diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-03 00:04:37 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-03 00:04:37 +0000 |
| commit | 273f7e42994a5bce0614d04d96dbfdf05fd652e5 (patch) | |
| tree | 5963df402c4f6ba2641e0e869ddafa71fd5aa850 /lib/CodeGen/PreAllocSplitting.cpp | |
| parent | 43b8fd728b889f15ea4c65ca957a7420ce2905cd (diff) | |
Detect and handle COPY in many places.
This code is transitional, it will soon be possible to eliminate
isExtractSubreg, isInsertSubreg, and isMoveInstr in most places.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107547 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/PreAllocSplitting.cpp')
| -rw-r--r-- | lib/CodeGen/PreAllocSplitting.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/PreAllocSplitting.cpp b/lib/CodeGen/PreAllocSplitting.cpp index 8784dc965c..fbe99188cc 100644 --- a/lib/CodeGen/PreAllocSplitting.cpp +++ b/lib/CodeGen/PreAllocSplitting.cpp @@ -677,10 +677,12 @@ void PreAllocSplitting::ReconstructLiveInterval(LiveInterval* LI) { // If the def is a move, set the copy field. unsigned SrcReg, DstReg, SrcSubIdx, DstSubIdx; - if (TII->isMoveInstr(*DI, SrcReg, DstReg, SrcSubIdx, DstSubIdx)) + if (TII->isMoveInstr(*DI, SrcReg, DstReg, SrcSubIdx, DstSubIdx)) { if (DstReg == LI->reg) NewVN->setCopy(&*DI); - + } else if (DI->isCopyLike() && DI->getOperand(0).getReg() == LI->reg) + NewVN->setCopy(&*DI); + NewVNs[&*DI] = NewVN; } |