================
@@ -159,6 +159,55 @@ static bool hasIncompleteRecordByValue(mlir::Type ty) {
return false;
}
+/// Whether \p ty has the x87 80-bit format, wrapped in LongDoubleType or not.
+static bool isX87LongDouble(mlir::Type ty) {
+ auto fpTy = dyn_cast<cir::FPTypeInterface>(ty);
+ return fpTy &&
+ &fpTy.getFloatSemantics() == &llvm::APFloat::x87DoubleExtended();
+}
+
+/// Whether \p ty is, or holds by value, an x87 long double, alone or as the
+/// element of a _Complex or a vector.
+static bool holdsX87LongDouble(mlir::Type ty) {
+ if (isa<cir::FPTypeInterface>(ty))
+ return isX87LongDouble(ty);
+ if (auto complexTy = dyn_cast<cir::ComplexType>(ty))
+ return holdsX87LongDouble(complexTy.getElementType());
----------------
andykaylor wrote:
```suggestion
return isX87LongDouble(complexTy.getElementType());
```
There's no need for the recursive call in the case of a complex type.
https://github.com/llvm/llvm-project/pull/230302
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