[all-commits] [llvm/llvm-project] 0b2616: [StackSafety] Skip ambiguous lifetime analysis

[Vitaly Buka via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 0b2616a8045cb776ea1514c3401d0a8577de1060
      https://github.com/llvm/llvm-project/commit/0b2616a8045cb776ea1514c3401d0a8577de1060
  Author: Vitaly Buka <vitalybuka at google.com>
  Date:   2020-08-06 (Thu, 06 Aug 2020)

  Changed paths:
    M llvm/include/llvm/Analysis/StackLifetime.h
    M llvm/lib/Analysis/StackLifetime.cpp
    M llvm/test/Analysis/StackSafetyAnalysis/lifetime.ll
    M llvm/test/CodeGen/AArch64/stack-tagging.ll

  Log Message:
  -----------
  [StackSafety] Skip ambiguous lifetime analysis

If we can't identify alloca used in lifetime marker we
need to assume to worst case scenario.

Reviewed By: eugenis

Differential Revision: https://reviews.llvm.org/D84630