[llvm-bugs] [Bug 38228] New: Some GCNO/GCDA in test/tools/llvm-cov/Inputs/ are not up to date

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=38228

            Bug ID: 38228
           Summary: Some GCNO/GCDA in test/tools/llvm-cov/Inputs/ are not
                    up to date
           Product: compiler-rt
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: profile
          Assignee: unassignedbugs at nondot.org
          Reporter: cdenizet at mozilla.com
                CC: llvm-bugs at lists.llvm.org

For example with clang++-7 and llvm-cov-7 (debian) I get for
range_based_for.cpp:
File 'range_based_for.cpp'
Lines executed:100.00% of 3
range_based_for.cpp:creating 'range_based_for.cpp.gcov'

        -:    0:Source:range_based_for.cpp
        -:    0:Graph:range_based_for.gcno
        -:    0:Data:range_based_for.gcda
        -:    0:Runs:1
        -:    0:Programs:1
        -:    1:// Make sure that compiler-added local variables (whose line
number is zero)
        -:    2:// don't crash llvm-cov.
        -:    3:
        -:    4:// We need shell for cd
        -:    5:// REQUIRES: shell
        -:    6:
        -:    7:// RUN: rm -rf %t
        -:    8:// RUN: mkdir %t
        -:    9:// RUN: cd %t
        -:   10:// RUN: cp %s %p/Inputs/range_based_for.gc* .
        -:   11:
        -:   12:// RUN: llvm-cov gcov range_based_for.cpp | FileCheck %s
--check-prefix=STDOUT
        -:   13:// STDOUT: File 'range_based_for.cpp'
        -:   14:// STDOUT: Lines executed:100.00% of 5
        -:   15:// STDOUT: range_based_for.cpp:creating
'range_based_for.cpp.gcov'
        -:   16:
        -:   17:// RUN: FileCheck %s --check-prefix=GCOV <
%t/range_based_for.cpp.gcov
        -:   18:// GCOV: -:    0:Runs:1
        -:   19:// GCOV: -:    0:Programs:1
        -:   20:
        -:   21:int main(int argc, const char *argv[]) { // GCOV: 1:   
[[@LINE]]:int main(
        1:   22:  int V[] = {1, 2};                      // GCOV: 1:   
[[@LINE]]:  int V[]
        8:   23:  for (int &I : V) {                     // GCOV: 10:  
[[@LINE]]:  for (
        -:   24:  }                                      // GCOV: 2:   
[[@LINE]]:  }
        1:   25:  return 0;                              // GCOV: 1:   
[[@LINE]]:  return
        -:   26:}                                        // GCOV: -:   
[[@LINE]]:}
        -:   27:
        -:   28:// llvm-cov doesn't work on big endian yet
        -:   29:// XFAIL: powerpc-, powerpc64-, s390x, mips-, mips64-, sparc

I think each test should compile itself to be sure to have correct gcno/gcda.

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