[all-commits] [llvm/llvm-project] e10e78: [StackSafety] Skip ambiguous lifetime analysis

[Vitaly Buka via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: e10e7829bf6f10c053c05e42b676d7acaf54a221
      https://github.com/llvm/llvm-project/commit/e10e7829bf6f10c053c05e42b676d7acaf54a221
  Author: Vitaly Buka <vitalybuka at google.com>
  Date:   2020-08-16 (Sun, 16 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
    A llvm/test/Transforms/SafeStack/X86/no-crash-on-lifetime.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