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9ce88db752
This patch adds the target analysis passes (usually TargetTransformInfo) to the codgen pipeline. We also expose now the AddAnalysisPasses method through the C API, because the optimizer passes would also benefit from better target-specific cost models. Reviewed by Andrew Kaylor git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199926 91177308-0d34-0410-b5e6-96231b3b80d8
148 lines
6.1 KiB
C
148 lines
6.1 KiB
C
/*===-- llvm-c/TargetMachine.h - Target Machine Library C Interface - C++ -*-=*\
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|* *|
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|* The LLVM Compiler Infrastructure *|
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|* *|
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|* This file is distributed under the University of Illinois Open Source *|
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|* License. See LICENSE.TXT for details. *|
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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/Core.h"
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#include "llvm-c/Target.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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} LLVMRelocMode;
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typedef enum {
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LLVMCodeModelDefault,
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LLVMCodeModelJITDefault,
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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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/** Returns the llvm::DataLayout used for this llvm:TargetMachine. */
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LLVMTargetDataRef LLVMGetTargetMachineData(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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/** 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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