[PATCH] D66484: [Attributor][NFCI] Avoid lookups when resolving returned values

[Johannes Doerfert via Phabricator via llvm-commits]

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

If the number of potentially returned values not change since the last
traversal we do not need to visit the returned values again. This works
as we only add values to the returned values set now.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D66484

Files:
  llvm/include/llvm/Transforms/IPO/Attributor.h
  llvm/lib/Transforms/IPO/Attributor.cpp
  llvm/test/Transforms/FunctionAttrs/align.ll
  llvm/test/Transforms/FunctionAttrs/arg_nocapture.ll
  llvm/test/Transforms/FunctionAttrs/liveness.ll
  llvm/test/Transforms/FunctionAttrs/nonnull.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D66484.216189.patch
Type: text/x-patch
Size: 17618 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20190820/4635a4f2/attachment.bin>