[PATCH] D54710: [x86] don't try to convert add with undef operands to LEA

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 175709.
spatel added a comment.

Patch updated:
Replace the existing code for undef LEA optimization with asserts.
This seems similar to me to how we handle an undef EFLAGS operand at line 2645 of the original file.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D54710/new/

https://reviews.llvm.org/D54710

Files:
  lib/Target/X86/X86InstrInfo.cpp
  lib/Target/X86/X86InstrInfo.h
  test/CodeGen/X86/GlobalISel/undef.ll

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