[PATCH] D20718: AMDGPU: Add fract intrinsic

[Matt Arsenault via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: tstellarAMD.
arsenm added a subscriber: llvm-commits.
Herald added subscribers: kzhuravl, arsenm.

Remove broken patterns matching it. This was matching the
unsafe math pattern and expanding the fix for the buggy instruction
from the pattern. The problems are also on CI. Remove the workarounds
and only use fract with unsafe math or from the intrinsic.

http://reviews.llvm.org/D20718

Files:
  include/llvm/IR/IntrinsicsAMDGPU.td
  lib/Target/AMDGPU/CIInstructions.td
  lib/Target/AMDGPU/SIISelLowering.cpp
  lib/Target/AMDGPU/SIInstructions.td
  test/CodeGen/AMDGPU/fract.f64.ll
  test/CodeGen/AMDGPU/fract.ll
  test/CodeGen/AMDGPU/llvm.amdgcn.fract.ll

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