[PATCH] D111968: [TTI] Add OperandValueProperties::OP_NegatedPowerOf2 enum

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 380953.
RKSimon added a comment.

udiv/urem by -pow2 isn't as simple as shift/mask - fallback to the existing x86 udiv/urem by constant costs


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111968/new/

https://reviews.llvm.org/D111968

Files:
  llvm/include/llvm/Analysis/TargetTransformInfo.h
  llvm/lib/Analysis/TargetTransformInfo.cpp
  llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
  llvm/lib/Target/X86/X86TargetTransformInfo.cpp
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Analysis/CostModel/AArch64/div.ll
  llvm/test/Analysis/CostModel/AArch64/rem.ll
  llvm/test/Analysis/CostModel/X86/div.ll
  llvm/test/Analysis/CostModel/X86/mul.ll
  llvm/test/Analysis/CostModel/X86/rem.ll
  llvm/test/Transforms/SLPVectorizer/X86/powof2mul.ll

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