[PATCH] D15552: TTI: Allow targets to override getScalarizationOverhead

[Matt Arsenault via llvm-commits]

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

AMDGPU wants to mostly pretend that vectors don't exist and
there's no cost to scalarizing vectors.

http://reviews.llvm.org/D15552

Files:
  include/llvm/Analysis/TargetTransformInfoImpl.h
  include/llvm/CodeGen/BasicTTIImpl.h
  lib/Target/AArch64/AArch64TargetTransformInfo.h
  lib/Target/AMDGPU/AMDGPUTargetTransformInfo.h
  lib/Target/ARM/ARMTargetTransformInfo.h
  lib/Target/X86/X86TargetTransformInfo.cpp
  lib/Target/X86/X86TargetTransformInfo.h
  test/Analysis/CostModel/AMDGPU/add.ll
  test/Analysis/CostModel/AMDGPU/fabs.ll

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