[PATCH] D150378: [Instsimplfy] X == Y ? 0 : X - Y --> X - Y

[Jun Zhang via Phabricator via llvm-commits]

junaire marked an inline comment as done.
junaire added inline comments.


================
Comment at: llvm/lib/Analysis/InstructionSimplify.cpp:4252
+      if (Opcode == Instruction::Sub && NewOps[0] == NewOps[1])
+        return ::simplifyInstructionWithOperands(I, NewOps, Q, MaxRecurse - 1);
+
----------------
goldstein.w.n wrote:
> I think this can just return zero.
Done, thx.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D150378/new/

https://reviews.llvm.org/D150378