[PATCH] D36936: [InstCombine] Consider more cases where SimplifyDemandedUseBits do not converting AShr to LShr

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


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Comment at: lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp:524
 
+      unsigned SignBits = ComputeNumSignBits(I->getOperand(0), 0, CxtI);
+
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Should we use Depth+1 instead of 0 here?


https://reviews.llvm.org/D36936