diff options
| author | Cameron Zwarich <zwarich@apple.com> | 2013-02-20 06:46:32 +0000 |
|---|---|---|
| committer | Cameron Zwarich <zwarich@apple.com> | 2013-02-20 06:46:32 +0000 |
| commit | 2650a82cc4166237f698e3bbc315739e43180431 (patch) | |
| tree | 22ef77167339e588ee867a6dabadc4f9427099eb /lib/CodeGen/PHIElimination.cpp | |
| parent | 4f659eccafe34efea2a4ba6e57ad09977e9157c2 (diff) | |
Avoid recomputing an inserted instruction's SlotIndex.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175597 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/PHIElimination.cpp')
| -rw-r--r-- | lib/CodeGen/PHIElimination.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp index 37e2ee1fae..061c385765 100644 --- a/lib/CodeGen/PHIElimination.cpp +++ b/lib/CodeGen/PHIElimination.cpp @@ -306,10 +306,9 @@ void PHIElimination::LowerPHINode(MachineBasicBlock &MBB, // Update LiveIntervals for the new copy or implicit def. if (LIS) { MachineInstr *NewInstr = prior(AfterPHIsIt); - LIS->InsertMachineInstrInMaps(NewInstr); + SlotIndex DestCopyIndex = LIS->InsertMachineInstrInMaps(NewInstr); SlotIndex MBBStartIndex = LIS->getMBBStartIdx(&MBB); - SlotIndex DestCopyIndex = LIS->getInstructionIndex(NewInstr); if (IncomingReg) { // Add the region from the beginning of MBB to the copy instruction to // IncomingReg's live interval. |