[PATCH] D114357: [CodeGen][AArch64] Ensure isSExtCheaperThanZExt returns true for negative constants

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


================
Comment at: llvm/lib/Target/AArch64/AArch64ISelLowering.h:1143
+  bool isSExtCheaperThanZExt(EVT SrcVT, EVT DstVT, SDValue V) const override {
+    if (V == SDValue())
+      return false;
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I think you can write `if (!V)`


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D114357/new/

https://reviews.llvm.org/D114357