[PATCH] D95141: [InstSimplifyPass] Remove unused llvm.experimental.noalias.scope.decl

[Jeroen Dobbelaere via Phabricator via llvm-commits]

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jeroen.dobbelaere added reviewers: nikic, jdoerfert.
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A @llvm.experimental.noalias.scope.decl is only useful if there is !alias.scope metadata that uses the declared scope.
When that is not the case, the intrinsic call can as well be removed.


https://reviews.llvm.org/D95141

Files:
  llvm/lib/Transforms/Scalar/InstSimplifyPass.cpp
  llvm/test/Transforms/Coroutines/coro-retcon-resume-values.ll
  llvm/test/Transforms/Coroutines/coro-retcon-value.ll
  llvm/test/Transforms/Coroutines/coro-retcon.ll
  llvm/test/Transforms/Coroutines/ex2.ll
  llvm/test/Transforms/Coroutines/ex3.ll
  llvm/test/Transforms/Coroutines/ex4.ll
  llvm/test/Transforms/InstSimplify/noalias-scope-decl.ll
  llvm/test/Transforms/PhaseOrdering/inlining-alignment-assumptions.ll
  llvm/test/Transforms/PhaseOrdering/instcombine-sroa-inttoptr.ll

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