[compiler-rt] r338500 - [gcov] Add test which uses fork

[Vitaly Buka via llvm-commits]

The test is very flaky
Red http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/17621
4 green
then red again
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/17626

http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux?numbuilds=100



On Wed, Aug 1, 2018 at 2:11 AM Marco Castelluccio via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> Author: marco
> Date: Wed Aug  1 02:11:36 2018
> New Revision: 338500
>
> URL: http://llvm.org/viewvc/llvm-project?rev=338500&view=rev
> Log:
> [gcov] Add test which uses fork
>
> Test for https://bugs.llvm.org/show_bug.cgi?id=38180.
>
> Added:
>     compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c
>     compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c.gcov
>     compiler-rt/trunk/test/profile/Posix/
>     compiler-rt/trunk/test/profile/Posix/instrprof-gcov-fork.test
>
> Added: compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c
> URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c?rev=338500&view=auto
>
> ==============================================================================
> --- compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c (added)
> +++ compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c Wed Aug  1
> 02:11:36 2018
> @@ -0,0 +1,15 @@
> +#include <unistd.h>
> +
> +void func1() {}
> +void func2() {}
> +
> +int main(void)
> +{
> +  func1();
> +
> +  fork();
> +
> +  func2();
> +
> +  return 0;
> +}
>
> Added: compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c.gcov
> URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c.gcov?rev=338500&view=auto
>
> ==============================================================================
> --- compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c.gcov
> (added)
> +++ compiler-rt/trunk/test/profile/Inputs/instrprof-gcov-fork.c.gcov Wed
> Aug  1 02:11:36 2018
> @@ -0,0 +1,23 @@
> +// CHECK:        -:    0:Source:{{.*}}Inputs/instrprof-gcov-fork.c
> +// CHECK-NEXT:        -:    0:Graph:instrprof-gcov-fork.gcno
> +// CHECK-NEXT:        -:    0:Data:instrprof-gcov-fork.gcda
> +// CHECK-NEXT:        -:    0:Runs:1
> +// CHECK-NEXT:        -:    0:Programs:1
> +// CHECK-NEXT:        -:    1:#include <unistd.h>
> +// CHECK-NEXT:        -:    2:
> +// CHECK-NEXT:function func1 called 1 returned 100% blocks executed 100%
> +// CHECK-NEXT:        1:    3:void func1() {}
> +// CHECK-NEXT:function func2 called 2 returned 100% blocks executed 100%
> +// CHECK-NEXT:        2:    4:void func2() {}
> +// CHECK-NEXT:        -:    5:
> +// CHECK-NEXT:function main called 1 returned 100% blocks executed 100%
> +// CHECK-NEXT:        -:    6:int main(void)
> +// CHECK-NEXT:        -:    7:{
> +// CHECK-NEXT:        1:    8:  func1();
> +// CHECK-NEXT:        -:    9:
> +// CHECK-NEXT:        1:   10:  fork();
> +// CHECK-NEXT:        -:   11:
> +// CHECK-NEXT:        2:   12:  func2();
> +// CHECK-NEXT:        -:   13:
> +// CHECK-NEXT:        2:   14:  return 0;
> +// CHECK-NEXT:        -:   15:}
>
> Added: compiler-rt/trunk/test/profile/Posix/instrprof-gcov-fork.test
> URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/profile/Posix/instrprof-gcov-fork.test?rev=338500&view=auto
>
> ==============================================================================
> --- compiler-rt/trunk/test/profile/Posix/instrprof-gcov-fork.test (added)
> +++ compiler-rt/trunk/test/profile/Posix/instrprof-gcov-fork.test Wed Aug
> 1 02:11:36 2018
> @@ -0,0 +1,12 @@
> +XFAIL: *
> +
> +RUN: mkdir -p %t.d
> +RUN: cd %t.d
> +
> +RUN: %clang --coverage -o %t %S/../Inputs/instrprof-gcov-fork.c
> +RUN: test -f instrprof-gcov-fork.gcno
> +
> +RUN: rm -f instrprof-gcov-fork.gcda
> +RUN: %run %t
> +RUN: llvm-cov gcov -b -c instrprof-gcov-fork.gcda
> +RUN: FileCheck --match-full-lines --strict-whitespace --input-file
> instrprof-gcov-fork.c.gcov %S/../Inputs/instrprof-gcov-fork.c.gcov
>
>
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