[openmp] [llvm] [clang] [OpenMP] Introduce support for OMPX extensions and taskgraph frontend (PR #66919)

[Alexey Bataev via cfe-commits]

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@@ -178,6 +178,18 @@ struct PragmaOpenMPHandler : public PragmaHandler {
                     Token &FirstToken) override;
 };
 
+struct PragmaNoOpenMPXHandler : public PragmaHandler {
+  PragmaNoOpenMPXHandler() : PragmaHandler("ompx") {}
+  void HandlePragma(Preprocessor &PP, PragmaIntroducer Introducer,
+                    Token &FirstToken) override;
+};
+
+struct PragmaOpenMPXHandler : public PragmaHandler {
+  PragmaOpenMPXHandler() : PragmaHandler("ompx") {}
+  void HandlePragma(Preprocessor &PP, PragmaIntroducer Introducer,
+                    Token &FirstToken) override;
+};
+
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alexey-bataev wrote:

Why existing openmp handlers cannot be reused?

https://github.com/llvm/llvm-project/pull/66919