[PATCH] D129844: [InstCombine] Relax "(X & 0xFF00) + xx00 --> (X + xx00) & 0xFF00"

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

(pedantic) The title says 'relax' but is anything this is an additional limitation



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Comment at: llvm/test/Transforms/InstCombine/add.ll:773
+  ret i8 %r
+}
+
----------------
pre-commit this to trunk to show current codegen and rebase the patch to show the diff


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  https://reviews.llvm.org/D129844/new/

https://reviews.llvm.org/D129844