[clang] [clang] Add Swift support for MIPS (PR #205461)

[Alsey Coleman Miller via cfe-commits]

================
@@ -44,7 +44,10 @@ class MIPSTargetCodeGenInfo : public TargetCodeGenInfo {
 public:
   MIPSTargetCodeGenInfo(CodeGenTypes &CGT, bool IsO32)
       : TargetCodeGenInfo(std::make_unique<MipsABIInfo>(CGT, IsO32)),
-        SizeOfUnwindException(IsO32 ? 24 : 32) {}
+        SizeOfUnwindException(IsO32 ? 24 : 32) {
+    SwiftInfo =
+        std::make_unique<SwiftABIInfo>(CGT, /*SwiftErrorInRegister=*/false);
----------------
colemancda wrote:

I assume we can, its just more involved, and I wanted to submit the minimum amount of changes needed to enable the language.

https://github.com/llvm/llvm-project/pull/205461