[PATCH] D147373: [InstCombine] fold double reverses

[Zhengyang Liu via Phabricator via llvm-commits]

liuz added inline comments.


================
Comment at: llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp:2724
+  Instruction *Arith;
+  if (!match(SVI.getOperand(0), m_OneUse(m_Instruction(Arith))))
+    return nullptr;
----------------
junaire wrote:
> FWIW, we have `m_ICmp`
I avoided m_ICmp because this code will support other type of instructions (Unary, Binary, Intrinsic, etc...) in the future.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D147373/new/

https://reviews.llvm.org/D147373