[PATCH] D117875: [AMDGPU][InstCombine] Use D16 if only f16 precision is needed

[Sebastian Neubauer via Phabricator via llvm-commits]

sebastian-ne created this revision.
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If an image load feeds into truncates to 16-bit, use a d16 load.
In the same way, if a stored value has only 16-bit precission, enable
d16.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D117875

Files:
  llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp
  llvm/lib/Target/AMDGPU/AMDGPUInstrInfo.h
  llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
  llvm/test/Transforms/InstCombine/AMDGPU/amdgcn-intrinsics.ll

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