X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMipsTargetMachine.cpp;h=9af2f1b201d973953f81a99238ec94fa316a4f08;hb=9a308df027b60057d0fe3ba7a3ee9648f6677879;hp=88ce3b881944f8f830f09b3d17054bf6f945746b;hpb=276365dd4bc0c2160f91fd8062ae1fc90c86c324;p=oota-llvm.git diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp index 88ce3b88194..9af2f1b201d 100644 --- a/lib/Target/Mips/MipsTargetMachine.cpp +++ b/lib/Target/Mips/MipsTargetMachine.cpp @@ -11,19 +11,37 @@ // //===----------------------------------------------------------------------===// -#include "Mips.h" -#include "MipsMCAsmInfo.h" #include "MipsTargetMachine.h" +#include "Mips.h" +#include "MipsFrameLowering.h" +#include "MipsInstrInfo.h" +#include "MipsModuleISelDAGToDAG.h" +#include "MipsOs16.h" +#include "MipsSEFrameLowering.h" +#include "MipsSEInstrInfo.h" +#include "MipsSEISelLowering.h" +#include "MipsSEISelDAGToDAG.h" +#include "Mips16FrameLowering.h" +#include "Mips16HardFloat.h" +#include "Mips16InstrInfo.h" +#include "Mips16ISelDAGToDAG.h" +#include "Mips16ISelLowering.h" +#include "llvm/Analysis/TargetTransformInfo.h" +#include "llvm/CodeGen/Passes.h" #include "llvm/PassManager.h" -#include "llvm/Target/TargetRegistry.h" +#include "llvm/Support/Debug.h" +#include "llvm/Support/raw_ostream.h" +#include "llvm/Support/TargetRegistry.h" using namespace llvm; + + extern "C" void LLVMInitializeMipsTarget() { // Register the target. - RegisterTargetMachine X(TheMipsTarget); + RegisterTargetMachine X(TheMipsTarget); RegisterTargetMachine Y(TheMipselTarget); - RegisterAsmInfo A(TheMipsTarget); - RegisterAsmInfo B(TheMipselTarget); + RegisterTargetMachine A(TheMips64Target); + RegisterTargetMachine B(TheMips64elTarget); } // DataLayout --> Big-endian, 32-bit pointer/ABI/alignment @@ -34,58 +52,163 @@ extern "C" void LLVMInitializeMipsTarget() { // an easier handling. // Using CodeModel::Large enables different CALL behavior. MipsTargetMachine:: -MipsTargetMachine(const Target &T, const std::string &TT, - const std::string &CPU, const std::string &FS, - bool isLittle=false): - LLVMTargetMachine(T, TT), - Subtarget(TT, CPU, FS, isLittle), - DataLayout(isLittle ? - std::string("e-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32") : - std::string("E-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32")), - InstrInfo(*this), - FrameLowering(Subtarget), - TLInfo(*this), TSInfo(*this) { - // Abicall enables PIC by default - if (getRelocationModel() == Reloc::Default) { - if (Subtarget.isABI_O32()) - setRelocationModel(Reloc::PIC_); - else - setRelocationModel(Reloc::Static); +MipsTargetMachine(const Target &T, StringRef TT, + StringRef CPU, StringRef FS, const TargetOptions &Options, + Reloc::Model RM, CodeModel::Model CM, + CodeGenOpt::Level OL, + bool isLittle) + : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL), + Subtarget(TT, CPU, FS, isLittle, RM, this), + DL(isLittle ? + (Subtarget.isABI_N64() ? + "e-p:64:64:64-i8:8:32-i16:16:32-i64:64:64-f128:128:128-" + "n32:64-S128" : + "e-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32-S64") : + (Subtarget.isABI_N64() ? + "E-p:64:64:64-i8:8:32-i16:16:32-i64:64:64-f128:128:128-" + "n32:64-S128" : + "E-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32-S64")), + InstrInfo(MipsInstrInfo::create(*this)), + FrameLowering(MipsFrameLowering::create(*this, Subtarget)), + TLInfo(MipsTargetLowering::create(*this)), + TSInfo(*this), JITInfo() { + initAsmInfo(); +} + + +void MipsTargetMachine::setHelperClassesMips16() { + InstrInfoSE.swap(InstrInfo); + FrameLoweringSE.swap(FrameLowering); + TLInfoSE.swap(TLInfo); + if (!InstrInfo16) { + InstrInfo.reset(MipsInstrInfo::create(*this)); + FrameLowering.reset(MipsFrameLowering::create(*this, Subtarget)); + TLInfo.reset(MipsTargetLowering::create(*this)); + } else { + InstrInfo16.swap(InstrInfo); + FrameLowering16.swap(FrameLowering); + TLInfo16.swap(TLInfo); } + assert(TLInfo && "null target lowering 16"); + assert(InstrInfo && "null instr info 16"); + assert(FrameLowering && "null frame lowering 16"); } +void MipsTargetMachine::setHelperClassesMipsSE() { + InstrInfo16.swap(InstrInfo); + FrameLowering16.swap(FrameLowering); + TLInfo16.swap(TLInfo); + if (!InstrInfoSE) { + InstrInfo.reset(MipsInstrInfo::create(*this)); + FrameLowering.reset(MipsFrameLowering::create(*this, Subtarget)); + TLInfo.reset(MipsTargetLowering::create(*this)); + } else { + InstrInfoSE.swap(InstrInfo); + FrameLoweringSE.swap(FrameLowering); + TLInfoSE.swap(TLInfo); + } + assert(TLInfo && "null target lowering in SE"); + assert(InstrInfo && "null instr info SE"); + assert(FrameLowering && "null frame lowering SE"); +} +void MipsebTargetMachine::anchor() { } + +MipsebTargetMachine:: +MipsebTargetMachine(const Target &T, StringRef TT, + StringRef CPU, StringRef FS, const TargetOptions &Options, + Reloc::Model RM, CodeModel::Model CM, + CodeGenOpt::Level OL) + : MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {} + +void MipselTargetMachine::anchor() { } + MipselTargetMachine:: -MipselTargetMachine(const Target &T, const std::string &TT, - const std::string &CPU, const std::string &FS) : - MipsTargetMachine(T, TT, CPU, FS, true) {} +MipselTargetMachine(const Target &T, StringRef TT, + StringRef CPU, StringRef FS, const TargetOptions &Options, + Reloc::Model RM, CodeModel::Model CM, + CodeGenOpt::Level OL) + : MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {} + +namespace { +/// Mips Code Generator Pass Configuration Options. +class MipsPassConfig : public TargetPassConfig { +public: + MipsPassConfig(MipsTargetMachine *TM, PassManagerBase &PM) + : TargetPassConfig(TM, PM) {} + + MipsTargetMachine &getMipsTargetMachine() const { + return getTM(); + } + const MipsSubtarget &getMipsSubtarget() const { + return *getMipsTargetMachine().getSubtargetImpl(); + } + + virtual void addIRPasses(); + virtual bool addInstSelector(); + virtual bool addPreEmitPass(); +}; +} // namespace + +TargetPassConfig *MipsTargetMachine::createPassConfig(PassManagerBase &PM) { + return new MipsPassConfig(this, PM); +} + +void MipsPassConfig::addIRPasses() { + TargetPassConfig::addIRPasses(); + if (getMipsSubtarget().os16()) + addPass(createMipsOs16(getMipsTargetMachine())); + if (getMipsSubtarget().inMips16HardFloat()) + addPass(createMips16HardFloat(getMipsTargetMachine())); + addPass(createMipsOptimizeMathLibCalls(getMipsTargetMachine())); +} // Install an instruction selector pass using // the ISelDag to gen Mips code. -bool MipsTargetMachine:: -addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel) -{ - PM.add(createMipsISelDag(*this)); +bool MipsPassConfig::addInstSelector() { + if (getMipsSubtarget().allowMixed16_32()) { + addPass(createMipsModuleISelDag(getMipsTargetMachine())); + addPass(createMips16ISelDag(getMipsTargetMachine())); + addPass(createMipsSEISelDag(getMipsTargetMachine())); + } else { + addPass(createMipsISelDag(getMipsTargetMachine())); + } return false; } +void MipsTargetMachine::addAnalysisPasses(PassManagerBase &PM) { + if (Subtarget.allowMixed16_32()) { + DEBUG(errs() << "No "); + //FIXME: The Basic Target Transform Info + // pass needs to become a function pass instead of + // being an immutable pass and then this method as it exists now + // would be unnecessary. + PM.add(createNoTargetTransformInfoPass()); + } else + LLVMTargetMachine::addAnalysisPasses(PM); + DEBUG(errs() << "Target Transform Info Pass Added\n"); +} + // Implemented by targets that want to run passes immediately before // machine code is emitted. return true if -print-machineinstrs should // print out the code after the passes. -bool MipsTargetMachine:: -addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel) -{ - PM.add(createMipsDelaySlotFillerPass(*this)); - return true; -} +bool MipsPassConfig::addPreEmitPass() { + MipsTargetMachine &TM = getMipsTargetMachine(); + const MipsSubtarget &Subtarget = TM.getSubtarget(); + addPass(createMipsDelaySlotFillerPass(TM)); + + if (Subtarget.hasStandardEncoding() || + Subtarget.allowMixed16_32()) + addPass(createMipsLongBranchPass(TM)); + if (Subtarget.inMips16Mode() || + Subtarget.allowMixed16_32()) + addPass(createMipsConstantIslandPass(TM)); -bool MipsTargetMachine:: -addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel) { - PM.add(createMipsEmitGPRestorePass(*this)); return true; } -bool MipsTargetMachine:: -addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel) { - PM.add(createMipsExpandPseudoPass(*this)); - return true; +bool MipsTargetMachine::addCodeEmitter(PassManagerBase &PM, + JITCodeEmitter &JCE) { + // Machine code emitter pass for Mips. + PM.add(createMipsJITCodeEmitterPass(*this, JCE)); + return false; }