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minor speedup

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llvm-svn: 30065
This commit is contained in:
Chris Lattner 2006-09-03 07:53:50 +00:00
parent ff7657a869
commit 4890186e93
1 changed files with 3 additions and 3 deletions
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6
lib/CodeGen/LiveIntervalAnalysis.cpp
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@ -161,7 +161,7 @@ bool LiveIntervals::runOnMachineFunction(MachineFunction &fn) {
numIntervalsAfter += getNumIntervals();
// perform a final pass over the instructions and compute spill
// weights, coalesce virtual registers and remove identity moves
// weights, coalesce virtual registers and remove identity moves.
const LoopInfo& loopInfo = getAnalysis<LoopInfo>();
for (MachineFunction::iterator mbbi = mf_->begin(), mbbe = mf_->end();
@ -182,8 +182,8 @@ bool LiveIntervals::runOnMachineFunction(MachineFunction &fn) {
++numPeep;
}
else {
for (unsigned i = 0; i < mii->getNumOperands(); ++i) {
const MachineOperand& mop = mii->getOperand(i);
for (unsigned i = 0, e = mii->getNumOperands(); i != e; ++i) {
const MachineOperand &mop = mii->getOperand(i);
if (mop.isRegister() && mop.getReg() &&
MRegisterInfo::isVirtualRegister(mop.getReg())) {
// replace register with representative register