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cbgTargetMachine.cpp
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cbgTargetMachine.cpp
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//===-- cbgTargetMachine.cpp - Define TargetMachine for cbg -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
#include "cbg.h"
#include "cbgMCAsmInfo.h"
#include "cbgTargetMachine.h"
#include "llvm/PassManager.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Target/TargetRegistry.h"
using namespace llvm;
extern "C" void LLVMInitializecbgTarget() {
// Register the target.
RegisterTargetMachine<cbgV8TargetMachine> X(ThecbgTarget);
RegisterAsmInfo<cbgELFMCAsmInfo> A(ThecbgTarget);
}
/// cbgTargetMachine ctor - Create an ILP32 architecture model
///
cbgTargetMachine::cbgTargetMachine(const Target &T, const std::string &TT,
const std::string &FS)
: LLVMTargetMachine(T, TT),
Subtarget(TT, FS),
DataLayout(Subtarget.getDataLayout()),
TLInfo(*this), TSInfo(*this), InstrInfo(Subtarget),
FrameLowering(Subtarget) {
}
bool cbgTargetMachine::addInstSelector(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
PM.add(createcbgISelDag(*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 cbgTargetMachine::addPreEmitPass(PassManagerBase &PM,
CodeGenOpt::Level OptLevel){
if (Subtarget.hasPredBlocksCC()) {
PM.add(createcbgPredBlockCCPass(*this));
} else if (Subtarget.hasPredBlocksReg()) {
PM.add(createcbgPredBlockRegPass(*this));
} else if (Subtarget.hasPredInstrCC()) {
PM.add(createcbgPredInstrCCPass(*this));
} else if (Subtarget.hasPredInstrReg()) {
PM.add(createcbgPredInstrRegPass(*this));
}
if (Subtarget.hasHWLoop()) {
PM.add(createcbgHWLoopPass(*this, 1, Subtarget.hasHWLoopOpt()));
} else if (Subtarget.hasHWLoops()) {
PM.add(createcbgHWLoopPass(*this, 2, Subtarget.hasHWLoopOpt()));
}
PM.add(createcbgFPMoverPass(*this));
PM.add(createcbgDelaySlotFillerPass(*this));
return true;
}
cbgV8TargetMachine::cbgV8TargetMachine(const Target &T,
const std::string &TT,
const std::string &FS)
: cbgTargetMachine(T, TT, FS) {
}