[PATCH] D56715: X86DAGToDAGISel::matchBitExtract(): prepare 'control' in 32 bits

[Craig Topper via Phabricator via llvm-commits]

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

I don't think SimplifyDemandedBits can do anything for this. We're taking an i8 shift value and turning it into a control. The issue is entirely within how this code promoted that i8 value to match the width of the BEXTR/BZHI.

LGTM


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  rL LLVM

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https://reviews.llvm.org/D56715