[PATCH] D36498: [InstCombine] Teach foldSelectICmpAnd to recognize a (icmp slt trunc X, 0) and (icmp sgt trunc X, -1) as equivalent to an and with the sign bit of the truncated type
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 15 16:05:52 PDT 2017
craig.topper updated this revision to Diff 111277.
craig.topper added a comment.
Fix mad comment placement
https://reviews.llvm.org/D36498
Files:
lib/Transforms/InstCombine/InstCombineSelect.cpp
test/Transforms/InstCombine/select-with-bitwise-ops.ll
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