================
@@ -870,6 +870,106 @@ class OMPSizesClause final
}
};
+/// This class represents the 'permutation' clause in the
+/// '#pragma omp interchange' directive.
+///
+/// \code{c}
+/// #pragma omp interchange permutation(2,1)
+/// for (int i = 0; i < 64; ++i)
+/// for (int j = 0; j < 64; ++j)
+/// \endcode
+class OMPPermutationClause final
+ : public OMPClause,
+ private llvm::TrailingObjects<OMPSizesClause, Expr *> {
+ friend class OMPClauseReader;
+ friend class llvm::TrailingObjects<OMPSizesClause, Expr *>;
+
+ /// Location of '('.
+ SourceLocation LParenLoc;
+
+ /// Number of arguments in the clause, and hence also the number of loops to
+ /// be permuted.
+ unsigned NumLoops;
+
+ /// Sets the permutation index expressions.
+ void setArgRefs(ArrayRef<Expr *> VL) {
+ assert(VL.size() == NumLoops);
----------------
alexey-bataev wrote:
Add assertion message
https://github.com/llvm/llvm-project/pull/92030
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