[clang] [CIR][NFC] Fix copy constructed AP real and imag values (PR #159935)

[Amr Hesham via cfe-commits]

https://github.com/AmrDeveloper created https://github.com/llvm/llvm-project/pull/159935

Fix warning about copy-constructed APInt & APFloat values

>From 3eae0e13b1d32fe96cee93fe80d0d023c2942f25 Mon Sep 17 00:00:00 2001
From: AmrDeveloper <amr96 at programmer.net>
Date: Sat, 20 Sep 2025 18:24:16 +0200
Subject: [PATCH] [CIR][NFC] Fix copy AP real and imag values

---
 clang/lib/CIR/CodeGen/CIRGenExprConstant.cpp | 23 ++++++++++----------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/clang/lib/CIR/CodeGen/CIRGenExprConstant.cpp b/clang/lib/CIR/CodeGen/CIRGenExprConstant.cpp
index f660544d13cfa..178b276f19d41 100644
--- a/clang/lib/CIR/CodeGen/CIRGenExprConstant.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenExprConstant.cpp
@@ -1464,25 +1464,24 @@ mlir::Attribute ConstantEmitter::tryEmitPrivate(const APValue &value,
   case APValue::ComplexInt:
   case APValue::ComplexFloat: {
     mlir::Type desiredType = cgm.convertType(destType);
-    cir::ComplexType complexType =
-        mlir::dyn_cast<cir::ComplexType>(desiredType);
+    auto complexType = mlir::dyn_cast<cir::ComplexType>(desiredType);
 
     mlir::Type complexElemTy = complexType.getElementType();
     if (isa<cir::IntType>(complexElemTy)) {
-      llvm::APSInt real = value.getComplexIntReal();
-      llvm::APSInt imag = value.getComplexIntImag();
-      return builder.getAttr<cir::ConstComplexAttr>(
-          complexType, cir::IntAttr::get(complexElemTy, real),
-          cir::IntAttr::get(complexElemTy, imag));
+      const llvm::APSInt &real = value.getComplexIntReal();
+      const llvm::APSInt &imag = value.getComplexIntImag();
+      return cir::ConstComplexAttr::get(builder.getContext(), complexType,
+                                        cir::IntAttr::get(complexElemTy, real),
+                                        cir::IntAttr::get(complexElemTy, imag));
     }
 
     assert(isa<cir::FPTypeInterface>(complexElemTy) &&
            "expected floating-point type");
-    llvm::APFloat real = value.getComplexFloatReal();
-    llvm::APFloat imag = value.getComplexFloatImag();
-    return builder.getAttr<cir::ConstComplexAttr>(
-        complexType, cir::FPAttr::get(complexElemTy, real),
-        cir::FPAttr::get(complexElemTy, imag));
+    const llvm::APFloat &real = value.getComplexFloatReal();
+    const llvm::APFloat &imag = value.getComplexFloatImag();
+    return cir::ConstComplexAttr::get(builder.getContext(), complexType,
+                                      cir::FPAttr::get(complexElemTy, real),
+                                      cir::FPAttr::get(complexElemTy, imag));
   }
   case APValue::FixedPoint:
   case APValue::AddrLabelDiff: