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f785676f2a
all of the features in the current working draft of the upcoming C++ standard, provisionally named C++1y. The code generator's performance is greatly increased, and the loop auto-vectorizer is now enabled at -Os and -O2 in addition to -O3. The PowerPC backend has made several major improvements to code generation quality and compile time, and the X86, SPARC, ARM32, Aarch64 and SystemZ backends have all seen major feature work. Release notes for llvm and clang can be found here: <http://llvm.org/releases/3.4/docs/ReleaseNotes.html> <http://llvm.org/releases/3.4/tools/clang/docs/ReleaseNotes.html> MFC after: 1 month
105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
//===-- SparcTargetMachine.cpp - Define TargetMachine for Sparc -----------===//
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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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//
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//===----------------------------------------------------------------------===//
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#include "SparcTargetMachine.h"
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#include "Sparc.h"
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#include "llvm/CodeGen/Passes.h"
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#include "llvm/PassManager.h"
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#include "llvm/Support/TargetRegistry.h"
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using namespace llvm;
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extern "C" void LLVMInitializeSparcTarget() {
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// Register the target.
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RegisterTargetMachine<SparcV8TargetMachine> X(TheSparcTarget);
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RegisterTargetMachine<SparcV9TargetMachine> Y(TheSparcV9Target);
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}
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/// SparcTargetMachine ctor - Create an ILP32 architecture model
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///
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SparcTargetMachine::SparcTargetMachine(const Target &T, StringRef TT,
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StringRef CPU, StringRef FS,
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const TargetOptions &Options,
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL,
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bool is64bit)
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: LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
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Subtarget(TT, CPU, FS, is64bit),
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DL(Subtarget.getDataLayout()),
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InstrInfo(Subtarget),
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TLInfo(*this), TSInfo(*this),
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FrameLowering(Subtarget) {
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initAsmInfo();
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}
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namespace {
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/// Sparc Code Generator Pass Configuration Options.
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class SparcPassConfig : public TargetPassConfig {
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public:
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SparcPassConfig(SparcTargetMachine *TM, PassManagerBase &PM)
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: TargetPassConfig(TM, PM) {}
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SparcTargetMachine &getSparcTargetMachine() const {
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return getTM<SparcTargetMachine>();
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}
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virtual bool addInstSelector();
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virtual bool addPreEmitPass();
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};
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} // namespace
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TargetPassConfig *SparcTargetMachine::createPassConfig(PassManagerBase &PM) {
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return new SparcPassConfig(this, PM);
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}
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bool SparcPassConfig::addInstSelector() {
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addPass(createSparcISelDag(getSparcTargetMachine()));
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return false;
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}
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bool SparcTargetMachine::addCodeEmitter(PassManagerBase &PM,
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JITCodeEmitter &JCE) {
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// Machine code emitter pass for Sparc.
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PM.add(createSparcJITCodeEmitterPass(*this, JCE));
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return false;
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}
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/// addPreEmitPass - This pass may be implemented by targets that want to run
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/// passes immediately before machine code is emitted. This should return
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/// true if -print-machineinstrs should print out the code after the passes.
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bool SparcPassConfig::addPreEmitPass(){
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addPass(createSparcDelaySlotFillerPass(getSparcTargetMachine()));
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return true;
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}
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void SparcV8TargetMachine::anchor() { }
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SparcV8TargetMachine::SparcV8TargetMachine(const Target &T,
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StringRef TT, StringRef CPU,
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StringRef FS,
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const TargetOptions &Options,
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Reloc::Model RM,
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CodeModel::Model CM,
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CodeGenOpt::Level OL)
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: SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {
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}
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void SparcV9TargetMachine::anchor() { }
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SparcV9TargetMachine::SparcV9TargetMachine(const Target &T,
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StringRef TT, StringRef CPU,
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StringRef FS,
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const TargetOptions &Options,
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Reloc::Model RM,
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CodeModel::Model CM,
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CodeGenOpt::Level OL)
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: SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {
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}
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