[mlir] Specialize DenseMapInfo and PointerLikeTypeTraits for mlir::TypedValue

[ezhulenev]

Revert accidental formatting changes

[ezhulenev]

Accidentally submitted wrong revision, fixed in https://github.com/llvm/llvm-project/commit/38785647121cef0adde4d3adbe5c5fe21b83d32b

mlir/include/mlir/IR/Value.h

static mlir::OpResult getEmptyKey() {
     void *pointer = llvm::DenseMapInfo<void *>::getEmptyKey();
     return reinterpret_cast<mlir::detail::OpResultImpl *>(pointer);
   }
   static mlir::OpResult getTombstoneKey() {
     void *pointer = llvm::DenseMapInfo<void *>::getTombstoneKey();
     return reinterpret_cast<mlir::detail::OpResultImpl *>(pointer);
   }
 };
+template <typename T>
+struct DenseMapInfo<mlir::detail::TypedValue<T>>
+    : public DenseMapInfo<mlir::Value> {
+  static mlir::detail::TypedValue<T> getEmptyKey() {
+    void *pointer = llvm::DenseMapInfo<void *>::getEmptyKey();
+    return reinterpret_cast<mlir::detail::ValueImpl *>(pointer);
+  }
+  static mlir::detail::TypedValue<T> getTombstoneKey() {
+    void *pointer = llvm::DenseMapInfo<void *>::getTombstoneKey();
+    return reinterpret_cast<mlir::detail::ValueImpl *>(pointer);
+  }
+};
 
 /// Allow stealing the low bits of a value.
 template <>
 struct PointerLikeTypeTraits<mlir::Value> {
 public:
   static inline void *getAsVoidPointer(mlir::Value value) {
     return const_cast<void *>(value.getAsOpaquePointer());
   }

 template <>
 struct PointerLikeTypeTraits<mlir::OpResult>
     : public PointerLikeTypeTraits<mlir::Value> {
 public:
   static inline mlir::OpResult getFromVoidPointer(void *pointer) {
     return reinterpret_cast<mlir::detail::OpResultImpl *>(pointer);
   }
 };
+template <typename T>
+struct PointerLikeTypeTraits<mlir::detail::TypedValue<T>>
+    : public PointerLikeTypeTraits<mlir::Value> {
+public:
+  static inline mlir::detail::TypedValue<T> getFromVoidPointer(void *pointer) {
+    return reinterpret_cast<mlir::detail::ValueImpl *>(pointer);
+  }
+};
 
 /// Add support for llvm style casts. We provide a cast between To and From if
 /// From is mlir::Value or derives from it.
 template <typename To, typename From>
 struct CastInfo<
     To, From,
     std::enable_if_t<std::is_same_v<mlir::Value, std::remove_const_t<From>> ||
                      std::is_base_of_v<mlir::Value, From>>>