[clang] [flang] [llvm] [openmp] [Clang][OpenMP][LoopTransformations] Add support for "#pragma omp fuse" loop transformation direcrive and "looprange" clause (PR #139293)

[Alexey Bataev via cfe-commits]

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@@ -5790,7 +5805,11 @@ class OMPReverseDirective final : public 
OMPLoopTransformationDirective {
   explicit OMPReverseDirective(SourceLocation StartLoc, SourceLocation EndLoc)
       : OMPLoopTransformationDirective(OMPReverseDirectiveClass,
                                        llvm::omp::OMPD_reverse, StartLoc,
-                                       EndLoc, 1) {}
+                                       EndLoc, 1) {
+    // Reverse produces a single top-level canonical loop nest
+    setNumGeneratedLoops(1);
----------------
alexey-bataev wrote:

Should be in a separate patch

https://github.com/llvm/llvm-project/pull/139293
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