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Reduce usage of MRegisterInfo::getRegClass

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15784 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-08-15 22:23:09 +00:00
parent f02b37da6f
commit 3bba026994
2 changed files with 3 additions and 3 deletions
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2
lib/CodeGen/LiveIntervalAnalysis.cpp
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@ -661,7 +661,7 @@ bool LiveIntervals::differingRegisterClasses(unsigned RegA,
if (MRegisterInfo::isVirtualRegister(RegB))
return RegClass != mf_->getSSARegMap()->getRegClass(RegB);
else
return RegClass != mri_->getRegClass(RegB);
return RegClass->contains(RegB);
}
bool LiveIntervals::overlapsAliases(const LiveInterval *LHS,

4
lib/CodeGen/RegAllocLocal.cpp
View File

@ -391,7 +391,7 @@ unsigned RA::getReg(MachineBasicBlock &MBB, MachineInstr *I,
"PhysReg in PhysRegsUseOrder, but is not allocated?");
if (PhysRegsUsed[R]) {
// If the current register is compatible, use it.
if (RegInfo->getRegClass(R) == RC) {
if (RC->contains(R)) {
PhysReg = R;
break;
} else {
@ -399,7 +399,7 @@ unsigned RA::getReg(MachineBasicBlock &MBB, MachineInstr *I,
// compatible, use it.
for (const unsigned *AliasSet = RegInfo->getAliasSet(R);
*AliasSet; ++AliasSet) {
if (RegInfo->getRegClass(*AliasSet) == RC) {
if (RC->contains(*AliasSet)) {
PhysReg = *AliasSet; // Take an aliased register
break;
}