[clang] [compiler-rt] [llvm] [SPARC] Properly handle CC for long double on sparc32 (PR #162226)

[Sergei Barannikov via llvm-commits]

================
@@ -26,19 +26,29 @@ class SparcV8ABIInfo : public DefaultABIInfo {
 
 private:
   ABIArgInfo classifyReturnType(QualType RetTy) const;
+  ABIArgInfo classifyArgumentType(QualType Ty) const;
   void computeInfo(CGFunctionInfo &FI) const override;
 };
 } // end anonymous namespace
 
+ABIArgInfo SparcV8ABIInfo::classifyReturnType(QualType Ty) const {
+  if (Ty->isRealFloatingType() && getContext().getTypeSize(Ty) == 128)
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s-barannikov wrote:

This should check for long double directly

```suggestion
  if (const auto *BT = ResultType->getAs<BuiltinType>();
      BT->getKind() == BuiltinType::LongDouble)
```

https://github.com/llvm/llvm-project/pull/162226