[llvm] [C API] Add getters for Target Extension Types to C API (PR #96447)

[Nikita Popov via llvm-commits]

================
@@ -954,6 +954,32 @@ LLVMTypeRef LLVMTargetExtTypeInContext(LLVMContextRef C, const char *Name,
       TargetExtType::get(*unwrap(C), Name, TypeParamArray, IntParamArray));
 }
 
+const char *LLVMGetTargetExtTypeName(LLVMTypeRef TargetExtTy) {
+  TargetExtType *Type = unwrap<TargetExtType>(TargetExtTy);
+  return Type->getName().data();
+}
+
+unsigned LLVMGetTargetExtTypeNumTypeParams(LLVMTypeRef TargetExtTy) {
+  TargetExtType *Type = unwrap<TargetExtType>(TargetExtTy);
+  return Type->getNumTypeParameters();
+}
+
+LLVMTypeRef LLVMGetTargetExtTypeTypeParam(LLVMTypeRef TargetExtTy,
+                                          unsigned Idx) {
+  TargetExtType *Type = unwrap<TargetExtType>(TargetExtTy);
+  return wrap(Type->getTypeParameter(Idx));
+}
+
+unsigned LLVMGetTargetExtTypeNumIntParams(LLVMTypeRef TargetExtTy) {
+  TargetExtType *Type = unwrap<TargetExtType>(TargetExtTy);
+  return Type->getNumIntParameters();
+}
+
+unsigned LLVMGetTargetExtTypeIntParam(LLVMTypeRef TargetExtTy, unsigned Idx) {
----------------
nikic wrote:

A bit worried the type is going to change in the future, but I guess we'll have to deal with it if it happens.

https://github.com/llvm/llvm-project/pull/96447