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Modified VNInfo. The "copy" member is now a union which holds the copy for a register interval, or the defining register for a stack interval. Access is via getCopy/setCopy and getReg/setReg.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78620 91177308-0d34-0410-b5e6-96231b3b80d8
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Lang Hames
2009-08-10 23:43:28 +00:00
parent 00edf39b34
commit 52c1afcaea
7 changed files with 67 additions and 46 deletions
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lib/CodeGen/PreAllocSplitting.cpp
+1 -1
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@@ -741,7 +741,7 @@ void PreAllocSplitting::ReconstructLiveInterval(LiveInterval* LI) {
unsigned SrcReg, DstReg, SrcSubIdx, DstSubIdx;
if (TII->isMoveInstr(*DI, SrcReg, DstReg, SrcSubIdx, DstSubIdx))
if (DstReg == LI->reg)
NewVN->copy = &*DI;
NewVN->setCopy(&*DI);
NewVNs[&*DI] = NewVN;
}