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

Mon Feb 4 10:40:13 PST 2019

lebedev.ri added a comment.

In D56715#1383512 <https://reviews.llvm.org/D56715#1383512>, @craig.topper wrote:

> 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

Thank you for the review.

Repository:
  rL LLVM

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  https://reviews.llvm.org/D56715/new/

https://reviews.llvm.org/D56715