[PATCH] D57234: [X86] Simplify X86ISD::ADD/SUB if we don't use the result flag

[Sanjay Patel via Phabricator via llvm-commits]

spatel accepted this revision.
spatel added a comment.
This revision is now accepted and ready to land.

LGTM



================
Comment at: lib/Target/X86/X86ISelLowering.cpp:40451
+  // If we don't use the flag result, simplify back to a simple ADD/SUB.
+  if (N->hasAnyUseOfValue(1))
+    return SDValue();
----------------
Assert that the incoming opcode is X86ISD::ADD or X86ISD::SUB?


Repository:
  rL LLVM

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  https://reviews.llvm.org/D57234/new/

https://reviews.llvm.org/D57234