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MachineInstr::isPredicable() is no longer needed. 

llvm-svn: 37599
This commit is contained in:
Evan Cheng 2007-06-15 19:06:07 +00:00
parent 32312ad370
commit 234a90e83e
2 changed files with 5 additions and 10 deletions
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11
llvm/lib/CodeGen/IfConversion.cpp
View File

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

4
llvm/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 /// findRegisterUseOperandIdx() - Returns the MachineOperand that is a use of
/// the specific register or -1 if it is not found. It further tightening /// 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. /// the search criteria to a use that kills the register if isKill is true.