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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
164 lines
6.5 KiB
C
164 lines
6.5 KiB
C
/*===-- llvm-c/TargetMachine.h - Target Machine Library C Interface - 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 header declares the C interface to the Target and TargetMachine *|
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|* classes, which can be used to generate assembly or object files. *|
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|* *|
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|* Many exotic languages can interoperate with C code but have a harder time *|
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|* with C++ due to name mangling. So in addition to C, this interface enables *|
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|* tools written in such languages. *|
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|* *|
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\*===----------------------------------------------------------------------===*/
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#ifndef LLVM_C_TARGETMACHINE_H
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#define LLVM_C_TARGETMACHINE_H
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#include "llvm-c/Target.h"
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#include "llvm-c/Types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct LLVMOpaqueTargetMachine *LLVMTargetMachineRef;
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typedef struct LLVMTarget *LLVMTargetRef;
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typedef enum {
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LLVMCodeGenLevelNone,
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LLVMCodeGenLevelLess,
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LLVMCodeGenLevelDefault,
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LLVMCodeGenLevelAggressive
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} LLVMCodeGenOptLevel;
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typedef enum {
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LLVMRelocDefault,
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LLVMRelocStatic,
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LLVMRelocPIC,
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LLVMRelocDynamicNoPic,
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LLVMRelocROPI,
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LLVMRelocRWPI,
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LLVMRelocROPI_RWPI
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} LLVMRelocMode;
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typedef enum {
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LLVMCodeModelDefault,
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LLVMCodeModelJITDefault,
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LLVMCodeModelTiny,
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LLVMCodeModelSmall,
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LLVMCodeModelKernel,
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LLVMCodeModelMedium,
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LLVMCodeModelLarge
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} LLVMCodeModel;
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typedef enum {
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LLVMAssemblyFile,
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LLVMObjectFile
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} LLVMCodeGenFileType;
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/** Returns the first llvm::Target in the registered targets list. */
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LLVMTargetRef LLVMGetFirstTarget(void);
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/** Returns the next llvm::Target given a previous one (or null if there's none) */
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LLVMTargetRef LLVMGetNextTarget(LLVMTargetRef T);
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/*===-- Target ------------------------------------------------------------===*/
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/** Finds the target corresponding to the given name and stores it in \p T.
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Returns 0 on success. */
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LLVMTargetRef LLVMGetTargetFromName(const char *Name);
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/** Finds the target corresponding to the given triple and stores it in \p T.
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Returns 0 on success. Optionally returns any error in ErrorMessage.
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Use LLVMDisposeMessage to dispose the message. */
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LLVMBool LLVMGetTargetFromTriple(const char* Triple, LLVMTargetRef *T,
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char **ErrorMessage);
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/** Returns the name of a target. See llvm::Target::getName */
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const char *LLVMGetTargetName(LLVMTargetRef T);
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/** Returns the description of a target. See llvm::Target::getDescription */
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const char *LLVMGetTargetDescription(LLVMTargetRef T);
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/** Returns if the target has a JIT */
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LLVMBool LLVMTargetHasJIT(LLVMTargetRef T);
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/** Returns if the target has a TargetMachine associated */
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LLVMBool LLVMTargetHasTargetMachine(LLVMTargetRef T);
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/** Returns if the target as an ASM backend (required for emitting output) */
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LLVMBool LLVMTargetHasAsmBackend(LLVMTargetRef T);
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/*===-- Target Machine ----------------------------------------------------===*/
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/** Creates a new llvm::TargetMachine. See llvm::Target::createTargetMachine */
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LLVMTargetMachineRef LLVMCreateTargetMachine(LLVMTargetRef T,
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const char *Triple, const char *CPU, const char *Features,
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LLVMCodeGenOptLevel Level, LLVMRelocMode Reloc, LLVMCodeModel CodeModel);
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/** Dispose the LLVMTargetMachineRef instance generated by
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LLVMCreateTargetMachine. */
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void LLVMDisposeTargetMachine(LLVMTargetMachineRef T);
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/** Returns the Target used in a TargetMachine */
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LLVMTargetRef LLVMGetTargetMachineTarget(LLVMTargetMachineRef T);
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/** Returns the triple used creating this target machine. See
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llvm::TargetMachine::getTriple. The result needs to be disposed with
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LLVMDisposeMessage. */
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char *LLVMGetTargetMachineTriple(LLVMTargetMachineRef T);
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/** Returns the cpu used creating this target machine. See
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llvm::TargetMachine::getCPU. The result needs to be disposed with
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LLVMDisposeMessage. */
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char *LLVMGetTargetMachineCPU(LLVMTargetMachineRef T);
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/** Returns the feature string used creating this target machine. See
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llvm::TargetMachine::getFeatureString. The result needs to be disposed with
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LLVMDisposeMessage. */
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char *LLVMGetTargetMachineFeatureString(LLVMTargetMachineRef T);
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/** Create a DataLayout based on the targetMachine. */
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LLVMTargetDataRef LLVMCreateTargetDataLayout(LLVMTargetMachineRef T);
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/** Set the target machine's ASM verbosity. */
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void LLVMSetTargetMachineAsmVerbosity(LLVMTargetMachineRef T,
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LLVMBool VerboseAsm);
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/** Emits an asm or object file for the given module to the filename. This
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wraps several c++ only classes (among them a file stream). Returns any
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error in ErrorMessage. Use LLVMDisposeMessage to dispose the message. */
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LLVMBool LLVMTargetMachineEmitToFile(LLVMTargetMachineRef T, LLVMModuleRef M,
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char *Filename, LLVMCodeGenFileType codegen, char **ErrorMessage);
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/** Compile the LLVM IR stored in \p M and store the result in \p OutMemBuf. */
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LLVMBool LLVMTargetMachineEmitToMemoryBuffer(LLVMTargetMachineRef T, LLVMModuleRef M,
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LLVMCodeGenFileType codegen, char** ErrorMessage, LLVMMemoryBufferRef *OutMemBuf);
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/*===-- Triple ------------------------------------------------------------===*/
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/** Get a triple for the host machine as a string. The result needs to be
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disposed with LLVMDisposeMessage. */
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char* LLVMGetDefaultTargetTriple(void);
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/** Normalize a target triple. The result needs to be disposed with
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LLVMDisposeMessage. */
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char* LLVMNormalizeTargetTriple(const char* triple);
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/** Get the host CPU as a string. The result needs to be disposed with
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LLVMDisposeMessage. */
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char* LLVMGetHostCPUName(void);
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/** Get the host CPU's features as a string. The result needs to be disposed
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with LLVMDisposeMessage. */
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char* LLVMGetHostCPUFeatures(void);
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/** Adds the target-specific analysis passes to the pass manager. */
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void LLVMAddAnalysisPasses(LLVMTargetMachineRef T, LLVMPassManagerRef PM);
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#ifdef __cplusplus
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}
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#endif
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#endif
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