[PATCH] D69605: [Attributor] Make liveness "edge-based"

[Johannes Doerfert via Phabricator via llvm-commits]

jdoerfert created this revision.
jdoerfert added reviewers: sstefan1, uenoku.
Herald added subscribers: bollu, hiraditya.
Herald added a project: LLVM.

If control is transferred to a successor is the key question when it
comes to liveness. The new implementation puts that question in the
focus and thereby providing a clean way to assume certain CFG edges are
dead or instructions will not transfer control.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D69605

Files:
  llvm/lib/Transforms/IPO/Attributor.cpp
  llvm/test/Transforms/FunctionAttrs/align.ll
  llvm/test/Transforms/FunctionAttrs/arg_nocapture.ll
  llvm/test/Transforms/FunctionAttrs/fn_noreturn.ll
  llvm/test/Transforms/FunctionAttrs/internal-noalias.ll
  llvm/test/Transforms/FunctionAttrs/liveness.ll
  llvm/test/Transforms/FunctionAttrs/nonnull.ll
  llvm/test/Transforms/FunctionAttrs/noreturn_async.ll
  llvm/test/Transforms/FunctionAttrs/noreturn_sync.ll

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