[PATCH] D38206: [InstCombine] Remove one use restriction on the shift for calls to foldICmpAndShift.
Sanjay Patel via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Sep 25 13:29:11 PDT 2017
spatel added inline comments.
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Comment at: lib/Transforms/InstCombine/InstCombineCompares.cpp:1717-1718
// (X & C2) > C1 --> (X & C2) != 0, if any bit set in (X & C2) will produce a
// result greater than C1. Also handle (X & C2) < C1 --> (X & C2) == 0.
if (!C2->isNullValue()) {
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We're also easing the restriction on this fold, right? Add another test for it too?
https://reviews.llvm.org/D38206
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