[PATCH] D25913: [InstCombine] Fold nuw left-shifts in `ugt`/`ule` comparisons.

Eli Friedman via llvm-commits llvm-commits at lists.llvm.org
Tue Nov 1 10:14:32 PDT 2016


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

Just one minor comment.



================
Comment at: lib/Transforms/InstCombine/InstCombineCompares.cpp:1960
+    if (X->getType()->isVectorTy())
+      CTy = VectorType::get(CTy, X->getType()->getVectorNumElements());
+    // Derivation for the ult case:
----------------
Isn't CTy always equal to "X->getType()"?


Repository:
  rL LLVM

https://reviews.llvm.org/D25913





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