| //===-- TargetMachine.cpp - General Target Information ---------------------==// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file describes the general parts of a Target machine. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/MC/MCAsmInfo.h" |
| #include "llvm/Target/TargetMachine.h" |
| #include "llvm/Target/TargetOptions.h" |
| #include "llvm/Support/CommandLine.h" |
| using namespace llvm; |
| |
| //--------------------------------------------------------------------------- |
| // Command-line options that tend to be useful on more than one back-end. |
| // |
| |
| namespace llvm { |
| bool HasDivModLibcall; |
| bool AsmVerbosityDefault(false); |
| } |
| |
| static cl::opt<bool> |
| DataSections("fdata-sections", |
| cl::desc("Emit data into separate sections"), |
| cl::init(false)); |
| static cl::opt<bool> |
| FunctionSections("ffunction-sections", |
| cl::desc("Emit functions into separate sections"), |
| cl::init(false)); |
| |
| //--------------------------------------------------------------------------- |
| // TargetMachine Class |
| // |
| |
| TargetMachine::TargetMachine(const Target &T, |
| StringRef TT, StringRef CPU, StringRef FS, |
| const TargetOptions &Options) |
| : TheTarget(T), TargetTriple(TT), TargetCPU(CPU), TargetFS(FS), |
| CodeGenInfo(0), AsmInfo(0), |
| MCRelaxAll(false), |
| MCNoExecStack(false), |
| MCSaveTempLabels(false), |
| MCUseLoc(true), |
| MCUseCFI(true), |
| MCUseDwarfDirectory(false), |
| Options(Options) { |
| } |
| |
| TargetMachine::~TargetMachine() { |
| delete CodeGenInfo; |
| delete AsmInfo; |
| } |
| |
| /// getRelocationModel - Returns the code generation relocation model. The |
| /// choices are static, PIC, and dynamic-no-pic, and target default. |
| Reloc::Model TargetMachine::getRelocationModel() const { |
| if (!CodeGenInfo) |
| return Reloc::Default; |
| return CodeGenInfo->getRelocationModel(); |
| } |
| |
| /// getCodeModel - Returns the code model. The choices are small, kernel, |
| /// medium, large, and target default. |
| CodeModel::Model TargetMachine::getCodeModel() const { |
| if (!CodeGenInfo) |
| return CodeModel::Default; |
| return CodeGenInfo->getCodeModel(); |
| } |
| |
| /// getOptLevel - Returns the optimization level: None, Less, |
| /// Default, or Aggressive. |
| CodeGenOpt::Level TargetMachine::getOptLevel() const { |
| if (!CodeGenInfo) |
| return CodeGenOpt::Default; |
| return CodeGenInfo->getOptLevel(); |
| } |
| |
| bool TargetMachine::getAsmVerbosityDefault() { |
| return AsmVerbosityDefault; |
| } |
| |
| void TargetMachine::setAsmVerbosityDefault(bool V) { |
| AsmVerbosityDefault = V; |
| } |
| |
| bool TargetMachine::getFunctionSections() { |
| return FunctionSections; |
| } |
| |
| bool TargetMachine::getDataSections() { |
| return DataSections; |
| } |
| |
| void TargetMachine::setFunctionSections(bool V) { |
| FunctionSections = V; |
| } |
| |
| void TargetMachine::setDataSections(bool V) { |
| DataSections = V; |
| } |
| |