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[OpenMP] allow loc to be NULL in __kmp_determine_reduction_method for MSVC 

MSVC may not supply source location information to kmpc_reduce passing
NULL for the value. The patch adds a check for the loc value being NULL
in kmp_determine_reduction_method.

Differential Revision: https://reviews.llvm.org/D126564
This commit is contained in:
Vadim Paretsky 2022-06-03 14:10:25 -05:00 committed by Jonathan Peyton
parent 210c851327
commit f58fe2e186
1 changed files with 9 additions and 8 deletions
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3
openmp/runtime/src/kmp_runtime.cpp
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@ -8707,7 +8707,8 @@ __kmp_determine_reduction_method(
KMP_DEBUG_ASSERT(lck); // it would be nice to test ( lck != 0 )
#define FAST_REDUCTION_ATOMIC_METHOD_GENERATED \
((loc->flags & (KMP_IDENT_ATOMIC_REDUCE)) == (KMP_IDENT_ATOMIC_REDUCE))
(loc && \
((loc->flags & (KMP_IDENT_ATOMIC_REDUCE)) == (KMP_IDENT_ATOMIC_REDUCE)))
#define FAST_REDUCTION_TREE_METHOD_GENERATED ((reduce_data) && (reduce_func))
retval = critical_reduce_block;