[flang] [llvm] [flang][OpenMP] Overhaul implementation of ATOMIC construct (PR #137852)

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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp,h -- flang/examples/FeatureList/FeatureList.cpp flang/examples/FlangOmpReport/FlangOmpReportVisitor.cpp flang/include/flang/Parser/dump-parse-tree.h flang/include/flang/Parser/parse-tree.h flang/include/flang/Semantics/dump-expr.h flang/include/flang/Semantics/tools.h flang/lib/Lower/OpenMP/DataSharingProcessor.cpp flang/lib/Lower/OpenMP/OpenMP.cpp flang/lib/Parser/openmp-parsers.cpp flang/lib/Parser/parse-tree.cpp flang/lib/Parser/unparse.cpp flang/lib/Semantics/check-omp-structure.cpp flang/lib/Semantics/check-omp-structure.h flang/lib/Semantics/dump-expr.cpp flang/lib/Semantics/resolve-names.cpp flang/lib/Semantics/rewrite-directives.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/flang/include/flang/Semantics/dump-expr.h b/flang/include/flang/Semantics/dump-expr.h
index 1553dac3b..c828a3440 100644
--- a/flang/include/flang/Semantics/dump-expr.h
+++ b/flang/include/flang/Semantics/dump-expr.h
@@ -39,13 +39,12 @@ public:
   }
 
 private:
-  template <typename T>
-  struct TypeOf {
+  template <typename T> struct TypeOf {
     static constexpr std::string_view name{TypeOf<T>::get()};
     static constexpr std::string_view get() {
       std::string_view v(__PRETTY_FUNCTION__);
-      v.remove_prefix(99);  // Strip the part "... [with T = "
-      v.remove_suffix(50);  // Strip the ending "; string_view = ...]"
+      v.remove_prefix(99); // Strip the part "... [with T = "
+      v.remove_suffix(50); // Strip the ending "; string_view = ...]"
       return v;
     }
   };
diff --git a/flang/lib/Lower/OpenMP/OpenMP.cpp b/flang/lib/Lower/OpenMP/OpenMP.cpp
index 6977e209e..0f553541c 100644
--- a/flang/lib/Lower/OpenMP/OpenMP.cpp
+++ b/flang/lib/Lower/OpenMP/OpenMP.cpp
@@ -2850,7 +2850,7 @@ genAtomicUpdate(lower::AbstractConverter &converter, mlir::Location loc,
   builder.create<mlir::omp::YieldOp>(loc, converted);
   converter.resetExprOverrides();
 
-  builder.restoreInsertionPoint(postAt);  // For naCtx cleanups
+  builder.restoreInsertionPoint(postAt); // For naCtx cleanups
   return updateOp;
 }
 

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https://github.com/llvm/llvm-project/pull/137852