[PATCH] D137388: [X86] Add necessary check isReg() when updating LiveVariables in convertToThreeAddress

[Bing Yu via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG5bc36c8cb483: [X86] Add necessary check isReg() when updating LiveVariables in… (authored by yubing).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D137388/new/

https://reviews.llvm.org/D137388

Files:
  llvm/lib/Target/X86/X86InstrInfo.cpp


Index: llvm/lib/Target/X86/X86InstrInfo.cpp
===================================================================
--- llvm/lib/Target/X86/X86InstrInfo.cpp
+++ llvm/lib/Target/X86/X86InstrInfo.cpp
@@ -1768,7 +1768,7 @@
   if (LV) {  // Update live variables
     for (unsigned I = 0; I < NumRegOperands; ++I) {
       MachineOperand &Op = MI.getOperand(I);
-      if (Op.isDead() || Op.isKill())
+      if (Op.isReg() && (Op.isDead() || Op.isKill()))
         LV->replaceKillInstruction(Op.getReg(), MI, *NewMI);
     }
   }


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