diff options
| -rw-r--r-- | llvm/lib/CodeGen/LiveRangeEdit.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/LiveRangeEdit.cpp b/llvm/lib/CodeGen/LiveRangeEdit.cpp index 264e7f713b9..88fed6212d1 100644 --- a/llvm/lib/CodeGen/LiveRangeEdit.cpp +++ b/llvm/lib/CodeGen/LiveRangeEdit.cpp @@ -272,7 +272,8 @@ void LiveRangeEdit::eliminateDeadDef(MachineInstr *MI, ToShrinkSet &ToShrink, bool ReadsPhysRegs = false; bool isOrigDef = false; unsigned Dest; - if (VRM && MI->getOperand(0).isReg()) { + if (VRM && MI->getOperand(0).isReg() && MI->getOperand(0).isDef()) { + assert(MI->getDesc().getNumDefs() == 1); Dest = MI->getOperand(0).getReg(); unsigned Original = VRM->getOriginal(Dest); LiveInterval &OrigLI = LIS.getInterval(Original); |
