diff options
| -rw-r--r-- | lib/CodeGen/TwoAddressInstructionPass.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp index f5d41c7..cf14b4d 100644 --- a/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -1215,6 +1215,11 @@ TwoAddressInstructionPass::processTiedPairs(MachineInstr *MI, TiedPairList &TiedPairs, unsigned &Dist) { bool IsEarlyClobber = false; + for (unsigned tpi = 0, tpe = TiedPairs.size(); tpi != tpe; ++tpi) { + const MachineOperand &DstMO = MI->getOperand(TiedPairs[tpi].second); + IsEarlyClobber |= DstMO.isEarlyClobber(); + } + bool RemovedKillFlag = false; bool AllUsesCopied = true; unsigned LastCopiedReg = 0; @@ -1225,7 +1230,6 @@ TwoAddressInstructionPass::processTiedPairs(MachineInstr *MI, const MachineOperand &DstMO = MI->getOperand(DstIdx); unsigned RegA = DstMO.getReg(); - IsEarlyClobber |= DstMO.isEarlyClobber(); // Grab RegB from the instruction because it may have changed if the // instruction was commuted. |