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Only add liveinterval to livein set if it isn't assigned a stack slot.

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llvm-svn: 34593
This commit is contained in:
Evan Cheng 2007-02-25 09:39:02 +00:00
parent 65ba08d627
commit 9968353d64
1 changed files with 4 additions and 4 deletions
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4
lib/CodeGen/RegAllocLinearScan.cpp
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@ -303,9 +303,9 @@ void RA::linearScan()
for (unsigned i = 0, e = handled_.size(); i != e; ++i) { for (unsigned i = 0, e = handled_.size(); i != e; ++i) {
LiveInterval *HI = handled_[i]; LiveInterval *HI = handled_[i];
if (HI->liveAt(StartIdx)) {
unsigned Reg = HI->reg; unsigned Reg = HI->reg;
if (MRegisterInfo::isVirtualRegister(Reg)) if (!vrm_->hasStackSlot(Reg) && HI->liveAt(StartIdx)) {
assert(MRegisterInfo::isVirtualRegister(Reg));
Reg = vrm_->getPhys(Reg); Reg = vrm_->getPhys(Reg);
MBB->addLiveIn(Reg); MBB->addLiveIn(Reg);
} }