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Diffstat (limited to 'lib/Target/Sparc/SparcTargetMachine.cpp')
-rw-r--r-- | lib/Target/Sparc/SparcTargetMachine.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/lib/Target/Sparc/SparcTargetMachine.cpp b/lib/Target/Sparc/SparcTargetMachine.cpp new file mode 100644 index 0000000..eda0309 --- /dev/null +++ b/lib/Target/Sparc/SparcTargetMachine.cpp @@ -0,0 +1,94 @@ +//===-- SparcTargetMachine.cpp - Define TargetMachine for Sparc -----------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// +//===----------------------------------------------------------------------===// + +#include "SparcTargetAsmInfo.h" +#include "SparcTargetMachine.h" +#include "Sparc.h" +#include "llvm/Module.h" +#include "llvm/PassManager.h" +#include "llvm/Target/TargetMachineRegistry.h" +using namespace llvm; + +/// SparcTargetMachineModule - Note that this is used on hosts that +/// cannot link in a library unless there are references into the +/// library. In particular, it seems that it is not possible to get +/// things to work on Win32 without this. Though it is unused, do not +/// remove it. +extern "C" int SparcTargetMachineModule; +int SparcTargetMachineModule = 0; + +// Register the target. +static RegisterTarget<SparcTargetMachine> X("sparc", "SPARC"); + +const TargetAsmInfo *SparcTargetMachine::createTargetAsmInfo() const { + // FIXME: Handle Solaris subtarget someday :) + return new SparcELFTargetAsmInfo(*this); +} + +/// SparcTargetMachine ctor - Create an ILP32 architecture model +/// +SparcTargetMachine::SparcTargetMachine(const Module &M, const std::string &FS) + : DataLayout("E-p:32:32-f128:128:128"), + Subtarget(M, FS), TLInfo(*this), InstrInfo(Subtarget), + FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) { +} + +unsigned SparcTargetMachine::getModuleMatchQuality(const Module &M) { + std::string TT = M.getTargetTriple(); + if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "sparc-") + return 20; + + // If the target triple is something non-sparc, we don't match. + if (!TT.empty()) return 0; + + if (M.getEndianness() == Module::BigEndian && + M.getPointerSize() == Module::Pointer32) +#ifdef __sparc__ + return 20; // BE/32 ==> Prefer sparc on sparc +#else + return 5; // BE/32 ==> Prefer ppc elsewhere +#endif + else if (M.getEndianness() != Module::AnyEndianness || + M.getPointerSize() != Module::AnyPointerSize) + return 0; // Match for some other target + +#if defined(__sparc__) + return 10; +#else + return 0; +#endif +} + +bool SparcTargetMachine::addInstSelector(PassManagerBase &PM, + CodeGenOpt::Level OptLevel) { + PM.add(createSparcISelDag(*this)); + return false; +} + +/// addPreEmitPass - This pass may be implemented by targets that want to run +/// passes immediately before machine code is emitted. This should return +/// true if -print-machineinstrs should print out the code after the passes. +bool SparcTargetMachine::addPreEmitPass(PassManagerBase &PM, + CodeGenOpt::Level OptLevel){ + PM.add(createSparcFPMoverPass(*this)); + PM.add(createSparcDelaySlotFillerPass(*this)); + return true; +} + +bool SparcTargetMachine::addAssemblyEmitter(PassManagerBase &PM, + CodeGenOpt::Level OptLevel, + bool Verbose, + raw_ostream &Out) { + // Output assembly language. + PM.add(createSparcCodePrinterPass(Out, *this, OptLevel, Verbose)); + return false; +} |