diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/TargetInstrInfo.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/TargetInstrInfo.cpp b/llvm/lib/CodeGen/TargetInstrInfo.cpp index 165df0696ef..8f1553b13a9 100644 --- a/llvm/lib/CodeGen/TargetInstrInfo.cpp +++ b/llvm/lib/CodeGen/TargetInstrInfo.cpp @@ -144,6 +144,8 @@ MachineInstr *TargetInstrInfo::commuteInstruction(MachineInstr *MI, bool Reg2IsKill = MI->getOperand(Idx2).isKill(); bool Reg1IsUndef = MI->getOperand(Idx1).isUndef(); bool Reg2IsUndef = MI->getOperand(Idx2).isUndef(); + bool Reg1IsInternal = MI->getOperand(Idx1).isInternalRead(); + bool Reg2IsInternal = MI->getOperand(Idx2).isInternalRead(); // If destination is tied to either of the commuted source register, then // it must be updated. if (HasDef && Reg0 == Reg1 && @@ -176,6 +178,8 @@ MachineInstr *TargetInstrInfo::commuteInstruction(MachineInstr *MI, MI->getOperand(Idx1).setIsKill(Reg2IsKill); MI->getOperand(Idx2).setIsUndef(Reg1IsUndef); MI->getOperand(Idx1).setIsUndef(Reg2IsUndef); + MI->getOperand(Idx2).setIsInternalRead(Reg1IsInternal); + MI->getOperand(Idx1).setIsInternalRead(Reg2IsInternal); return MI; } |
