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
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index 3a1bfc2..76fc580 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -303,10 +303,10 @@
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);
}
}