[PATCH] D64512: [InstCombine] Dropping redundant masking before left-shift [0/5] (PR42563)

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 accepted this revision.
xbolva00 added a comment.
This revision is now accepted and ready to land.

Looks fine



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Comment at: llvm/test/Transforms/InstCombine/redundant-left-shift-input-masking-variant-a.ll:343
 ; CHECK-NEXT:    call void @use32(i32 [[T2]])
 ; CHECK-NEXT:    call void @use32(i32 [[T3]])
+; CHECK-NEXT:    [[T4:%.*]] = shl i32 [[X]], [[T3]]
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What about ‘exact’ ?


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https://reviews.llvm.org/D64512