[PATCH] D138051: AMDGPU/GlobalISel: Fix broken expansion of 64-bit vector sext_inreg

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

I try not to think about shifts at all. The second input operand is just the bit width to extend from.


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  https://reviews.llvm.org/D138051/new/

https://reviews.llvm.org/D138051