[PATCH] D73372: Revert "AMDGPU: Temporary drop s_mul_hi_i/u32 patterns"

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: kzhuravl, rampitec, kerbowa.
Herald added subscribers: hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely.
Herald added a project: LLVM.

This reverts commit fe23ed2c681413e7baf517c79aee9be130579873.

It was never really clear this was responsible for the performance
regressions that caused this to be reverted. It's been a long time,
and we need to have scalar patterns for this to get GlobalISel
working.


https://reviews.llvm.org/D73372

Files:
  llvm/lib/Target/AMDGPU/SOPInstructions.td
  llvm/test/CodeGen/AMDGPU/atomic_optimizations_local_pointer.ll
  llvm/test/CodeGen/AMDGPU/mul.ll

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