1 //===-- SparcTargetMachine.cpp - Define TargetMachine for Sparc -----------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 //===----------------------------------------------------------------------===//
13 #include "SparcTargetAsmInfo.h"
14 #include "SparcTargetMachine.h"
16 #include "llvm/Module.h"
17 #include "llvm/PassManager.h"
18 #include "llvm/Target/TargetMachineRegistry.h"
21 // Register the target.
22 static RegisterTarget<SparcTargetMachine> X("sparc", "SPARC");
24 // No assembler printer by default
25 SparcTargetMachine::AsmPrinterCtorFn SparcTargetMachine::AsmPrinterCtor = 0;
28 // Force static initialization.
29 extern "C" void LLVMInitializeSparcTarget() { }
31 const TargetAsmInfo *SparcTargetMachine::createTargetAsmInfo() const {
32 // FIXME: Handle Solaris subtarget someday :)
33 return new SparcELFTargetAsmInfo(*this);
36 /// SparcTargetMachine ctor - Create an ILP32 architecture model
38 SparcTargetMachine::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) {
44 unsigned SparcTargetMachine::getModuleMatchQuality(const Module &M) {
45 std::string TT = M.getTargetTriple();
46 if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "sparc-")
49 // If the target triple is something non-sparc, we don't match.
50 if (!TT.empty()) return 0;
52 if (M.getEndianness() == Module::BigEndian &&
53 M.getPointerSize() == Module::Pointer32)
55 return 20; // BE/32 ==> Prefer sparc on sparc
57 return 5; // BE/32 ==> Prefer ppc elsewhere
59 else if (M.getEndianness() != Module::AnyEndianness ||
60 M.getPointerSize() != Module::AnyPointerSize)
61 return 0; // Match for some other target
63 #if defined(__sparc__)
70 bool SparcTargetMachine::addInstSelector(PassManagerBase &PM,
71 CodeGenOpt::Level OptLevel) {
72 PM.add(createSparcISelDag(*this));
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.
79 bool SparcTargetMachine::addPreEmitPass(PassManagerBase &PM,
80 CodeGenOpt::Level OptLevel){
81 PM.add(createSparcFPMoverPass(*this));
82 PM.add(createSparcDelaySlotFillerPass(*this));
86 bool SparcTargetMachine::addAssemblyEmitter(PassManagerBase &PM,
87 CodeGenOpt::Level OptLevel,
90 // Output assembly language.
91 assert(AsmPrinterCtor && "AsmPrinter was not linked in");
93 PM.add(AsmPrinterCtor(Out, *this, OptLevel, Verbose));