[debuginfo-tests] r300228 - Add a test for __block variables + asan.

[Ahmed Bougacha via llvm-commits]

Hey Adrian,

I reverted the addition of asan.c and safestack.c in r300458-60, and
filed PR32685.

-Ahmed


On Thu, Apr 13, 2017 at 11:06 AM, Adrian Prantl via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: adrian
> Date: Thu Apr 13 13:06:59 2017
> New Revision: 300228
>
> URL: http://llvm.org/viewvc/llvm-project?rev=300228&view=rev
> Log:
> Add a test for __block variables + asan.
>
> Modified:
>     debuginfo-tests/trunk/asan.c
>     debuginfo-tests/trunk/llgdb.py
>
> Modified: debuginfo-tests/trunk/asan.c
> URL: http://llvm.org/viewvc/llvm-project/debuginfo-tests/trunk/asan.c?rev=300228&r1=300227&r2=300228&view=diff
> ==============================================================================
> --- debuginfo-tests/trunk/asan.c (original)
> +++ debuginfo-tests/trunk/asan.c Thu Apr 13 13:06:59 2017
> @@ -1,23 +1,40 @@
>  // RUN: %clang %target_itanium_abi_host_triple -arch x86_64 %s -o %t.out -g -fsanitize=address
>  // RUN: %test_debuginfo %s %t.out
>  //
> -// DEBUGGER: break 21
> -// DEBUGGER: r
> -// DEBUGGER: p s
> -//
> -// CHECK: a = ([0] = 0, [1] = 1, [2] = 2, [3] = 3, [4] = 4, [5] = 5, [6] = 6, [7] = 7)
>
>  struct S {
>    int a[8];
>  };
>
> +void b();
> +
>  int f(struct S s, unsigned i) {
> +  // DEBUGGER: break 16
> +  // DEBUGGER: r
> +  // DEBUGGER: p s
> +  // CHECK: a = ([0] = 0, [1] = 1, [2] = 2, [3] = 3, [4] = 4, [5] = 5, [6] = 6, [7] = 7)
>    return s.a[i];
>  }
>
>  int main(int argc, const char **argv) {
>    struct S s = {{0, 1, 2, 3, 4, 5, 6, 7}};
> -  if (f(s, 4) == 4)
> -    return f(s, 0);
> +  if (f(s, 4) == 4) {
> +    // DEBUGGER: break 26
> +    // DEBUGGER: c
> +    // DEBUGGER: p s
> +    // CHECK: a = ([0] = 0, [1] = 1, [2] = 2, [3] = 3, [4] = 4, [5] = 5, [6] = 6, [7] = 7)
> +    b();
> +  }
>    return 0;
>  }
> +
> +void c() {}
> +
> +void b() {
> +  // DEBUGGER: break 39
> +  // DEBUGGER: c
> +  // DEBUGGER: p x
> +  // CHECK: 42
> +  __block int x = 42;
> +  c();
> +}
>
> Modified: debuginfo-tests/trunk/llgdb.py
> URL: http://llvm.org/viewvc/llvm-project/debuginfo-tests/trunk/llgdb.py?rev=300228&r1=300227&r2=300228&view=diff
> ==============================================================================
> --- debuginfo-tests/trunk/llgdb.py (original)
> +++ debuginfo-tests/trunk/llgdb.py Thu Apr 13 13:06:59 2017
> @@ -139,6 +139,10 @@ NOTE: There are several reasons why this
>              frame = thread.GetFrameAtIndex(0)
>              print frame.EvaluateExpression(' '.join(cmd[1:]))
>
> +        elif re.match('^n|(next)$', cmd[0]):
> +            thread = process.GetThreadAtIndex(0)
> +            thread.StepOver()
> +
>          elif re.match('^q|(quit)$', cmd[0]):
>              sys.exit(0)
>
>
>
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