Add support for llvm::Type* in metadata framework

Allow creating metadata nodes with `llvm::Type*`.

Author: mmerecki

IGC/common/MDFrameWork.cpp

@@ -58,6 +58,7 @@ template <typename T, size_t s> void readNode(std::array<T, s> &arr, MDNode *nod
 template <typename T> void readNode(std::optional<T> &option, MDNode *node);
 void readNode(Function *&funcPtr, MDNode *node);
 void readNode(GlobalVariable *&globalVar, MDNode *node);
+void readNode(Type *&Ty, MDNode *node);
 void readNode(StructType *&Ty, MDNode *node);
 
 template <typename Key, typename Value> void readNode(std::map<Key, Value> &funcMD, MDNode *node);
@@ -362,6 +363,12 @@ void readNode(GlobalVariable *&globalVar, MDNode *node) {
   globalVar = cast<GlobalVariable>(v);
 }
 
+void readNode(Type *&Ty, MDNode *node) {
+  ValueAsMetadata *pVal = cast<ValueAsMetadata>(node->getOperand(1));
+  Value *v = pVal->getValue();
+  Ty = cast<Type>(v->getType());
+}
+
 void readNode(StructType *&Ty, MDNode *node) {
   ValueAsMetadata *pVal = cast<ValueAsMetadata>(node->getOperand(1));
   Value *v = pVal->getValue();

IGC/common/MDFrameWork.h

@@ -33,7 +33,8 @@ namespace llvm
     class Value;
     class GlobalVariable;
     class StructType;
-}
+    class Type;
+    }
 
 const unsigned int INPUT_RESOURCE_SLOT_COUNT = 128;
 const unsigned int NUM_SHADER_RESOURCE_VIEW_SIZE = (INPUT_RESOURCE_SLOT_COUNT + 1) / 64;