Align AMDGPU argument classification.

Author: AlexVlx

clang/lib/CodeGen/Targets/AMDGPU.cpp

@@ -225,9 +225,8 @@ ABIArgInfo AMDGPUABIInfo::classifyArgumentType(QualType Ty, bool Variadic,
     // Records with non-trivial destructors/copy-constructors should not be
     // passed by value.
     if (auto RAA = getRecordArgABI(Ty, getCXXABI()))
-      return getNaturalAlignIndirect(
-          Ty, getContext().getTargetAddressSpace(LangAS::Default),
-          RAA == CGCXXABI::RAA_DirectInMemory);
+      return getNaturalAlignIndirect(Ty, getDataLayout().getAllocaAddrSpace(),
+                                     RAA == CGCXXABI::RAA_DirectInMemory);
 
     // Ignore empty structs/unions.
     if (isEmptyRecord(getContext(), Ty, true))