SparcTargetMachine.cpp revision c69d56f1154342a57c9bdd4c17a10333e3520127
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/// SparcTargetMachineModule - Note that this is used on hosts that 22/// cannot link in a library unless there are references into the 23/// library. In particular, it seems that it is not possible to get 24/// things to work on Win32 without this. Though it is unused, do not 25/// remove it. 26extern "C" int SparcTargetMachineModule; 27int SparcTargetMachineModule = 0; 28 29// Register the target. 30static RegisterTarget<SparcTargetMachine> X("sparc", "SPARC"); 31 32const TargetAsmInfo *SparcTargetMachine::createTargetAsmInfo() const { 33 // FIXME: Handle Solaris subtarget someday :) 34 return new SparcELFTargetAsmInfo(*this); 35} 36 37/// SparcTargetMachine ctor - Create an ILP32 architecture model 38/// 39SparcTargetMachine::SparcTargetMachine(const Module &M, const std::string &FS) 40 : DataLayout("E-p:32:32-f128:128:128"), 41 Subtarget(M, FS), TLInfo(*this), InstrInfo(Subtarget), 42 FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) { 43} 44 45unsigned SparcTargetMachine::getModuleMatchQuality(const Module &M) { 46 std::string TT = M.getTargetTriple(); 47 if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "sparc-") 48 return 20; 49 50 // If the target triple is something non-sparc, we don't match. 51 if (!TT.empty()) return 0; 52 53 if (M.getEndianness() == Module::BigEndian && 54 M.getPointerSize() == Module::Pointer32) 55#ifdef __sparc__ 56 return 20; // BE/32 ==> Prefer sparc on sparc 57#else 58 return 5; // BE/32 ==> Prefer ppc elsewhere 59#endif 60 else if (M.getEndianness() != Module::AnyEndianness || 61 M.getPointerSize() != Module::AnyPointerSize) 62 return 0; // Match for some other target 63 64#if defined(__sparc__) 65 return 10; 66#else 67 return 0; 68#endif 69} 70 71bool SparcTargetMachine::addInstSelector(PassManagerBase &PM, bool Fast) { 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, bool Fast) { 80 PM.add(createSparcFPMoverPass(*this)); 81 PM.add(createSparcDelaySlotFillerPass(*this)); 82 return true; 83} 84 85bool SparcTargetMachine::addAssemblyEmitter(PassManagerBase &PM, bool Fast, 86 bool Verbose, raw_ostream &Out) { 87 // Output assembly language. 88 PM.add(createSparcCodePrinterPass(Out, *this, Fast, Verbose)); 89 return false; 90} 91