamed_addr b g if b is true, sets the unnamed_addr attribute of the global value g. Unset it otherwise. See the method llvm::GlobalValue::setUnnamedAddr.

val section : llvalue -> string

section g returns the linker section of the global value g. See the method llvm::GlobalValue::getSection.

val set_section : string -> llvalue -> unit

set_section s g sets the linker section of the global value g to s. See the method llvm::GlobalValue::setSection.

val visibility : llvalue -> Visibility.t

visibility g returns the linker visibility of the global value g. See the method llvm::GlobalValue::getVisibility.

val set_visibility : Visibility.t -> llvalue -> unit

set_visibility v g sets the linker visibility of the global value g to v. See the method llvm::GlobalValue::setVisibility.

val dll_storage_class : llvalue -> DLLStorageClass.t

dll_storage_class g returns the DLL storage class of the global value g. See the method llvm::GlobalValue::getDLLStorageClass.

val set_dll_storage_class : DLLStorageClass.t -> llvalue -> unit

set_dll_storage_class v g sets the DLL storage class of the global value g to v. See the method llvm::GlobalValue::setDLLStorageClass.

val alignment : llvalue -> int

alignment g returns the required alignment of the global value g. See the method llvm::GlobalValue::getAlignment.

val set_alignment : int -> llvalue -> unit

set_alignment n g sets the required alignment of the global value g to n bytes. See the method llvm::GlobalValue::setAlignment.

val global_copy_all_metadata : llvalue -> (llmdkind * llmetadata) array

global_copy_all_metadata g returns all the metadata associated with g, which must be an Instruction or GlobalObject. See the llvm::Instruction::getAllMetadata() and llvm::GlobalObject::getAllMetadata() methods.

Operations on global variables
val declare_global : lltype -> string -> llmodule -> llvalue

declare_global ty name m returns a new global variable of type ty and with name name in module m in the default address space (0). If such a global variable already exists, it is returned. If the type of the existing global differs, then a bitcast to ty is returned.

val declare_qualified_global : lltype -> string -> int -> llmodule -> llvalue

declare_qualified_global ty name addrspace m returns a new global variable of type ty and with name name in module m in the address space addrspace. If such a global variable already exists, it is returned. If the type of the existing global differs, then a bitcast to ty is returned.

val define_global : string -> llvalue -> llmodule -> llvalue

define_global name init m returns a new global with name name and initializer init in module m in the default address space (0). If the named global already exists, it is renamed. See the constructor of llvm::GlobalVariable.

val define_qualified_global : string -> llvalue -> int -> llmodule -> llvalue

define_qualified_global name init addrspace m returns a new global with name name and initializer init in module m in the address space addrspace. If the named global already exists, it is renamed. See the constructor of llvm::GlobalVariable.

val lookup_global : string -> llmodule -> llvalue option

lookup_global name m returns Some g if a global variable with name name exists in module m. If no such global exists, returns None. See the llvm::GlobalVariable constructor.

val delete_global : llvalue -> unit

delete_global gv destroys the global variable gv. See the method llvm::GlobalVariable::eraseFromParent.

val global_begin : llmodule -> (llmodule, llvalue) llpos

global_begin m returns the first position in the global variable list of the module m. global_begin and global_succ can be used to iterate over the global list in order. See the method llvm::Module::global_begin.

val global_succ : llvalue -> (llmodule, llvalue) llpos

global_succ gv returns the global variable list position succeeding Before gv. See the method llvm::Module::global_iterator::operator++.

val iter_globals : (llvalue -> unit) -> llmodule -> unit

iter_globals f m applies function f to each of the global variables of module m in order. Tail recursive.

val fold_left_globals : ('a -> llvalue -> 'a) -> 'a -> llmodule -> 'a

fold_left_globals f init m is f (... (f init g1) ...) gN where g1,...,gN are the global variables of module m. Tail recursive.

val global_end : llmodule -> (llmodule, llvalue) llrev_pos

global_end m returns the last position in the global variable list of the module m. global_end and global_pred can be used to iterate over the global list in reverse. See the method llvm::Module::global_end.

val global_pred : llvalue -> (llmodule, llvalue) llrev_pos

global_pred gv returns the global variable list position preceding After gv. See the method llvm::Module::global_iterator::operator--.

val rev_iter_globals : (llvalue -> unit) -> llmodule -> unit

rev_iter_globals f m applies function f to each of the global variables of module m in reverse order. Tail recursive.

val fold_right_globals : (llvalue -> 'a -> 'a) -> llmodule -> 'a -> 'a

fold_right_globals f m init is f g1 (... (f gN init) ...) where g1,...,gN are the global variables of module m. Tail recursive.

val is_global_constant : llvalue -> bool

is_global_constant gv returns true if the global variabile gv is a constant. Returns false otherwise. See the method llvm::GlobalVariable::isConstant.

val set_global_constant : bool -> llvalue -> unit

set_global_constant c gv sets the global variable gv to be a constant if c is true and not if c is false. See the method llvm::GlobalVariable::setConstant.

val global_initializer : llvalue -> llvalue option

global_initializer gv If global variable gv has an initializer it is returned, otherwise returns None. See the method llvm::GlobalVariable::getInitializer.

val set_initializer : llvalue -> llvalue -> unit

set_initializer c gv sets the initializer for the global variable gv to the constant c. See the method llvm::GlobalVariable::setInitializer.

val remove_initializer : llvalue -> unit

remove_initializer gv unsets the initializer for the global variable gv. See the method llvm::GlobalVariable::setInitializer.

val is_thread_local : llvalue -> bool

is_thread_local gv returns true if the global variable gv is thread-local and false otherwise. See the method llvm::GlobalVariable::isThreadLocal.

val set_thread_local : bool -> llvalue -> unit

set_thread_local c gv sets the global variable gv to be thread local if c is true and not otherwise. See the method llvm::GlobalVariable::setThreadLocal.

val thread_local_mode : llvalue -> ThreadLocalMode.t

is_thread_local gv returns the thread local mode of the global variable gv. See the method llvm::GlobalVariable::getThreadLocalMode.

val set_thread_local_mode : ThreadLocalMode.t -> llvalue -> unit

set_thread_local c gv sets the thread local mode of the global variable gv. See the method llvm::GlobalVariable::setThreadLocalMode.

val is_externally_initialized : llvalue -> bool

is_externally_initialized gv returns true if the global variable gv is externally initialized and false otherwise. See the method llvm::GlobalVariable::isExternallyInitialized.

val set_externally_initialized : bool -> llvalue -> unit

set_externally_initialized c gv sets the global variable gv to be externally initialized if c is true and not otherwise. See the method llvm::GlobalVariable::setExternallyInitialized.

Operations on aliases
val add_alias : llmodule -> lltype -> llvalue -> string -> llvalue

add_alias m t a n inserts an alias in the module m with the type t and the aliasee a with the name n. See the constructor for llvm::GlobalAlias.

  • deprecated add_alias is deprecated in LLVM 15, use add_alias2 that takes an additional lltype argument instead. In LLVM 16, add_alias is an alias for add_alias2
val add_alias2 : llmodule -> lltype -> int -> llvalue -> string -> llvalue

add_alias m vt as a n inserts an alias in the module m with the value type vt the address space as the aliasee a with the name n. See the constructor for llvm::GlobalAlias.

Operations on functions
val declare_function : string -> lltype -> llmodule -> llvalue

declare_function name ty m returns a new function of type ty and with name name in module m. If such a function already exists, it is returned. If the type of the existing function differs, then a bitcast to ty is returned.

val define_function : string -> lltype -> llmodule -> llvalue

define_function name ty m creates a new function with name name and type ty in module m. If the named function already exists, it is renamed. An entry basic block is created in the function. See the constructor of llvm::GlobalVariable.

val lookup_function : string -> llmodule -> llvalue option

lookup_function name m returns Some f if a function with name name exists in module m. If no such function exists, returns None. See the method llvm::Module constructor.

val delete_function : llvalue -> unit

delete_function f destroys the function f. See the method llvm::Function::eraseFromParent.

val function_begin : llmodule -> (llmodule, llvalue) llpos

function_begin m returns the first position in the function list of the module m. function_begin and function_succ can be used to iterate over the function list in order. See the method llvm::Module::begin.

val function_succ : llvalue -> (llmodule, llvalue) llpos

function_succ gv returns the function list position succeeding Before gv. See the method llvm::Module::iterator::operator++.

val iter_functions : (llvalue -> unit) -> llmodule -> unit

iter_functions f m applies function f to each of the functions of module m in order. Tail recursive.

val fold_left_functions : ('a -> llvalue -> 'a) -> 'a -> llmodule -> 'a

fold_left_function f init m is f (... (f init f1) ...) fN where f1,...,fN are the functions of module m. Tail recursive.

val function_end : llmodule -> (llmodule, llvalue) llrev_pos

function_end m returns the last position in the function list of the module m. function_end and function_pred can be used to iterate over the function list in reverse. See the method llvm::Module::end.

val function_pred : llvalue -> (llmodule, llvalue) llrev_pos

function_pred gv returns the function list position preceding After gv. See the method llvm::Module::iterator::operator--.

val rev_iter_functions : (llvalue -> unit) -> llmodule -> unit

rev_iter_functions f fn applies function f to each of the functions of module m in reverse order. Tail recursive.

val fold_right_functions : (llvalue -> 'a -> 'a) -> llmodule -> 'a -> 'a

fold_right_functions f m init is f (... (f init fN) ...) f1 where f1,...,fN are the functions of module m. Tail recursive.

val is_intrinsic : llvalue -> bool

is_intrinsic f returns true if the function f is an intrinsic. See the method llvm::Function::isIntrinsic.

val function_call_conv : llvalue -> int

function_call_conv f returns the calling convention of the function f. See the method llvm::Function::getCallingConv.

val set_function_call_conv : int -> llvalue -> unit

set_function_call_conv cc f sets the calling convention of the function f to the calling convention numbered cc. See the method llvm::Function::setCallingConv.

val gc : llvalue -> string option

gc f returns Some name if the function f has a garbage collection algorithm specified and None otherwise. See the method llvm::Function::getGC.

val set_gc : string option -> llvalue -> unit

set_gc gc f sets the collection algorithm for the function f to gc. See the method llvm::Function::setGC.

val add_function_attr : llvalue -> llattribute -> AttrIndex.t -> unit

add_function_attr f a i adds attribute a to the function f at position i.

val function_attrs : llvalue -> AttrIndex.t -> llattribute array

function_attrs f i returns the attributes for the function f at position i.

val remove_enum_function_attr : llvalue -> llattrkind -> AttrIndex.t -> unit

remove_enum_function_attr f k i removes enum attribute with kind k from the function f at position i.

val remove_string_function_attr : llvalue -> string -> AttrIndex.t -> unit

remove_string_function_attr f k i removes string attribute with kind k from the function f at position i.

Operations on params
val params : llvalue -> llvalue array

params f returns the parameters of function f. See the method llvm::Function::getArgumentList.

val param : llvalue -> int -> llvalue

param f n returns the nth parameter of function f. See the method llvm::Function::getArgumentList.

val param_parent : llvalue -> llvalue

param_parent p returns the parent function that owns the parameter. See the method llvm::Argument::getParent.

val param_begin : llvalue -> (llvalue, llvalue) llpos

param_begin f returns the first position in the parameter list of the function f. param_begin and param_succ can be used to iterate over the parameter list in order. See the method llvm::Function::arg_begin.

val param_succ : llvalue -> (llvalue, llvalue) llpos

param_succ bb returns the parameter list position succeeding Before bb. See the method llvm::Function::arg_iterator::operator++.

val iter_params : (llvalue -> unit) -> llvalue -> unit

iter_params f fn applies function f to each of the parameters of function fn in order. Tail recursive.

val fold_left_params : ('a -> llvalue -> 'a) -> 'a -> llvalue -> 'a

fold_left_params f init fn is f (... (f init b1) ...) bN where b1,...,bN are the parameters of function fn. Tail recursive.

val param_end : llvalue -> (llvalue, llvalue) llrev_pos

param_end f returns the last position in the parameter list of the function f. param_end and param_pred can be used to iterate over the parameter list in reverse. See the method llvm::Function::arg_end.

val param_pred : llvalue -> (llvalue, llvalue) llrev_pos

param_pred gv returns the function list position preceding After gv. See the method llvm::Function::arg_iterator::operator--.

val rev_iter_params : (llvalue -> unit) -> llvalue -> unit

rev_iter_params f fn applies function f to each of the parameters of function fn in reverse order. Tail recursive.

val fold_right_params : (llvalue -> 'a -> 'a) -> llvalue -> 'a -> 'a

fold_right_params f fn init is f (... (f init bN) ...) b1 where b1,...,bN are the parameters of function fn. Tail recursive.

Operations on basic blocks
val basic_blocks : llvalue -> llbasicblock array

basic_blocks fn returns the basic blocks of the function f. See the method llvm::Function::getBasicBlockList.

val entry_block : llvalue -> llbasicblock

entry_block fn returns the entry basic block of the function f. See the method llvm::Function::getEntryBlock.

val delete_block : llbasicblock -> unit

delete_block bb deletes the basic block bb. See the method llvm::BasicBlock::eraseFromParent.

val remove_block : llbasicblock -> unit

remove_block bb removes the basic block bb from its parent function. See the method llvm::BasicBlock::removeFromParent.

val move_block_before : llbasicblock -> llbasicblock -> unit

move_block_before pos bb moves the basic block bb before pos. See the method llvm::BasicBlock::moveBefore.

val move_block_after : llbasicblock -> llbasicblock -> unit

move_block_after pos bb moves the basic block bb after pos. See the method llvm::BasicBlock::moveAfter.

val append_block : llcontext -> string -> llvalue -> llbasicblock

append_block c name f creates a new basic block named name at the end of function f in the context c. See the constructor of llvm::BasicBlock.

val insert_block : llcontext -> string -> llbasicblock -> llbasicblock

insert_block c name bb creates a new basic block named name before the basic block bb in the context c. See the constructor of llvm::BasicBlock.

val block_parent : llbasicblock -> llvalue

block_parent bb returns the parent function that owns the basic block. See the method llvm::BasicBlock::getParent.

val block_begin : llvalue -> (llvalue, llbasicblock) llpos

block_begin f returns the first position in the basic block list of the function f. block_begin and block_succ can be used to iterate over the basic block list in order. See the method llvm::Function::begin.

val block_succ : llbasicblock -> (llvalue, llbasicblock) llpos

block_succ bb returns the basic block list position succeeding Before bb. See the method llvm::Function::iterator::operator++.

val iter_blocks : (llbasicblock -> unit) -> llvalue -> unit

iter_blocks f fn applies function f to each of the basic blocks of function fn in order. Tail recursive.

val fold_left_blocks : ('a -> llbasicblock -> 'a) -> 'a -> llvalue -> 'a

fold_left_blocks f init fn is f (... (f init b1) ...) bN where b1,...,bN are the basic blocks of function fn. Tail recursive.

val block_end : llvalue -> (llvalue, llbasicblock) llrev_pos

block_end f returns the last position in the basic block list of the function f. block_end and block_pred can be used to iterate over the basic block list in reverse. See the method llvm::Function::end.

block_pred bb returns the basic block list position preceding After bb. See the method llvm::Function::iterator::operator--.

val block_terminator : llbasicblock -> llvalue option

block_terminator bb returns the terminator of the basic block bb.

val rev_iter_blocks : (llbasicblock -> unit) -> llvalue -> unit

rev_iter_blocks f fn applies function f to each of the basic blocks of function fn in reverse order. Tail recursive.

val fold_right_blocks : (llbasicblock -> 'a -> 'a) -> llvalue -> 'a -> 'a

fold_right_blocks f fn init is f (... (f init bN) ...) b1 where b1,...,bN are the basic blocks of function fn. Tail recursive.

val value_of_block : llbasicblock -> llvalue

value_of_block bb losslessly casts bb to an llvalue.

val value_is_block : llvalue -> bool

value_is_block v returns true if the value v is a basic block and false otherwise. Similar to llvm::isa<BasicBlock>.

val block_of_value : llvalue -> llbasicblock

block_of_value v losslessly casts v to an llbasicblock.

Operations on instructions
val instr_parent : llvalue -> llbasicblock

instr_parent i is the enclosing basic block of the instruction i. See the method llvm::Instruction::getParent.

val delete_instruction : llvalue -> unit

delete_instruction i deletes the instruction i. * See the method llvm::Instruction::eraseFromParent.

val instr_begin : llbasicblock -> (llbasicblock, llvalue) llpos

instr_begin bb returns the first position in the instruction list of the basic block bb. instr_begin and instr_succ can be used to iterate over the instruction list in order. See the method llvm::BasicBlock::begin.

val instr_succ : llvalue -> (llbasicblock, llvalue) llpos

instr_succ i returns the instruction list position succeeding Before i. See the method llvm::BasicBlock::iterator::operator++.

val iter_instrs : (llvalue -> unit) -> llbasicblock -> unit

iter_instrs f bb applies function f to each of the instructions of basic block bb in order. Tail recursive.

val fold_left_instrs : ('a -> llvalue -> 'a) -> 'a -> llbasicblock -> 'a

fold_left_instrs f init bb is f (... (f init g1) ...) gN where g1,...,gN are the instructions of basic block bb. Tail recursive.

instr_end bb returns the last position in the instruction list of the basic block bb. instr_end and instr_pred can be used to iterate over the instruction list in reverse. See the method llvm::BasicBlock::end.

val instr_pred : llvalue -> (llbasicblock, llvalue) llrev_pos

instr_pred i returns the instruction list position preceding After i. See the method llvm::BasicBlock::iterator::operator--.

val fold_right_instrs : (llvalue -> 'a -> 'a) -> llbasicblock -> 'a -> 'a

fold_right_instrs f bb init is f (... (f init fN) ...) f1 where f1,...,fN are the instructions of basic block bb. Tail recursive.

val instr_opcode : llvalue -> Opcode.t

inst_opcode i returns the Opcode.t corresponding to instruction i, or Opcode.Invalid if i is not an instruction.

val icmp_predicate : llvalue -> Icmp.t option

icmp_predicate i returns the Icmp.t corresponding to an icmp instruction i.

val fcmp_predicate : llvalue -> Fcmp.t option

fcmp_predicate i returns the fcmp.t corresponding to an fcmp instruction i.

val instr_clone : llvalue -> llvalue

inst_clone i returns a copy of instruction i, The instruction has no parent, and no name. See the method llvm::Instruction::clone.

Operations on call sites
val instruction_call_conv : llvalue -> int

instruction_call_conv ci is the calling convention for the call or invoke instruction ci, which may be one of the values from the module CallConv. See the method llvm::CallInst::getCallingConv and llvm::InvokeInst::getCallingConv.

val set_instruction_call_conv : int -> llvalue -> unit

set_instruction_call_conv cc ci sets the calling convention for the call or invoke instruction ci to the integer cc, which can be one of the values from the module CallConv. See the method llvm::CallInst::setCallingConv and llvm::InvokeInst::setCallingConv.

val add_call_site_attr : llvalue -> llattribute -> AttrIndex.t -> unit

add_call_site_attr f a i adds attribute a to the call instruction ci at position i.

val call_site_attrs : llvalue -> AttrIndex.t -> llattribute array

call_site_attr f i returns the attributes for the call instruction ci at position i.

val remove_enum_call_site_attr : llvalue -> llattrkind -> AttrIndex.t -> unit

remove_enum_call_site_attr f k i removes enum attribute with kind k from the call instruction ci at position i.

val remove_string_call_site_attr : llvalue -> string -> AttrIndex.t -> unit

remove_string_call_site_attr f k i removes string attribute with kind k from the call instruction ci at position i.

Operations on call and invoke instructions (only)
val num_arg_operands : llvalue -> int

num_arg_operands ci returns the number of arguments for the call or invoke instruction ci. See the method llvm::CallInst::getNumArgOperands.

val is_tail_call : llvalue -> bool

is_tail_call ci is true if the call instruction ci is flagged as eligible for tail call optimization, false otherwise. See the method llvm::CallInst::isTailCall.

val set_tail_call : bool -> llvalue -> unit

set_tail_call tc ci flags the call instruction ci as eligible for tail call optimization if tc is true, clears otherwise. See the method llvm::CallInst::setTailCall.

val get_normal_dest : llvalue -> llbasicblock

get_normal_dest ii is the normal destination basic block of an invoke instruction. See the method llvm::InvokeInst::getNormalDest().

val get_unwind_dest : llvalue -> llbasicblock

get_unwind_dest ii is the unwind destination basic block of an invoke instruction. See the method llvm::InvokeInst::getUnwindDest().

Operations on load/store instructions (only)
val is_volatile : llvalue -> bool

is_volatile i is true if the load or store instruction i is marked as volatile. See the methods llvm::LoadInst::isVolatile and llvm::StoreInst::isVolatile.

val set_volatile : bool -> llvalue -> unit

set_volatile v i marks the load or store instruction i as volatile if v is true, unmarks otherwise. See the methods llvm::LoadInst::setVolatile and llvm::StoreInst::setVolatile.

Operations on terminators
val is_terminator : llvalue -> bool

is_terminator v returns true if the instruction v is a terminator.

val successor : llvalue -> int -> llbasicblock

successor v i returns the successor at index i for the value v. See the method llvm::Instruction::getSuccessor.

val set_successor : llvalue -> int -> llbasicblock -> unit

set_successor v i o sets the successor of the value v at the index i to the value o. See the method llvm::Instruction::setSuccessor.

val num_successors : llvalue -> int

num_successors v returns the number of successors for the value v. See the method llvm::Instruction::getNumSuccessors.

val successors : llvalue -> llbasicblock array

successors v returns the successors of v.

val iter_successors : (llbasicblock -> unit) -> llvalue -> unit

iter_successors f v applies function f to each successor v in order. Tail recursive.

val fold_successors : (llbasicblock -> 'a -> 'a) -> llvalue -> 'a -> 'a

fold_successors f v init is f (... (f init vN) ...) v1 where v1,...,vN are the successors of v. Tail recursive.

Operations on branches
val is_conditional : llvalue -> bool

is_conditional v returns true if the branch instruction v is conditional. See the method llvm::BranchInst::isConditional.

val condition : llvalue -> llvalue

condition v return the condition of the branch instruction v. See the method llvm::BranchInst::getCondition.

val set_condition : llvalue -> llvalue -> unit

set_condition v c sets the condition of the branch instruction v to the value c. See the method llvm::BranchInst::setCondition.

val get_branch : llvalue -> [ `Conditional of llvalue * llbasicblock * llbasicblock | `Unconditional of llbasicblock ] option

get_branch c returns a description of the branch instruction c.

Operations on phi nodes
val add_incoming : (llvalue * llbasicblock) -> llvalue -> unit

add_incoming (v, bb) pn adds the value v to the phi node pn for use with branches from bb. See the method llvm::PHINode::addIncoming.

val incoming : llvalue -> (llvalue * llbasicblock) list

incoming pn returns the list of value-block pairs for phi node pn. See the method llvm::PHINode::getIncomingValue.

Instruction builders
val builder : llcontext -> llbuilder

builder context creates an instruction builder with no position in the context context. It is invalid to use this builder until its position is set with position_before or position_at_end. See the constructor for llvm::LLVMBuilder.

val builder_at : llcontext -> (llbasicblock, llvalue) llpos -> llbuilder

builder_at ip creates an instruction builder positioned at ip. See the constructor for llvm::LLVMBuilder.

val builder_before : llcontext -> llvalue -> llbuilder

builder_before ins creates an instruction builder positioned before the instruction isn. See the constructor for llvm::LLVMBuilder.

val builder_at_end : llcontext -> llbasicblock -> llbuilder

builder_at_end bb creates an instruction builder positioned at the end of the basic block bb. See the constructor for llvm::LLVMBuilder.

val position_builder : (llbasicblock, llvalue) llpos -> llbuilder -> unit

position_builder ip bb moves the instruction builder bb to the position ip. See the constructor for llvm::LLVMBuilder.

val position_before : llvalue -> llbuilder -> unit

position_before ins b moves the instruction builder b to before the instruction isn. See the method llvm::LLVMBuilder::SetInsertPoint.

val position_at_end : llbasicblock -> llbuilder -> unit

position_at_end bb b moves the instruction builder b to the end of the basic block bb. See the method llvm::LLVMBuilder::SetInsertPoint.

val insertion_block : llbuilder -> llbasicblock

insertion_block b returns the basic block that the builder b is positioned to insert into. Raises Not_Found if the instruction builder is uninitialized. See the method llvm::LLVMBuilder::GetInsertBlock.

val insert_into_builder : llvalue -> string -> llbuilder -> unit

insert_into_builder i name b inserts the specified instruction i at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::Insert.

Metadata
val set_current_debug_location : llbuilder -> llvalue -> unit

set_current_debug_location b md sets the current debug location md in the builder b. See the method llvm::IRBuilder::SetDebugLocation.

val clear_current_debug_location : llbuilder -> unit

clear_current_debug_location b clears the current debug location in the builder b.

val current_debug_location : llbuilder -> llvalue option

current_debug_location b returns the current debug location, or None if none is currently set. See the method llvm::IRBuilder::GetDebugLocation.

val set_inst_debug_location : llbuilder -> llvalue -> unit

set_inst_debug_location b i sets the current debug location of the builder b to the instruction i. See the method llvm::IRBuilder::SetInstDebugLocation.

Terminators
val build_ret_void : llbuilder -> llvalue

build_ret_void b creates a ret void instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateRetVoid.

val build_ret : llvalue -> llbuilder -> llvalue

build_ret v b creates a ret %v instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateRet.

val build_aggregate_ret : llvalue array -> llbuilder -> llvalue

build_aggregate_ret vs b creates a ret {...} { %v1, %v2, ... } instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateAggregateRet.

val build_br : llbasicblock -> llbuilder -> llvalue

build_br bb b creates a br %bb instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateBr.

val build_cond_br : llvalue -> llbasicblock -> llbasicblock -> llbuilder -> llvalue

build_cond_br cond tbb fbb b creates a br %cond, %tbb, %fbb instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateCondBr.

val build_switch : llvalue -> llbasicblock -> int -> llbuilder -> llvalue

build_switch case elsebb count b creates an empty switch %case, %elsebb instruction at the position specified by the instruction builder b with space reserved for count cases. See the method llvm::LLVMBuilder::CreateSwitch.

val build_malloc : lltype -> string -> llbuilder -> llvalue

build_malloc ty name b creates an malloc instruction at the position specified by the instruction builder b. See the method llvm::CallInst::CreateMalloc.

val build_array_malloc : lltype -> llvalue -> string -> llbuilder -> llvalue

build_array_malloc ty val name b creates an array malloc instruction at the position specified by the instruction builder b. See the method llvm::CallInst::CreateArrayMalloc.

val build_free : llvalue -> llbuilder -> llvalue

build_free p b creates a free instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFree.

val add_case : llvalue -> llvalue -> llbasicblock -> unit

add_case sw onval bb causes switch instruction sw to branch to bb when its input matches the constant onval. See the method llvm::SwitchInst::addCase. *

val switch_default_dest : llvalue -> llbasicblock

switch_default_dest sw returns the default destination of the switch instruction. See the method llvm:;SwitchInst::getDefaultDest. *

val build_indirect_br : llvalue -> int -> llbuilder -> llvalue

build_indirect_br addr count b creates a indirectbr %addr instruction at the position specified by the instruction builder b with space reserved for count destinations. See the method llvm::LLVMBuilder::CreateIndirectBr.

val add_destination : llvalue -> llbasicblock -> unit

add_destination br bb adds the basic block bb as a possible branch location for the indirectbr instruction br. See the method llvm::IndirectBrInst::addDestination. *

val build_invoke : llvalue -> llvalue array -> llbasicblock -> llbasicblock -> string -> llbuilder -> llvalue

build_invoke fn args tobb unwindbb name b creates an %name = invoke %fn(args) to %tobb unwind %unwindbb instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateInvoke.

  • deprecated build_invoke is deprecated in LLVM 15, use build_invoke2 that takes an additional lltype argument instead. In LLVM 16, build_invoke is an alias for build_invoke2.
val build_invoke2 : lltype -> llvalue -> llvalue array -> llbasicblock -> llbasicblock -> string -> llbuilder -> llvalue

build_invoke2 fnty fn args tobb unwindbb name b creates an %name = invoke %fn(args) to %tobb unwind %unwindbb instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateInvoke.

val build_landingpad : lltype -> llvalue -> int -> string -> llbuilder -> llvalue

build_landingpad ty persfn numclauses name b creates an landingpad instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateLandingPad.

val is_cleanup : llvalue -> bool

is_cleanup lp returns true if landingpad instruction lp is a cleanup. See the method llvm::LandingPadInst::isCleanup.

val set_cleanup : llvalue -> bool -> unit

set_cleanup lp sets the cleanup flag in the landingpadinstruction. See the method llvm::LandingPadInst::setCleanup.

val add_clause : llvalue -> llvalue -> unit

add_clause lp clause adds the clause to the landingpadinstruction. See the method llvm::LandingPadInst::addClause.

val build_resume : llvalue -> llbuilder -> llvalue

build_resume exn b builds a resume exn instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateResume

val build_unreachable : llbuilder -> llvalue

build_unreachable b creates an unreachable instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateUnwind.

Arithmetic
val build_add : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_add x y name b creates a %name = add %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateAdd.

val build_nsw_add : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_nsw_add x y name b creates a %name = nsw add %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateNSWAdd.

val build_nuw_add : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_nuw_add x y name b creates a %name = nuw add %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateNUWAdd.

val build_fadd : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_fadd x y name b creates a %name = fadd %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFAdd.

val build_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_sub x y name b creates a %name = sub %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateSub.

val build_nsw_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_nsw_sub x y name b creates a %name = nsw sub %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateNSWSub.

val build_nuw_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_nuw_sub x y name b creates a %name = nuw sub %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateNUWSub.

val build_fsub : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_fsub x y name b creates a %name = fsub %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFSub.

val build_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_mul x y name b creates a %name = mul %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateMul.

val build_nsw_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_nsw_mul x y name b creates a %name = nsw mul %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateNSWMul.

val build_nuw_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_nuw_mul x y name b creates a %name = nuw mul %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateNUWMul.

val build_fmul : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_fmul x y name b creates a %name = fmul %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFMul.

val build_udiv : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_udiv x y name b creates a %name = udiv %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateUDiv.

val build_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_sdiv x y name b creates a %name = sdiv %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateSDiv.

val build_exact_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_exact_sdiv x y name b creates a %name = exact sdiv %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateExactSDiv.

val build_fdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_fdiv x y name b creates a %name = fdiv %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFDiv.

val build_urem : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_urem x y name b creates a %name = urem %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateURem.

val build_srem : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_SRem x y name b creates a %name = srem %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateSRem.

val build_frem : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_frem x y name b creates a %name = frem %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFRem.

val build_shl : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_shl x y name b creates a %name = shl %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateShl.

val build_lshr : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_lshr x y name b creates a %name = lshr %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateLShr.

val build_ashr : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_ashr x y name b creates a %name = ashr %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateAShr.

val build_and : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_and x y name b creates a %name = and %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateAnd.

val build_or : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_or x y name b creates a %name = or %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateOr.

val build_xor : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_xor x y name b creates a %name = xor %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateXor.

val build_neg : llvalue -> string -> llbuilder -> llvalue

build_neg x name b creates a %name = sub 0, %x instruction at the position specified by the instruction builder b. -0.0 is used for floating point types to compute the correct sign. See the method llvm::LLVMBuilder::CreateNeg.

val build_nsw_neg : llvalue -> string -> llbuilder -> llvalue

build_nsw_neg x name b creates a %name = nsw sub 0, %x instruction at the position specified by the instruction builder b. -0.0 is used for floating point types to compute the correct sign. See the method llvm::LLVMBuilder::CreateNeg.

val build_nuw_neg : llvalue -> string -> llbuilder -> llvalue

build_nuw_neg x name b creates a %name = nuw sub 0, %x instruction at the position specified by the instruction builder b. -0.0 is used for floating point types to compute the correct sign. See the method llvm::LLVMBuilder::CreateNeg.

val build_fneg : llvalue -> string -> llbuilder -> llvalue

build_fneg x name b creates a %name = fsub 0, %x instruction at the position specified by the instruction builder b. -0.0 is used for floating point types to compute the correct sign. See the method llvm::LLVMBuilder::CreateFNeg.

val build_not : llvalue -> string -> llbuilder -> llvalue

build_xor x name b creates a %name = xor %x, -1 instruction at the position specified by the instruction builder b. -1 is the correct "all ones" value for the type of x. See the method llvm::LLVMBuilder::CreateXor.

Memory
val build_alloca : lltype -> string -> llbuilder -> llvalue

build_alloca ty name b creates a %name = alloca %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateAlloca.

val build_array_alloca : lltype -> llvalue -> string -> llbuilder -> llvalue

build_array_alloca ty n name b creates a %name = alloca %ty, %n instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateAlloca.

val build_load : llvalue -> string -> llbuilder -> llvalue

build_load v name b creates a %name = load %v instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateLoad.

  • deprecated build_load is deprecated in LLVM 15, use build_load2 that takes an additional lltype argument instead. In LLVM 16, build_load is an alias for build_load2.
val build_load2 : lltype -> llvalue -> string -> llbuilder -> llvalue

build_load2 ty v name b creates a %name = load %ty, %v instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateLoad.

val build_store : llvalue -> llvalue -> llbuilder -> llvalue

build_store v p b creates a store %v, %p instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateStore.

val build_atomicrmw : AtomicRMWBinOp.t -> llvalue -> llvalue -> AtomicOrdering.t -> bool -> string -> llbuilder -> llvalue

build_atomicrmw op ptr val o st b creates an atomicrmw instruction with operation op performed on pointer ptr and value val with ordering o and singlethread flag set to st at the position specified by the instruction builder b. See the method llvm::IRBuilder::CreateAtomicRMW.

val build_gep : llvalue -> llvalue array -> string -> llbuilder -> llvalue

build_gep p indices name b creates a %name = getelementptr %p, indices... instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateGetElementPtr.

  • deprecated build_gep is deprecated in LLVM 15, use build_gep2 that takes an additional lltype argument instead. In LLVM 16, build_gep is an alias for build_gep2.
val build_gep2 : lltype -> llvalue -> llvalue array -> string -> llbuilder -> llvalue

build_gep2 srcty p indices name b creates a %name = getelementptr srcty, %p, indices... instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateGetElementPtr.

val build_in_bounds_gep : llvalue -> llvalue array -> string -> llbuilder -> llvalue

build_in_bounds_gep p indices name b creates a %name = gelementptr inbounds %p, indices... instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateInBoundsGetElementPtr.

  • deprecated build_in_bounds_gep is deprecated in LLVM 15, use build_in_bounds_gep2 that takes an additional lltype argument instead. In LLVM 16, build_in_bounds_gep is an alias for build_in_bounds_gep2.
val build_in_bounds_gep2 : lltype -> llvalue -> llvalue array -> string -> llbuilder -> llvalue

build_in_bounds_gep2 srcty p indices name b creates a %name = gelementptr inbounds srcty, %p, indices... instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateInBoundsGetElementPtr.

val build_struct_gep : llvalue -> int -> string -> llbuilder -> llvalue

build_struct_gep p idx name b creates a %name = getelementptr %p, 0, idx instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateStructGetElementPtr.

  • deprecated build_struct_gep is deprecated in LLVM 15, use build_struct_gep2 that takes an additional lltype argument instead. In LLVM 16, build_struct_gep is an alias for build_struct_gep2.
val build_struct_gep2 : lltype -> llvalue -> int -> string -> llbuilder -> llvalue

build_struct_gep2 srcty p idx name b creates a %name = getelementptr srcty, %p, 0, idx instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateStructGetElementPtr.

val build_global_string : string -> string -> llbuilder -> llvalue

build_global_string str name b creates a series of instructions that adds a global string at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateGlobalString.

val build_global_stringptr : string -> string -> llbuilder -> llvalue

build_global_stringptr str name b creates a series of instructions that adds a global string pointer at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateGlobalStringPtr.

Casts
val build_trunc : llvalue -> lltype -> string -> llbuilder -> llvalue

build_trunc v ty name b creates a %name = trunc %p to %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateTrunc.

val build_zext : llvalue -> lltype -> string -> llbuilder -> llvalue

build_zext v ty name b creates a %name = zext %p to %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateZExt.

val build_sext : llvalue -> lltype -> string -> llbuilder -> llvalue

build_sext v ty name b creates a %name = sext %p to %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateSExt.

val build_fptoui : llvalue -> lltype -> string -> llbuilder -> llvalue

build_fptoui v ty name b creates a %name = fptoui %p to %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFPToUI.

val build_fptosi : llvalue -> lltype -> string -> llbuilder -> llvalue

build_fptosi v ty name b creates a %name = fptosi %p to %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFPToSI.

val build_uitofp : llvalue -> lltype -> string -> llbuilder -> llvalue

build_uitofp v ty name b creates a %name = uitofp %p to %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateUIToFP.

val build_sitofp : llvalue -> lltype -> string -> llbuilder -> llvalue

build_sitofp v ty name b creates a %name = sitofp %p to %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateSIToFP.

val build_fptrunc : llvalue -> lltype -> string -> llbuilder -> llvalue

build_fptrunc v ty name b creates a %name = fptrunc %p to %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFPTrunc.

val build_fpext : llvalue -> lltype -> string -> llbuilder -> llvalue

build_fpext v ty name b creates a %name = fpext %p to %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFPExt.

val build_ptrtoint : llvalue -> lltype -> string -> llbuilder -> llvalue

build_ptrtoint v ty name b creates a %name = prtotint %p to %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreatePtrToInt.

val build_inttoptr : llvalue -> lltype -> string -> llbuilder -> llvalue

build_inttoptr v ty name b creates a %name = inttoptr %p to %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateIntToPtr.

val build_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue

build_bitcast v ty name b creates a %name = bitcast %p to %ty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateBitCast.

val build_zext_or_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue

build_zext_or_bitcast v ty name b creates a zext or bitcast instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateZExtOrBitCast.

val build_sext_or_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue

build_sext_or_bitcast v ty name b creates a sext or bitcast instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateSExtOrBitCast.

val build_trunc_or_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue

build_trunc_or_bitcast v ty name b creates a trunc or bitcast instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateZExtOrBitCast.

val build_pointercast : llvalue -> lltype -> string -> llbuilder -> llvalue

build_pointercast v ty name b creates a bitcast or pointer-to-int instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreatePointerCast.

val build_intcast : llvalue -> lltype -> string -> llbuilder -> llvalue

build_intcast v ty name b creates a zext, bitcast, or trunc instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateIntCast.

val build_fpcast : llvalue -> lltype -> string -> llbuilder -> llvalue

build_fpcast v ty name b creates a fpext, bitcast, or fptrunc instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFPCast.

Comparisons
val build_icmp : Icmp.t -> llvalue -> llvalue -> string -> llbuilder -> llvalue

build_icmp pred x y name b creates a %name = icmp %pred %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateICmp.

val build_fcmp : Fcmp.t -> llvalue -> llvalue -> string -> llbuilder -> llvalue

build_fcmp pred x y name b creates a %name = fcmp %pred %x, %y instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFCmp.

Miscellaneous instructions
val build_phi : (llvalue * llbasicblock) list -> string -> llbuilder -> llvalue

build_phi incoming name b creates a %name = phi %incoming instruction at the position specified by the instruction builder b. incoming is a list of (llvalue, llbasicblock) tuples. See the method llvm::LLVMBuilder::CreatePHI.

val build_empty_phi : lltype -> string -> llbuilder -> llvalue

build_empty_phi ty name b creates a %name = phi %ty instruction at the position specified by the instruction builder b. ty is the type of the instruction. See the method llvm::LLVMBuilder::CreatePHI.

val build_call : llvalue -> llvalue array -> string -> llbuilder -> llvalue

build_call fn args name b creates a %name = call %fn(args...) instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateCall.

  • deprecated build_call is deprecated in LLVM 15, use build_call2 that takes an additional lltype argument instead. In LLVM 16, build_call is an alias for build_call2.
val build_call2 : lltype -> llvalue -> llvalue array -> string -> llbuilder -> llvalue

build_call2 fnty fn args name b creates a %name = call %fn(args...) instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateCall.

val build_select : llvalue -> llvalue -> llvalue -> string -> llbuilder -> llvalue

build_select cond thenv elsev name b creates a %name = select %cond, %thenv, %elsev instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateSelect.

val build_va_arg : llvalue -> lltype -> string -> llbuilder -> llvalue

build_va_arg valist argty name b creates a %name = va_arg %valist, %argty instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateVAArg.

val build_extractelement : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_extractelement vec i name b creates a %name = extractelement %vec, %i instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateExtractElement.

val build_insertelement : llvalue -> llvalue -> llvalue -> string -> llbuilder -> llvalue

build_insertelement vec elt i name b creates a %name = insertelement %vec, %elt, %i instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateInsertElement.

val build_shufflevector : llvalue -> llvalue -> llvalue -> string -> llbuilder -> llvalue

build_shufflevector veca vecb mask name b creates a %name = shufflevector %veca, %vecb, %mask instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateShuffleVector.

val build_extractvalue : llvalue -> int -> string -> llbuilder -> llvalue

build_extractvalue agg idx name b creates a %name = extractvalue %agg, %idx instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateExtractValue.

val build_insertvalue : llvalue -> llvalue -> int -> string -> llbuilder -> llvalue

build_insertvalue agg val idx name b creates a %name = insertvalue %agg, %val, %idx instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateInsertValue.

val build_is_null : llvalue -> string -> llbuilder -> llvalue

build_is_null val name b creates a %name = icmp eq %val, null instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateIsNull.

val build_is_not_null : llvalue -> string -> llbuilder -> llvalue

build_is_not_null val name b creates a %name = icmp ne %val, null instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateIsNotNull.

val build_ptrdiff : llvalue -> llvalue -> string -> llbuilder -> llvalue

build_ptrdiff lhs rhs name b creates a series of instructions that measure the difference between two pointer values at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreatePtrDiff.

  • deprecated build_ptrdiff is deprecated in LLVM 15, use build_ptrdiff2 that takes an additional lltype argument instead. In LLVM 16, build_ptrdiff is an alias for build_ptrdiff2.
val build_ptrdiff2 : lltype -> llvalue -> llvalue -> string -> llbuilder -> llvalue

build_ptrdiff2 elemty lhs rhs name b creates a series of instructions that measure the difference between two pointer values in multiples of elemty at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreatePtrDiff.

val build_freeze : llvalue -> string -> llbuilder -> llvalue

build_freeze x name b creates a %name = freeze %x instruction at the position specified by the instruction builder b. See the method llvm::LLVMBuilder::CreateFreeze.

Memory buffers
module MemoryBuffer : sig ... end
Pass Managers
module PassManager : sig ... end
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