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Use modern API to avoid exposing LiveInterval internals.

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No functional change intended.

llvm-svn: 185733
This commit is contained in:
Jakob Stoklund Olesen 2013-07-05 23:48:07 +00:00
parent 9d2c118af7
commit 9a4ac8fbf0
1 changed files with 3 additions and 5 deletions
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8
lib/CodeGen/RegisterCoalescer.cpp
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@ -743,16 +743,14 @@ bool RegisterCoalescer::reMaterializeTrivialDef(CoalescerPair &CP,
return false;
LiveInterval &SrcInt = LIS->getInterval(SrcReg);
SlotIndex CopyIdx = LIS->getInstructionIndex(CopyMI).getRegSlot(true);
LiveInterval::iterator SrcLR = SrcInt.FindLiveRangeContaining(CopyIdx);
assert(SrcLR != SrcInt.end() && "Live range not found!");
VNInfo *ValNo = SrcLR->valno;
SlotIndex CopyIdx = LIS->getInstructionIndex(CopyMI);
VNInfo *ValNo = LiveRangeQuery(SrcInt, CopyIdx).valueIn();
assert(ValNo && "CopyMI input register not live");
if (ValNo->isPHIDef() || ValNo->isUnused())
return false;
MachineInstr *DefMI = LIS->getInstructionFromIndex(ValNo->def);
if (!DefMI)
return false;
assert(DefMI && "Defining instruction disappeared");
if (DefMI->isCopyLike()) {
IsDefCopy = true;
return false;