[PATCH] D33096: [GlobalISel][X86] Support add i64 in IA32.

[Guy Blank via Phabricator via llvm-commits]

guyblank added inline comments.


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Comment at: lib/Target/X86/X86InstructionSelector.cpp:590
+
+  // find CarryIn def instruction.
+  MachineInstr *Def = MRI.getVRegDef(CarryInReg);
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I think you should assert/check that the defining instruction is a COPY from eflags.


https://reviews.llvm.org/D33096