[PATCH] D36763: [InstCombine] Teach canEvaluateZExtd and canEvaluateTruncated to handle vector shifts with splat shift amount

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.

We were only allowing ConstantInt before. This patch allows splat of ConstantInt too.


https://reviews.llvm.org/D36763

Files:
  lib/Transforms/InstCombine/InstCombineCasts.cpp
  test/Transforms/InstCombine/cast.ll
  test/Transforms/InstCombine/select-with-bitwise-ops.ll

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