<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/111674>111674</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [win] [openmp] the libomp test cases are failing on Windows.
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          rahulk10-cpu
      </td>
    </tr>
</table>

<pre>
    I noticed that the below OpenMP tests were failing on windows when I generated and executed them natively using Visual Studio.
Failed Tests (5):
  libomp :: transform/interchange/iterfor.cpp
  libomp :: transform/tile/iterfor.cpp
  libomp :: worksharing/for/omp_for_collapse_LowerTriangularLess.c
  libomp :: worksharing/for/omp_for_collapse_LowerTriangularLessEqual.c
  libomp :: worksharing/for/omp_for_collapse_UpperTriangular.c
  
 verbose log can be found below.
 FAIL: libomp :: worksharing/for/omp_for_collapse_LowerTriangularLessEqual.c (1 of 369)
******************** TEST 'libomp :: worksharing/for/omp_for_collapse_LowerTriangularLessEqual.c' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
../LLVM-up-stream/build/./bin/clang.exe -fopenmp   -I ../LLVM-up-stream/build/projects/openmp/runtime/src -I ../LLVM-up-stream/llvm-project/openmp/runtime/test -L ../LLVM-up-stream/build/./bin  -fno-omit-frame-pointer ..\LLVM-up-stream\llvm-project\openmp\runtime\test\worksharing\for\omp_for_collapse_LowerTriangularLessEqual.c -o ..\LLVM-up-stream\build\projects\openmp\runtime\test\worksharing\for\Output\omp_for_collapse_LowerTriangularLessEqual.c.tmp && ..\LLVM-up-stream\build\projects\openmp\runtime\test\worksharing\for\Output\omp_for_collapse_LowerTriangularLessEqual.c.tmp
# executed command: ../LLVM-up-stream/build/./bin/clang.exe -fopenmp -I ../LLVM-up-stream/build/projects/openmp/runtime/src -I ../LLVM-up-stream/llvm-project/openmp/runtime/test -L ../LLVM-up-stream/build/./bin -fno-omit-frame-pointer '..\LLVM-up-stream\llvm-project\openmp\runtime\test\worksharing\for\omp_for_collapse_LowerTriangularLessEqual.c' -o '..\LLVM-up-stream\build\projects\openmp\runtime\test\worksharing\for\Output\omp_for_collapse_LowerTriangularLessEqual.c.tmp'
# executed command: '..\LLVM-up-stream\build\projects\openmp\runtime\test\worksharing\for\Output\omp_for_collapse_LowerTriangularLessEqual.c.tmp'
# .---command stderr------------
# | ERROR: Inefficient Collapse thread 3 of 32 assigned 2 iterations; must be between 0 and 1
# `-----------------------------
# error: command failed with exit status: 1

FAIL: libomp :: worksharing/for/omp_for_collapse_LowerTriangularLess.c (2 of 369)
******************** TEST 'libomp :: worksharing/for/omp_for_collapse_LowerTriangularLess.c' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
../LLVM-up-stream/build/./bin/clang.exe -fopenmp   -I ../LLVM-up-stream/build/projects/openmp/runtime/src -I ../LLVM-up-stream/llvm-project/openmp/runtime/test -L ../LLVM-up-stream/build/./bin  -fno-omit-frame-pointer ..\LLVM-up-stream\llvm-project\openmp\runtime\test\worksharing\for\omp_for_collapse_LowerTriangularLess.c -o ..\LLVM-up-stream\build\projects\openmp\runtime\test\worksharing\for\Output\omp_for_collapse_LowerTriangularLess.c.tmp && ..\LLVM-up-stream\build\projects\openmp\runtime\test\worksharing\for\Output\omp_for_collapse_LowerTriangularLess.c.tmp
# executed command: ../LLVM-up-stream/build/./bin/clang.exe -fopenmp -I ../LLVM-up-stream/build/projects/openmp/runtime/src -I ../LLVM-up-stream/llvm-project/openmp/runtime/test -L ../LLVM-up-stream/build/./bin -fno-omit-frame-pointer '..\LLVM-up-stream\llvm-project\openmp\runtime\test\worksharing\for\omp_for_collapse_LowerTriangularLess.c' -o '..\LLVM-up-stream\build\projects\openmp\runtime\test\worksharing\for\Output\omp_for_collapse_LowerTriangularLess.c.tmp'
# executed command: '..\LLVM-up-stream\build\projects\openmp\runtime\test\worksharing\for\Output\omp_for_collapse_LowerTriangularLess.c.tmp'
# .---command stderr------------
# | ERROR: Inefficient Collapse thread 6 of 32 assigned 2 iterations; must be between 0 and 1
# `-----------------------------
# error: command failed with exit status: 1

--

********************
FAIL: libomp :: worksharing/for/omp_for_collapse_UpperTriangular.c (3 of 369)
******************** TEST 'libomp :: worksharing/for/omp_for_collapse_UpperTriangular.c' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
../LLVM-up-stream/build/./bin/clang.exe -fopenmp   -I ../LLVM-up-stream/build/projects/openmp/runtime/src -I ../LLVM-up-stream/llvm-project/openmp/runtime/test -L ../LLVM-up-stream/build/./bin  -fno-omit-frame-pointer ..\LLVM-up-stream\llvm-project\openmp\runtime\test\worksharing\for\omp_for_collapse_UpperTriangular.c -o ..\LLVM-up-stream\build\projects\openmp\runtime\test\worksharing\for\Output\omp_for_collapse_UpperTriangular.c.tmp && ..\LLVM-up-stream\build\projects\openmp\runtime\test\worksharing\for\Output\omp_for_collapse_UpperTriangular.c.tmp
# executed command: ../LLVM-up-stream/build/./bin/clang.exe -fopenmp -I ../LLVM-up-stream/build/projects/openmp/runtime/src -I ../LLVM-up-stream/llvm-project/openmp/runtime/test -L ../LLVM-up-stream/build/./bin -fno-omit-frame-pointer '..\LLVM-up-stream\llvm-project\openmp\runtime\test\worksharing\for\omp_for_collapse_UpperTriangular.c' -o '..\LLVM-up-stream\build\projects\openmp\runtime\test\worksharing\for\Output\omp_for_collapse_UpperTriangular.c.tmp'
# executed command: '..\LLVM-up-stream\build\projects\openmp\runtime\test\worksharing\for\Output\omp_for_collapse_UpperTriangular.c.tmp'
# .---command stderr------------
# | ERROR: Inefficient Collapse thread 0 of 32 assigned 2 iterations; must be between 0 and 1
# `-----------------------------
# error: command failed with exit status: 1


FAIL: libomp :: transform/interchange/iterfor.cpp (4 of 369)
******************** TEST 'libomp :: transform/interchange/iterfor.cpp' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
../LLVM-up-stream/build/./bin/clang++.exe -fopenmp   -I ../LLVM-up-stream/build/projects/openmp/runtime/src -I ../LLVM-up-stream/llvm-project/openmp/runtime/test -L ../LLVM-up-stream/build/./bin  -fno-omit-frame-pointer -std=c++20 ..\LLVM-up-stream\llvm-project\openmp\runtime\test\transform\interchange\iterfor.cpp -o ..\LLVM-up-stream\build\projects\openmp\runtime\test\transform\interchange\Output\iterfor.cpp.tmp && ..\LLVM-up-stream\build\projects\openmp\runtime\test\transform\interchange\Output\iterfor.cpp.tmp | ../LLVM-up-stream/build/./bin/FileCheck ..\LLVM-up-stream\llvm-project\openmp\runtime\test\transform\interchange\iterfor.cpp --match-full-lines
# executed command: ../LLVM-up-stream/build/./bin/clang++.exe -fopenmp -I ../LLVM-up-stream/build/projects/openmp/runtime/src -I ../LLVM-up-stream/llvm-project/openmp/runtime/test -L ../LLVM-up-stream/build/./bin -fno-omit-frame-pointer -std=c++20 '..\LLVM-up-stream\llvm-project\openmp\runtime\test\transform\interchange\iterfor.cpp' -o '..\LLVM-up-stream\build\projects\openmp\runtime\test\transform\interchange\Output\iterfor.cpp.tmp'
# executed command: '..\LLVM-up-stream\build\projects\openmp\runtime\test\transform\interchange\Output\iterfor.cpp.tmp'
# executed command: ../LLVM-up-stream/build/./bin/FileCheck '..\LLVM-up-stream\llvm-project\openmp\runtime\test\transform\interchange\iterfor.cpp' --match-full-lines
# .---command stderr------------
# | ..\LLVM-up-stream\llvm-project\openmp\runtime\test\transform\interchange\iterfor.cpp:155:16: error: CHECK-NEXT: is not on the line after the previous match
# | // CHECK-NEXT: [A] iterator deref: 0
# |                ^
# | <stdin>:17:1: note: 'next' match was here
# | [A] iterator deref: 0
# | ^
# | <stdin>:15:25: note: previous match ended here
# | [A] iterator move assign
# |                         ^
# | <stdin>:16:1: note: non-matching line after previous match is here
# | [B] iterator deref: 0
# | ^
# | 
# | Input file: <stdin>
# | Check file: ..\LLVM-up-stream\llvm-project\openmp\runtime\test\transform\interchange\iterfor.cpp
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |           .
# |           .
# | .
# |          12: [B] iterator advance: 0 += 0 
# |          13: [B] iterator move assign 
# |          14: [A] iterator advance: 0 += 0 
# |          15: [A] iterator move assign 
# |          16: [B] iterator deref: 0 
# |          17: [A] iterator deref: 0 
# | next:155 !~~~~~~~~~~~~~~~~~~~~  error: match on wrong line
# |          18: i=0 j=0 
# |          19: [A] iterator dtor 
# |          20: [A] iterator advance: 0 += 1 
# |          21: [A] iterator move assign 
# | 22: [B] iterator deref: 0 
# |           .
# |           .
# | .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--

********************
FAIL: libomp :: transform/tile/iterfor.cpp (5 of 369)
******************** TEST 'libomp :: transform/tile/iterfor.cpp' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
../LLVM-up-stream/build/./bin/clang++.exe -fopenmp   -I ../LLVM-up-stream/build/projects/openmp/runtime/src -I ../LLVM-up-stream/llvm-project/openmp/runtime/test -L ../LLVM-up-stream/build/./bin  -fno-omit-frame-pointer -std=c++20 ..\LLVM-up-stream\llvm-project\openmp\runtime\test\transform\tile\iterfor.cpp -o ..\LLVM-up-stream\build\projects\openmp\runtime\test\transform\tile\Output\iterfor.cpp.tmp && ..\LLVM-up-stream\build\projects\openmp\runtime\test\transform\tile\Output\iterfor.cpp.tmp | ../LLVM-up-stream/build/./bin/FileCheck ..\LLVM-up-stream\llvm-project\openmp\runtime\test\transform\tile\iterfor.cpp --match-full-lines
# executed command: ../LLVM-up-stream/build/./bin/clang++.exe -fopenmp -I ../LLVM-up-stream/build/projects/openmp/runtime/src -I ../LLVM-up-stream/llvm-project/openmp/runtime/test -L ../LLVM-up-stream/build/./bin -fno-omit-frame-pointer -std=c++20 '..\LLVM-up-stream\llvm-project\openmp\runtime\test\transform\tile\iterfor.cpp' -o '..\LLVM-up-stream\build\projects\openmp\runtime\test\transform\tile\Output\iterfor.cpp.tmp'
# executed command: '..\LLVM-up-stream\build\projects\openmp\runtime\test\transform\tile\Output\iterfor.cpp.tmp'
# executed command: ../LLVM-up-stream/build/./bin/FileCheck '..\LLVM-up-stream\llvm-project\openmp\runtime\test\transform\tile\iterfor.cpp' --match-full-lines
# .---command stderr------------
# | ..\LLVM-up-stream\llvm-project\openmp\runtime\test\transform\tile\iterfor.cpp:157:16: error: CHECK-NEXT: is not on the line after the previous match
# | // CHECK-NEXT: [A] iterator deref: 0
# |                ^
# | <stdin>:17:1: note: 'next' match was here
# | [A] iterator deref: 0
# | ^
# | <stdin>:15:25: note: previous match ended here
# | [B] iterator move assign
# |                         ^
# | <stdin>:16:1: note: non-matching line after previous match is here
# | [B] iterator deref: 0
# | ^
# | 
# | Input file: <stdin>
# | Check file: ..\LLVM-up-stream\llvm-project\openmp\runtime\test\transform\tile\iterfor.cpp
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |           .
# |           .
# | .
# |          12: [A] iterator advance: 0 += 0 
# |          13: [A] iterator move assign 
# |          14: [B] iterator advance: 0 += 0 
# |          15: [B] iterator move assign 
# |          16: [B] iterator deref: 0 
# |          17: [A] iterator deref: 0 
# | next:157 !~~~~~~~~~~~~~~~~~~~~  error: match on wrong line
# |          18: i=0 j=0 
# |          19: [B] iterator dtor 
# |          20: [B] iterator advance: 0 += 1 
# |          21: [B] iterator move assign 
# | 22: [B] iterator deref: 1 
# |           .
# |           .
# | .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

  
</pre>
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