[Clang][AMDGPU] Simplify builtin type definitions. NFC. (#108968)

Remove the MangledName field since these types just use the normal Name
for mangling purposes.

Author: jayfoad

clang/include/clang/Basic/AMDGPUTypes.def

@@ -11,11 +11,11 @@
 //===----------------------------------------------------------------------===//
 
 #ifndef AMDGPU_OPAQUE_PTR_TYPE
-#define AMDGPU_OPAQUE_PTR_TYPE(Name, MangledName, AS, Width, Align, Id, SingletonId) \
+#define AMDGPU_OPAQUE_PTR_TYPE(Name, AS, Width, Align, Id, SingletonId) \
   AMDGPU_TYPE(Name, Id, SingletonId)
 #endif
 
-AMDGPU_OPAQUE_PTR_TYPE("__amdgpu_buffer_rsrc_t", "__amdgpu_buffer_rsrc_t", 8, 128, 128, AMDGPUBufferRsrc, AMDGPUBufferRsrcTy)
+AMDGPU_OPAQUE_PTR_TYPE("__amdgpu_buffer_rsrc_t", 8, 128, 128, AMDGPUBufferRsrc, AMDGPUBufferRsrcTy)
 
 #undef AMDGPU_TYPE
 #undef AMDGPU_OPAQUE_PTR_TYPE

clang/lib/AST/ASTContext.cpp

@@ -2243,8 +2243,7 @@ TypeInfo ASTContext::getTypeInfoImpl(const Type *T) const {
     Align = 8;                                                                 \
     break;
 #include "clang/Basic/WebAssemblyReferenceTypes.def"
-#define AMDGPU_OPAQUE_PTR_TYPE(NAME, MANGLEDNAME, AS, WIDTH, ALIGN, ID,        \
-                               SINGLETONID)                                    \
+#define AMDGPU_OPAQUE_PTR_TYPE(NAME, AS, WIDTH, ALIGN, ID, SINGLETONID)        \
   case BuiltinType::ID:                                                        \
     Width = WIDTH;                                                             \
     Align = ALIGN;                                                             \

clang/lib/CodeGen/CGDebugInfo.cpp

@@ -900,13 +900,12 @@ llvm::DIType *CGDebugInfo::CreateType(const BuiltinType *BT) {
     return SingletonId;                                                        \
   }
 #include "clang/Basic/WebAssemblyReferenceTypes.def"
-#define AMDGPU_OPAQUE_PTR_TYPE(Name, MangledName, AS, Width, Align, Id,        \
-                               SingletonId)                                    \
+#define AMDGPU_OPAQUE_PTR_TYPE(Name, AS, Width, Align, Id, SingletonId)        \
   case BuiltinType::Id: {                                                      \
     if (!SingletonId)                                                          \
       SingletonId =                                                            \
-          DBuilder.createForwardDecl(llvm::dwarf::DW_TAG_structure_type,       \
-                                     MangledName, TheCU, TheCU->getFile(), 0); \
+          DBuilder.createForwardDecl(llvm::dwarf::DW_TAG_structure_type, Name, \
+                                     TheCU, TheCU->getFile(), 0);              \
     return SingletonId;                                                        \
   }
 #include "clang/Basic/AMDGPUTypes.def"

clang/lib/CodeGen/CodeGenTypes.cpp

@@ -558,8 +558,7 @@ llvm::Type *CodeGenTypes::ConvertType(QualType T) {
       llvm_unreachable("Unexpected wasm reference builtin type!");             \
   } break;
 #include "clang/Basic/WebAssemblyReferenceTypes.def"
-#define AMDGPU_OPAQUE_PTR_TYPE(Name, MangledName, AS, Width, Align, Id,        \
-                               SingletonId)                                    \
+#define AMDGPU_OPAQUE_PTR_TYPE(Name, AS, Width, Align, Id, SingletonId)        \
   case BuiltinType::Id:                                                        \
     return llvm::PointerType::get(getLLVMContext(), AS);
 #include "clang/Basic/AMDGPUTypes.def"