[PATCH] D36831: [AMDGPU] Transform __read_pipe_* and __write_pipe_*

[Yaxun Liu via Phabricator via llvm-commits]

yaxunl created this revision.
Herald added subscribers: t-tye, tpr, dstuttard, nhaehnle, wdng, kzhuravl, arsenm.

When packet size equals packet align and is power of 2, transform
__read_pipe* and __write_pipe* to specialized library function.


https://reviews.llvm.org/D36831

Files:
  lib/Target/AMDGPU/AMDGPULibCalls.cpp
  test/CodeGen/AMDGPU/simplify-libcalls.ll

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