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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34593 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-02-25 09:39:02 +00:00
parent 5e265b29ea
commit bc025fbb64

View File

@ -303,10 +303,10 @@ void RA::linearScan()
for (unsigned i = 0, e = handled_.size(); i != e; ++i) {
LiveInterval *HI = handled_[i];
if (HI->liveAt(StartIdx)) {
unsigned Reg = HI->reg;
if (MRegisterInfo::isVirtualRegister(Reg))
Reg = vrm_->getPhys(Reg);
unsigned Reg = HI->reg;
if (!vrm_->hasStackSlot(Reg) && HI->liveAt(StartIdx)) {
assert(MRegisterInfo::isVirtualRegister(Reg));
Reg = vrm_->getPhys(Reg);
MBB->addLiveIn(Reg);
}
}