diff options
| -rw-r--r-- | lib/CodeGen/InlineSpiller.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp index d5ea666e4a..c1d9d2757a 100644 --- a/lib/CodeGen/InlineSpiller.cpp +++ b/lib/CodeGen/InlineSpiller.cpp @@ -578,11 +578,11 @@ MachineInstr *InlineSpiller::traceSiblingValue(unsigned UseReg, VNInfo *UseVNI, if (unsigned SrcReg = isFullCopyOf(MI, Reg)) { if (isSibling(SrcReg)) { LiveInterval &SrcLI = LIS.getInterval(SrcReg); - LiveRange *SrcLR = SrcLI.getLiveRangeContaining(VNI->def.getRegSlot(true)); - assert(SrcLR && "Copy from non-existing value"); + LiveRangeQuery SrcQ(SrcLI, VNI->def); + assert(SrcQ.valueIn() && "Copy from non-existing value"); // Check if this COPY kills its source. - SVI->second.KillsSource = (SrcLR->end == VNI->def); - VNInfo *SrcVNI = SrcLR->valno; + SVI->second.KillsSource = SrcQ.isKill(); + VNInfo *SrcVNI = SrcQ.valueIn(); DEBUG(dbgs() << "copy of " << PrintReg(SrcReg) << ':' << SrcVNI->id << '@' << SrcVNI->def << " kill=" << unsigned(SVI->second.KillsSource) << '\n'); |