[PATCH] D91437: [AMDGPU][GlobalISel] Fix lowerShlSat
Mirko Brkusanin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Nov 16 08:29:58 PST 2020
mbrkusanin added inline comments.
================
Comment at: llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-sshlsat.mir:221
+ ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
+ ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C]](s32)
+ ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
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arsenm wrote:
> I'm surprised there are this many changes
Previous MIR still had G_SSHLSAT. And most these new shifts end up dead immediately.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D91437/new/
https://reviews.llvm.org/D91437
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