361 lines
12 KiB
C
361 lines
12 KiB
C
/*===-- target_ocaml.c - LLVM OCaml Glue ------------------------*- C++ -*-===*\
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|* *|
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|* Part of the LLVM Project, under the Apache License v2.0 with LLVM *|
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|* Exceptions. *|
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|* See https://llvm.org/LICENSE.txt for license information. *|
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|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *|
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|* *|
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|*===----------------------------------------------------------------------===*|
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|* *|
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|* This file glues LLVM's OCaml interface to its C interface. These functions *|
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|* are by and large transparent wrappers to the corresponding C functions. *|
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|* *|
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|* Note that these functions intentionally take liberties with the CAMLparamX *|
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|* macros, since most of the parameters are not GC heap objects. *|
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|* *|
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\*===----------------------------------------------------------------------===*/
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#include "target_ocaml.h"
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#include "caml/alloc.h"
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#include "caml/callback.h"
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#include "caml/custom.h"
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#include "caml/fail.h"
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#include "caml/memory.h"
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#include "llvm_ocaml.h"
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#include "llvm-c/Core.h"
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#include "llvm-c/Target.h"
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#include "llvm-c/TargetMachine.h"
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void llvm_raise(value Prototype, char *Message);
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value llvm_string_of_message(char *Message);
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/*===---- Data Layout -----------------------------------------------------===*/
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#define DataLayout_val(v) (*(LLVMTargetDataRef *)(Data_custom_val(v)))
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static void llvm_finalize_data_layout(value DataLayout) {
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LLVMDisposeTargetData(DataLayout_val(DataLayout));
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}
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static struct custom_operations llvm_data_layout_ops = {
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(char *)"Llvm_target.DataLayout.t",
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llvm_finalize_data_layout,
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custom_compare_default,
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custom_hash_default,
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custom_serialize_default,
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custom_deserialize_default,
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custom_compare_ext_default};
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value llvm_alloc_data_layout(LLVMTargetDataRef DataLayout) {
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value V =
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caml_alloc_custom(&llvm_data_layout_ops, sizeof(LLVMTargetDataRef), 0, 1);
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DataLayout_val(V) = DataLayout;
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return V;
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}
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/* string -> DataLayout.t */
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value llvm_datalayout_of_string(value StringRep) {
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return llvm_alloc_data_layout(LLVMCreateTargetData(String_val(StringRep)));
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}
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/* DataLayout.t -> string */
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value llvm_datalayout_as_string(value TD) {
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char *StringRep = LLVMCopyStringRepOfTargetData(DataLayout_val(TD));
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value Copy = caml_copy_string(StringRep);
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LLVMDisposeMessage(StringRep);
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return Copy;
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}
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/* DataLayout.t -> Endian.t */
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value llvm_datalayout_byte_order(value DL) {
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return Val_int(LLVMByteOrder(DataLayout_val(DL)));
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}
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/* DataLayout.t -> int */
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value llvm_datalayout_pointer_size(value DL) {
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return Val_int(LLVMPointerSize(DataLayout_val(DL)));
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}
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/* Llvm.llcontext -> DataLayout.t -> Llvm.lltype */
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value llvm_datalayout_intptr_type(value C, value DL) {
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LLVMTypeRef Type =
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LLVMIntPtrTypeInContext(Context_val(C), DataLayout_val(DL));
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return to_val(Type);
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}
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/* int -> DataLayout.t -> int */
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value llvm_datalayout_qualified_pointer_size(value AS, value DL) {
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return Val_int(LLVMPointerSizeForAS(DataLayout_val(DL), Int_val(AS)));
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}
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/* Llvm.llcontext -> int -> DataLayout.t -> Llvm.lltype */
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value llvm_datalayout_qualified_intptr_type(value C, value AS, value DL) {
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LLVMTypeRef Type = LLVMIntPtrTypeForASInContext(
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Context_val(C), DataLayout_val(DL), Int_val(AS));
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return to_val(Type);
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}
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/* Llvm.lltype -> DataLayout.t -> Int64.t */
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value llvm_datalayout_size_in_bits(value Ty, value DL) {
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return caml_copy_int64(
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LLVMSizeOfTypeInBits(DataLayout_val(DL), Type_val(Ty)));
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}
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/* Llvm.lltype -> DataLayout.t -> Int64.t */
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value llvm_datalayout_store_size(value Ty, value DL) {
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return caml_copy_int64(LLVMStoreSizeOfType(DataLayout_val(DL), Type_val(Ty)));
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}
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/* Llvm.lltype -> DataLayout.t -> Int64.t */
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value llvm_datalayout_abi_size(value Ty, value DL) {
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return caml_copy_int64(LLVMABISizeOfType(DataLayout_val(DL), Type_val(Ty)));
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}
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/* Llvm.lltype -> DataLayout.t -> int */
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value llvm_datalayout_abi_align(value Ty, value DL) {
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return Val_int(LLVMABIAlignmentOfType(DataLayout_val(DL), Type_val(Ty)));
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}
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/* Llvm.lltype -> DataLayout.t -> int */
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value llvm_datalayout_stack_align(value Ty, value DL) {
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return Val_int(
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LLVMCallFrameAlignmentOfType(DataLayout_val(DL), Type_val(Ty)));
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}
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/* Llvm.lltype -> DataLayout.t -> int */
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value llvm_datalayout_preferred_align(value Ty, value DL) {
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return Val_int(
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LLVMPreferredAlignmentOfType(DataLayout_val(DL), Type_val(Ty)));
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}
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/* Llvm.llvalue -> DataLayout.t -> int */
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value llvm_datalayout_preferred_align_of_global(value GlobalVar, value DL) {
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return Val_int(
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LLVMPreferredAlignmentOfGlobal(DataLayout_val(DL), Value_val(GlobalVar)));
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}
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/* Llvm.lltype -> Int64.t -> DataLayout.t -> int */
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value llvm_datalayout_element_at_offset(value Ty, value Offset, value DL) {
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return Val_int(
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LLVMElementAtOffset(DataLayout_val(DL), Type_val(Ty), Int64_val(Offset)));
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}
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/* Llvm.lltype -> int -> DataLayout.t -> Int64.t */
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value llvm_datalayout_offset_of_element(value Ty, value Index, value DL) {
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return caml_copy_int64(
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LLVMOffsetOfElement(DataLayout_val(DL), Type_val(Ty), Int_val(Index)));
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}
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/*===---- Target ----------------------------------------------------------===*/
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#define Target_val(v) ((LLVMTargetRef)from_val(v))
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/* unit -> string */
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value llvm_target_default_triple(value Unit) {
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char *TripleCStr = LLVMGetDefaultTargetTriple();
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value TripleStr = caml_copy_string(TripleCStr);
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LLVMDisposeMessage(TripleCStr);
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return TripleStr;
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}
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/* unit -> Target.t option */
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value llvm_target_first(value Unit) {
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return ptr_to_option(LLVMGetFirstTarget());
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}
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/* Target.t -> Target.t option */
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value llvm_target_succ(value Target) {
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return ptr_to_option(LLVMGetNextTarget(Target_val(Target)));
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}
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/* string -> Target.t option */
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value llvm_target_by_name(value Name) {
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return ptr_to_option(LLVMGetTargetFromName(String_val(Name)));
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}
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/* string -> Target.t */
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value llvm_target_by_triple(value Triple) {
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LLVMTargetRef T;
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char *Error;
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if (LLVMGetTargetFromTriple(String_val(Triple), &T, &Error))
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llvm_raise(*caml_named_value("Llvm_target.Error"), Error);
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return to_val(T);
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}
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/* Target.t -> string */
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value llvm_target_name(value Target) {
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return caml_copy_string(LLVMGetTargetName(Target_val(Target)));
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}
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/* Target.t -> string */
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value llvm_target_description(value Target) {
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return caml_copy_string(LLVMGetTargetDescription(Target_val(Target)));
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}
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/* Target.t -> bool */
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value llvm_target_has_jit(value Target) {
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return Val_bool(LLVMTargetHasJIT(Target_val(Target)));
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}
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/* Target.t -> bool */
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value llvm_target_has_target_machine(value Target) {
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return Val_bool(LLVMTargetHasTargetMachine(Target_val(Target)));
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}
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/* Target.t -> bool */
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value llvm_target_has_asm_backend(value Target) {
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return Val_bool(LLVMTargetHasAsmBackend(Target_val(Target)));
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}
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/*===---- Target Machine --------------------------------------------------===*/
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static void llvm_finalize_target_machine(value Machine) {
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LLVMDisposeTargetMachine(TargetMachine_val(Machine));
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}
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static struct custom_operations llvm_target_machine_ops = {
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(char *)"Llvm_target.TargetMachine.t",
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llvm_finalize_target_machine,
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custom_compare_default,
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custom_hash_default,
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custom_serialize_default,
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custom_deserialize_default,
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custom_compare_ext_default};
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static value llvm_alloc_targetmachine(LLVMTargetMachineRef Machine) {
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value V = caml_alloc_custom(&llvm_target_machine_ops,
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sizeof(LLVMTargetMachineRef), 0, 1);
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TargetMachine_val(V) = Machine;
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return V;
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}
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/* triple:string -> ?cpu:string -> ?features:string
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?level:CodeGenOptLevel.t -> ?reloc_mode:RelocMode.t
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?code_model:CodeModel.t -> Target.t -> TargetMachine.t */
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value llvm_create_targetmachine_native(value Triple, value CPU, value Features,
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value OptLevel, value RelocMode,
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value CodeModel, value Target) {
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LLVMTargetMachineRef Machine;
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const char *CPUStr = "", *FeaturesStr = "";
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LLVMCodeGenOptLevel OptLevelEnum = LLVMCodeGenLevelDefault;
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LLVMRelocMode RelocModeEnum = LLVMRelocDefault;
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LLVMCodeModel CodeModelEnum = LLVMCodeModelDefault;
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if (CPU != Val_int(0))
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CPUStr = String_val(Field(CPU, 0));
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if (Features != Val_int(0))
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FeaturesStr = String_val(Field(Features, 0));
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if (OptLevel != Val_int(0))
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OptLevelEnum = Int_val(Field(OptLevel, 0));
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if (RelocMode != Val_int(0))
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RelocModeEnum = Int_val(Field(RelocMode, 0));
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if (CodeModel != Val_int(0))
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CodeModelEnum = Int_val(Field(CodeModel, 0));
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Machine = LLVMCreateTargetMachine(Target_val(Target), String_val(Triple),
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CPUStr, FeaturesStr, OptLevelEnum,
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RelocModeEnum, CodeModelEnum);
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return llvm_alloc_targetmachine(Machine);
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}
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value llvm_create_targetmachine_bytecode(value *argv, int argn) {
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return llvm_create_targetmachine_native(argv[0], argv[1], argv[2], argv[3],
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argv[4], argv[5], argv[6]);
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}
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/* TargetMachine.t -> Target.t */
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value llvm_targetmachine_target(value Machine) {
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return to_val(LLVMGetTargetMachineTarget(TargetMachine_val(Machine)));
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}
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/* TargetMachine.t -> string */
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value llvm_targetmachine_triple(value Machine) {
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return llvm_string_of_message(
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LLVMGetTargetMachineTriple(TargetMachine_val(Machine)));
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}
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/* TargetMachine.t -> string */
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value llvm_targetmachine_cpu(value Machine) {
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return llvm_string_of_message(
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LLVMGetTargetMachineCPU(TargetMachine_val(Machine)));
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}
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/* TargetMachine.t -> string */
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value llvm_targetmachine_features(value Machine) {
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return llvm_string_of_message(
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LLVMGetTargetMachineFeatureString(TargetMachine_val(Machine)));
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}
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/* TargetMachine.t -> DataLayout.t */
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value llvm_targetmachine_data_layout(value Machine) {
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return llvm_alloc_data_layout(
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LLVMCreateTargetDataLayout(TargetMachine_val(Machine)));
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}
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/* bool -> TargetMachine.t -> unit */
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value llvm_targetmachine_set_verbose_asm(value Verb, value Machine) {
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LLVMSetTargetMachineAsmVerbosity(TargetMachine_val(Machine), Bool_val(Verb));
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return Val_unit;
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}
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/* bool -> TargetMachine.t -> unit */
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value llvm_targetmachine_set_fast_isel(value Enable, value Machine) {
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LLVMSetTargetMachineFastISel(TargetMachine_val(Machine), Bool_val(Enable));
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return Val_unit;
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}
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/* bool -> TargetMachine.t -> unit */
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value llvm_targetmachine_set_global_isel(value Enable, value Machine) {
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LLVMSetTargetMachineGlobalISel(TargetMachine_val(Machine), Bool_val(Enable));
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return Val_unit;
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}
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/* ?mode:GlobalISelAbortMode.t -> TargetMachine.t -> unit */
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value llvm_targetmachine_set_global_isel_abort(value Mode, value Machine) {
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LLVMGlobalISelAbortMode AbortModeEnum = LLVMGlobalISelAbortEnable;
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if (Mode != Val_int(0))
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AbortModeEnum = Int_val(Field(Mode, 0));
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LLVMSetTargetMachineGlobalISelAbort(TargetMachine_val(Machine),
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AbortModeEnum);
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return Val_unit;
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}
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/* bool -> TargetMachine.t -> unit */
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value llvm_targetmachine_set_machine_outliner(value Enable, value Machine) {
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LLVMSetTargetMachineMachineOutliner(TargetMachine_val(Machine),
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Bool_val(Enable));
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return Val_unit;
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}
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/* Llvm.llmodule -> CodeGenFileType.t -> string -> TargetMachine.t -> unit */
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value llvm_targetmachine_emit_to_file(value Module, value FileType,
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value FileName, value Machine) {
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char *ErrorMessage;
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if (LLVMTargetMachineEmitToFile(
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TargetMachine_val(Machine), Module_val(Module),
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(char *)String_val(FileName), Int_val(FileType), &ErrorMessage)) {
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llvm_raise(*caml_named_value("Llvm_target.Error"), ErrorMessage);
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}
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return Val_unit;
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}
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/* Llvm.llmodule -> CodeGenFileType.t -> TargetMachine.t ->
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Llvm.llmemorybuffer */
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value llvm_targetmachine_emit_to_memory_buffer(value Module, value FileType,
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value Machine) {
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char *ErrorMessage;
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LLVMMemoryBufferRef Buffer;
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if (LLVMTargetMachineEmitToMemoryBuffer(TargetMachine_val(Machine),
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Module_val(Module), Int_val(FileType),
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&ErrorMessage, &Buffer)) {
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llvm_raise(*caml_named_value("Llvm_target.Error"), ErrorMessage);
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}
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return to_val(Buffer);
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}
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