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Revert r85346 change to control tail merging by CodeGenOpt::Level.

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I'm going to redo this using the OptimizeForSize function attribute.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85426 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson
2009-10-28 20:46:46 +00:00
parent 90f48e7c91
commit a597103c32
6 changed files with 19 additions and 29 deletions
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13
lib/CodeGen/IfConversion.cpp
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@ -148,11 +148,9 @@ namespace {
const TargetInstrInfo *TII;
bool MadeChange;
int FnNum;
CodeGenOpt::Level OptLevel;
public:
static char ID;
IfConverter(CodeGenOpt::Level OL) :
MachineFunctionPass(&ID), FnNum(-1), OptLevel(OL) {}
IfConverter() : MachineFunctionPass(&ID), FnNum(-1) {}
virtual bool runOnMachineFunction(MachineFunction &MF);
virtual const char *getPassName() const { return "If Converter"; }
@ -221,9 +219,10 @@ namespace {
char IfConverter::ID = 0;
}
FunctionPass *llvm::createIfConverterPass(CodeGenOpt::Level OptLevel) {
return new IfConverter(OptLevel);
}
static RegisterPass<IfConverter>
X("if-converter", "If Converter");
FunctionPass *llvm::createIfConverterPass() { return new IfConverter(); }
bool IfConverter::runOnMachineFunction(MachineFunction &MF) {
TLI = MF.getTarget().getTargetLowering();
@ -363,7 +362,7 @@ bool IfConverter::runOnMachineFunction(MachineFunction &MF) {
BBAnalysis.clear();
if (MadeChange) {
BranchFolder BF(false, OptLevel);
BranchFolder BF(false);
BF.OptimizeFunction(MF, TII,
MF.getTarget().getRegisterInfo(),
getAnalysisIfAvailable<MachineModuleInfo>());