================
@@ -956,30 +956,42 @@ class OMPLoopBasedDirective : public
OMPExecutableDirective {
}
};
+/// Common class of data shared between
+/// OMPCanonicalLoopNestTransformationDirective and transformations over
+/// canonical loop sequences.
+class OMPLoopTransformationDirective {
+ /// Number of (top-level) generated loops.
+ /// This value is 1 for most transformations as they only map one loop nest
+ /// into another.
+ /// Some loop transformations (like a non-partial 'unroll') may not generate
+ /// a loop nest, so this would be 0.
+ /// Some loop transformations (like 'fuse' with looprange and 'split') may
+ /// generate more than one loop nest, so the value would be >= 1.
+ unsigned NumGeneratedLoops = 1;
----------------
Meinersbur wrote:
Consider reflecting that it is the top-level loops only in the name, such as
`NumGeneratedTopLevelLoops`. The OpenMP spec calls then "loop nests" to mean
including all the nested loops.
https://github.com/llvm/llvm-project/pull/155849
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