[llvm-bugs] [Bug 34255] llvm-cov: Coverage for destructors wrong with optimizations

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34255

Vedant Kumar <vsk at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |vsk at apple.com
         Resolution|---                         |WORKSFORME

--- Comment #1 from Vedant Kumar <vsk at apple.com> ---
I can't reproduce this issue. Mind sharing the exact compiler flags you're
using, and the IR at both -O0 and -O1?

At -O1, I see the counter increment for Bar's destructor inlined into main():

  %3 = load i64, i64* getelementptr inbounds ([1 x i64], [1 x i64]*
@__profc__ZN3BarD2Ev, i64 0, i64 0), align 8
  %4 = add i64 %3, 1
  store i64 %4, i64* getelementptr inbounds ([1 x i64], [1 x i64]*
@__profc__ZN3BarD2Ev, i64 0, i64 0), align 8

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