[PATCH] D94002: [LangRef] Make lifetime intrinsic's semantics consistent with StackColoring's comment

Juneyoung Lee via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Jan 3 17:12:00 PST 2021


aqjune added inline comments.


================
Comment at: llvm/docs/LangRef.rst:17826
+In this case, the stack object has multiple lifetimes.
+The second '``llvm.lifetime.start``' call does not relocate the object.
+
----------------
I added this part because I found this:
https://bugs.llvm.org/show_bug.cgi?id=27903
https://reviews.llvm.org/D20739

This is an old bug, so I'm not sure whether this is still valid, but the patch still exists in StackColoring.cpp, so I added this.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D94002/new/

https://reviews.llvm.org/D94002



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