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MachineInstr::isPredicable() is no longer needed.

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llvm-svn: 37599
This commit is contained in:
Evan Cheng 2007-06-15 19:06:07 +00:00
parent 13a9ca69bc
commit 88c463eb8c
2 changed files with 5 additions and 10 deletions
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11
lib/CodeGen/IfConversion.cpp
View File

@ -447,7 +447,7 @@ void IfConverter::ScanInstructions(BBInfo &BBI) {
if (TID->Flags & M_CLOBBERS_PRED)
BBI.ClobbersPred = true;
if (!I->isPredicable()) {
if ((TID->Flags & M_PREDICABLE) == 0) {
BBI.IsUnpredicable = true;
return;
}
@ -881,7 +881,8 @@ bool IfConverter::IfConvertDiamond(BBInfo &BBI) {
while (TT != BBI.TrueBB->end() && FT != BBI.FalseBB->end()) {
if (TT->isIdenticalTo(FT))
Dups.push_back(TT); // Will erase these later.
else if (!TT->isPredicable() && !FT->isPredicable())
else if ((TT->getInstrDescriptor()->Flags & M_PREDICABLE) == 0 ||
(FT->getInstrDescriptor()->Flags & M_PREDICABLE) == 0)
return false; // Can't if-convert. Abort!
++TT;
++FT;
@ -890,15 +891,13 @@ bool IfConverter::IfConvertDiamond(BBInfo &BBI) {
// One of the two pathes have more terminators, make sure they are
// all predicable.
while (TT != BBI.TrueBB->end()) {
if (!TT->isPredicable()) {
if ((TT->getInstrDescriptor()->Flags & M_PREDICABLE) == 0)
return false; // Can't if-convert. Abort!
}
++TT;
}
while (FT != BBI.FalseBB->end()) {
if (!FT->isPredicable()) {
if ((FT->getInstrDescriptor()->Flags & M_PREDICABLE) == 0)
return false; // Can't if-convert. Abort!
}
++FT;
}
}

4
lib/CodeGen/MachineInstr.cpp
View File

@ -184,10 +184,6 @@ bool MachineOperand::isIdenticalTo(const MachineOperand &Other) const {
}
}
bool MachineInstr::isPredicable() const {
return TID->Flags & M_PREDICABLE;
}
/// findRegisterUseOperandIdx() - Returns the MachineOperand that is a use of
/// the specific register or -1 if it is not found. It further tightening
/// the search criteria to a use that kills the register if isKill is true.