diff options
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 43a092a4df..d32fc62379 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -315,7 +315,6 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, const LiveRange *OldLR = interval.getLiveRangeContaining(RedefIndex-1); VNInfo *OldValNo = OldLR->valno; - unsigned OldEnd = OldLR->end; // Delete the initial value, which should be short and continuous, // because the 2-addr copy must be in the same MBB as the redef. @@ -328,7 +327,8 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, // The new value number (#1) is defined by the instruction we claimed // defined value #0. VNInfo *ValNo = interval.getNextValue(0, 0, VNInfoAllocator); - interval.copyValNumInfo(ValNo, OldValNo); + ValNo->def = OldValNo->def; + ValNo->reg = OldValNo->reg; // Value#0 is now defined by the 2-addr instruction. OldValNo->def = RedefIndex; @@ -339,7 +339,6 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, DOUT << " replace range with " << LR; interval.addRange(LR); interval.addKill(ValNo, RedefIndex); - interval.removeKills(ValNo, RedefIndex, OldEnd); // If this redefinition is dead, we need to add a dummy unit live // range covering the def slot. |