[PATCH] D71785: [InstCombine][AMDGPU] Trim components of s_buffer_load

[Piotr Sobczak via Phabricator via llvm-commits]

piotr created this revision.
Herald added subscribers: llvm-commits, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely, kzhuravl.
Herald added a project: LLVM.

Add trimming of unused components of s_buffer_load.

For s_buffer_load and unformatted buffer_load also trim unused
components at the beginning of vector and update offset accordingly.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D71785

Files:
  llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
  llvm/test/Transforms/InstCombine/AMDGPU/amdgcn-demanded-vector-elts.ll

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