diff options
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 99d94c3015..2ad9158436 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -454,14 +454,13 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb, // Value#0 is now defined by the 2-addr instruction. OldValNo->def = RedefIndex; - if (!PartReDef) - OldValNo->setCopy(0); - else { - // A re-def may be a copy. e.g. %reg1030:6<def> = VMOVD %reg1026, ... - unsigned SrcReg, DstReg, SrcSubReg, DstSubReg; - if (tii_->isMoveInstr(*mi, SrcReg, DstReg, SrcSubReg, DstSubReg)) - OldValNo->setCopy(&*mi); - } + OldValNo->setCopy(0); + + // A re-def may be a copy. e.g. %reg1030:6<def> = VMOVD %reg1026, ... + unsigned SrcReg, DstReg, SrcSubReg, DstSubReg; + if (PartReDef && + tii_->isMoveInstr(*mi, SrcReg, DstReg, SrcSubReg, DstSubReg)) + OldValNo->setCopy(&*mi); // Add the new live interval which replaces the range for the input copy. LiveRange LR(DefIndex, RedefIndex, ValNo); |