[llvm-bugs] [Bug 51249] New: complex reduction wrong results

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Jul 28 06:56:49 PDT 2021


https://bugs.llvm.org/show_bug.cgi?id=51249

            Bug ID: 51249
           Summary: complex reduction wrong results
           Product: OpenMP
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: release blocker
          Priority: P
         Component: Clang Compiler Support
          Assignee: unassignedclangbugs at nondot.org
          Reporter: xw111luoye at gmail.com
                CC: llvm-bugs at lists.llvm.org

clang++ -O3 -ffast-math -fopenmp -fopenmp-targets=nvptx64
-Xopenmp-target=nvptx64 -march=sm_80 complex_reduction.cpp

-ffast-math makes the test fail

https://github.com/ye-luo/openmp-target/blob/master/tests/complex/complex_reduction.cpp

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