[PATCH] D119967: [InstCombineCalls] Optimize call of bitcast even w/ parameter attributes

[Johannes Doerfert via Phabricator via llvm-commits]

jdoerfert updated this revision to Diff 418491.
jdoerfert added a comment.
Herald added a subscriber: dexonsmith.

Introduce the concept of safe and unsafe attributes wrt. dropping them


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D119967/new/

https://reviews.llvm.org/D119967

Files:
  llvm/include/llvm/IR/Attributes.h
  llvm/lib/IR/Attributes.cpp
  llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
  llvm/test/Transforms/InstCombine/call-cast-attrs.ll

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