[clang] [llvm] [LLVMABI][AMDGPU] Add an AMDGPU target to the ABI library (PR #223259)

[Arseniy Obolenskiy via cfe-commits]

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@@ -37,8 +41,66 @@ bool TargetInfo::isPromotableInteger(const IntegerType *IT) const {
   return BitWidth < 32;
 }
 
-ArgInfo TargetInfo::getNaturalAlignIndirect(const Type *Ty, bool ByVal) const {
-  return ArgInfo::getIndirect(Ty->getAlignment(), ByVal);
+ArgInfo TargetInfo::getNaturalAlignIndirect(const Type *Ty, bool ByVal,
+                                            unsigned AddrSpace) const {
+  return ArgInfo::getIndirect(Ty->getAlignment(), ByVal, AddrSpace);
+}
+
+const Type *TargetInfo::isSingleElementStruct(const Type *Ty) const {
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aobolensk wrote:

Reverted this part for now. Yes, let's re-apply it later

https://github.com/llvm/llvm-project/pull/223259