[PATCH] D81728: [InstCombine] Add target-specific inst combining

[Sebastian Neubauer via Phabricator via llvm-commits]

Flakebi created this revision.
Flakebi added reviewers: nhaehnle, majnemer.
Flakebi added projects: LLVM, AMDGPU.
Herald added subscribers: llvm-commits, hiraditya.

Targets can combine intrinsics in
TargetTransformInfo::instCombineIntrinsic.
This allows accessing target specific features and combining
instructions only if the target supports certain features.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D81728

Files:
  llvm/include/llvm/Analysis/TargetTransformInfo.h
  llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
  llvm/include/llvm/CodeGen/BasicTTIImpl.h
  llvm/lib/Analysis/TargetTransformInfo.cpp
  llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
  llvm/lib/Transforms/InstCombine/InstCombineInternal.h
  llvm/lib/Transforms/InstCombine/InstructionCombining.cpp

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