SparcTargetMachine.cpp revision a96751fc8ff1cc9a225ffbba73de53e2b9e1ae35
1//===-- SparcTargetMachine.cpp - Define TargetMachine for Sparc -----------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// 11//===----------------------------------------------------------------------===// 12 13#include "SparcTargetAsmInfo.h" 14#include "SparcTargetMachine.h" 15#include "Sparc.h" 16#include "llvm/Module.h" 17#include "llvm/PassManager.h" 18#include "llvm/Target/TargetMachineRegistry.h" 19using namespace llvm; 20 21// Register the target. 22static RegisterTarget<SparcTargetMachine> X("sparc", "SPARC"); 23 24// No assembler printer by default 25SparcTargetMachine::AsmPrinterCtorFn SparcTargetMachine::AsmPrinterCtor = 0; 26 27 28// Force static initialization. 29extern "C" void LLVMInitializeSparcTarget() { } 30 31const TargetAsmInfo *SparcTargetMachine::createTargetAsmInfo() const { 32 // FIXME: Handle Solaris subtarget someday :) 33 return new SparcELFTargetAsmInfo(*this); 34} 35 36/// SparcTargetMachine ctor - Create an ILP32 architecture model 37/// 38SparcTargetMachine::SparcTargetMachine(const Module &M, const std::string &FS) 39 : DataLayout("E-p:32:32-f128:128:128"), 40 Subtarget(M, FS), TLInfo(*this), InstrInfo(Subtarget), 41 FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) { 42} 43 44unsigned SparcTargetMachine::getModuleMatchQuality(const Module &M) { 45 std::string TT = M.getTargetTriple(); 46 if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "sparc-") 47 return 20; 48 49 // If the target triple is something non-sparc, we don't match. 50 if (!TT.empty()) return 0; 51 52 if (M.getEndianness() == Module::BigEndian && 53 M.getPointerSize() == Module::Pointer32) 54#ifdef __sparc__ 55 return 20; // BE/32 ==> Prefer sparc on sparc 56#else 57 return 5; // BE/32 ==> Prefer ppc elsewhere 58#endif 59 else if (M.getEndianness() != Module::AnyEndianness || 60 M.getPointerSize() != Module::AnyPointerSize) 61 return 0; // Match for some other target 62 63#if defined(__sparc__) 64 return 10; 65#else 66 return 0; 67#endif 68} 69 70bool SparcTargetMachine::addInstSelector(PassManagerBase &PM, 71 CodeGenOpt::Level OptLevel) { 72 PM.add(createSparcISelDag(*this)); 73 return false; 74} 75 76/// addPreEmitPass - This pass may be implemented by targets that want to run 77/// passes immediately before machine code is emitted. This should return 78/// true if -print-machineinstrs should print out the code after the passes. 79bool SparcTargetMachine::addPreEmitPass(PassManagerBase &PM, 80 CodeGenOpt::Level OptLevel){ 81 PM.add(createSparcFPMoverPass(*this)); 82 PM.add(createSparcDelaySlotFillerPass(*this)); 83 return true; 84} 85 86bool SparcTargetMachine::addAssemblyEmitter(PassManagerBase &PM, 87 CodeGenOpt::Level OptLevel, 88 bool Verbose, 89 raw_ostream &Out) { 90 // Output assembly language. 91 assert(AsmPrinterCtor && "AsmPrinter was not linked in"); 92 if (AsmPrinterCtor) 93 PM.add(AsmPrinterCtor(Out, *this, OptLevel, Verbose)); 94 return false; 95} 96