[PATCH] D145081: AMDGPU: Add more flat scratch load and store tests for 8 and 16-bit types

[Petar Avramovic via Phabricator via llvm-commits]

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Add tests for more complicated flat scratch load and store patterns.
Includes:

- sign and zero extending loads of i8 and i16 to i32 into 32-bit register
- D16 <https://reviews.llvm.org/D16> instructions that affect only high or low 16 bits of 32-bit register
  - D16 <https://reviews.llvm.org/D16> sign and zero extending loads of i8 to i16 into high or low 16 bits of 32-bit register
  - D16 <https://reviews.llvm.org/D16> loads of i16 to high or low 16 bits of 32-bit register
  - D16 <https://reviews.llvm.org/D16> stores of i8 and i16 from high 16 bits of 32-bit register


https://reviews.llvm.org/D145081

Files:
  llvm/test/CodeGen/AMDGPU/flat-scratch-i8-i16.ll

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