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Current File : //usr/include/llvm-c-10/llvm-c/TargetMachine.h
/*===-- llvm-c/TargetMachine.h - Target Machine Library C Interface - C++ -*-=*\
|* *|
|* Part of the LLVM Project, under the Apache License v2.0 with LLVM *|
|* Exceptions. *|
|* See https://llvm.org/LICENSE.txt for license information. *|
|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* This header declares the C interface to the Target and TargetMachine *|
|* classes, which can be used to generate assembly or object files. *|
|* *|
|* Many exotic languages can interoperate with C code but have a harder time *|
|* with C++ due to name mangling. So in addition to C, this interface enables *|
|* tools written in such languages. *|
|* *|
\*===----------------------------------------------------------------------===*/
#ifndef LLVM_C_TARGETMACHINE_H
#define LLVM_C_TARGETMACHINE_H
#include "llvm-c/ExternC.h"
#include "llvm-c/Target.h"
#include "llvm-c/Types.h"
LLVM_C_EXTERN_C_BEGIN
typedef struct LLVMOpaqueTargetMachine *LLVMTargetMachineRef;
typedef struct LLVMTarget *LLVMTargetRef;
typedef enum {
LLVMCodeGenLevelNone,
LLVMCodeGenLevelLess,
LLVMCodeGenLevelDefault,
LLVMCodeGenLevelAggressive
} LLVMCodeGenOptLevel;
typedef enum {
LLVMRelocDefault,
LLVMRelocStatic,
LLVMRelocPIC,
LLVMRelocDynamicNoPic,
LLVMRelocROPI,
LLVMRelocRWPI,
LLVMRelocROPI_RWPI
} LLVMRelocMode;
typedef enum {
LLVMCodeModelDefault,
LLVMCodeModelJITDefault,
LLVMCodeModelTiny,
LLVMCodeModelSmall,
LLVMCodeModelKernel,
LLVMCodeModelMedium,
LLVMCodeModelLarge
} LLVMCodeModel;
typedef enum {
LLVMAssemblyFile,
LLVMObjectFile
} LLVMCodeGenFileType;
/** Returns the first llvm::Target in the registered targets list. */
LLVMTargetRef LLVMGetFirstTarget(void);
/** Returns the next llvm::Target given a previous one (or null if there's none) */
LLVMTargetRef LLVMGetNextTarget(LLVMTargetRef T);
/*===-- Target ------------------------------------------------------------===*/
/** Finds the target corresponding to the given name and stores it in \p T.
Returns 0 on success. */
LLVMTargetRef LLVMGetTargetFromName(const char *Name);
/** Finds the target corresponding to the given triple and stores it in \p T.
Returns 0 on success. Optionally returns any error in ErrorMessage.
Use LLVMDisposeMessage to dispose the message. */
LLVMBool LLVMGetTargetFromTriple(const char* Triple, LLVMTargetRef *T,
char **ErrorMessage);
/** Returns the name of a target. See llvm::Target::getName */
const char *LLVMGetTargetName(LLVMTargetRef T);
/** Returns the description of a target. See llvm::Target::getDescription */
const char *LLVMGetTargetDescription(LLVMTargetRef T);
/** Returns if the target has a JIT */
LLVMBool LLVMTargetHasJIT(LLVMTargetRef T);
/** Returns if the target has a TargetMachine associated */
LLVMBool LLVMTargetHasTargetMachine(LLVMTargetRef T);
/** Returns if the target as an ASM backend (required for emitting output) */
LLVMBool LLVMTargetHasAsmBackend(LLVMTargetRef T);
/*===-- Target Machine ----------------------------------------------------===*/
/** Creates a new llvm::TargetMachine. See llvm::Target::createTargetMachine */
LLVMTargetMachineRef LLVMCreateTargetMachine(LLVMTargetRef T,
const char *Triple, const char *CPU, const char *Features,
LLVMCodeGenOptLevel Level, LLVMRelocMode Reloc, LLVMCodeModel CodeModel);
/** Dispose the LLVMTargetMachineRef instance generated by
LLVMCreateTargetMachine. */
void LLVMDisposeTargetMachine(LLVMTargetMachineRef T);
/** Returns the Target used in a TargetMachine */
LLVMTargetRef LLVMGetTargetMachineTarget(LLVMTargetMachineRef T);
/** Returns the triple used creating this target machine. See
llvm::TargetMachine::getTriple. The result needs to be disposed with
LLVMDisposeMessage. */
char *LLVMGetTargetMachineTriple(LLVMTargetMachineRef T);
/** Returns the cpu used creating this target machine. See
llvm::TargetMachine::getCPU. The result needs to be disposed with
LLVMDisposeMessage. */
char *LLVMGetTargetMachineCPU(LLVMTargetMachineRef T);
/** Returns the feature string used creating this target machine. See
llvm::TargetMachine::getFeatureString. The result needs to be disposed with
LLVMDisposeMessage. */
char *LLVMGetTargetMachineFeatureString(LLVMTargetMachineRef T);
/** Create a DataLayout based on the targetMachine. */
LLVMTargetDataRef LLVMCreateTargetDataLayout(LLVMTargetMachineRef T);
/** Set the target machine's ASM verbosity. */
void LLVMSetTargetMachineAsmVerbosity(LLVMTargetMachineRef T,
LLVMBool VerboseAsm);
/** Emits an asm or object file for the given module to the filename. This
wraps several c++ only classes (among them a file stream). Returns any
error in ErrorMessage. Use LLVMDisposeMessage to dispose the message. */
LLVMBool LLVMTargetMachineEmitToFile(LLVMTargetMachineRef T, LLVMModuleRef M,
char *Filename, LLVMCodeGenFileType codegen, char **ErrorMessage);
/** Compile the LLVM IR stored in \p M and store the result in \p OutMemBuf. */
LLVMBool LLVMTargetMachineEmitToMemoryBuffer(LLVMTargetMachineRef T, LLVMModuleRef M,
LLVMCodeGenFileType codegen, char** ErrorMessage, LLVMMemoryBufferRef *OutMemBuf);
/*===-- Triple ------------------------------------------------------------===*/
/** Get a triple for the host machine as a string. The result needs to be
disposed with LLVMDisposeMessage. */
char* LLVMGetDefaultTargetTriple(void);
/** Normalize a target triple. The result needs to be disposed with
LLVMDisposeMessage. */
char* LLVMNormalizeTargetTriple(const char* triple);
/** Get the host CPU as a string. The result needs to be disposed with
LLVMDisposeMessage. */
char* LLVMGetHostCPUName(void);
/** Get the host CPU's features as a string. The result needs to be disposed
with LLVMDisposeMessage. */
char* LLVMGetHostCPUFeatures(void);
/** Adds the target-specific analysis passes to the pass manager. */
void LLVMAddAnalysisPasses(LLVMTargetMachineRef T, LLVMPassManagerRef PM);
LLVM_C_EXTERN_C_END
#endif
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