diff options
| author | Chandler Carruth <chandlerc@gmail.com> | 2010-02-25 07:20:54 +0000 |
|---|---|---|
| committer | Chandler Carruth <chandlerc@gmail.com> | 2010-02-25 07:20:54 +0000 |
| commit | 23a370f9455698e5501101aea7ad8a884a8d4556 (patch) | |
| tree | 26fa02f2206ce3bff4d8c4f7b90a96e5c759ae8f /lib/Sema/SemaOverload.cpp | |
| parent | 0024a9af26ca0710b4c5fc292641df29f3530fed (diff) | |
Add a new conversion rank to classify conversions between complex and scalar
types. Rank these conversions below other conversions. This allows overload
resolution when the only distinction is between a complex and scalar type. It
also brings the complex overload resolutin in line with GCC's.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97128 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaOverload.cpp')
| -rw-r--r-- | lib/Sema/SemaOverload.cpp | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/lib/Sema/SemaOverload.cpp b/lib/Sema/SemaOverload.cpp index ffda69dcc8..7208b90939 100644 --- a/lib/Sema/SemaOverload.cpp +++ b/lib/Sema/SemaOverload.cpp @@ -80,7 +80,7 @@ ImplicitConversionRank GetConversionRank(ImplicitConversionKind Kind) { ICR_Conversion, ICR_Conversion, ICR_Conversion, - ICR_Conversion + ICR_Complex_Real_Conversion }; return Rank[(int)Kind]; } @@ -669,14 +669,19 @@ Sema::IsStandardConversion(Expr* From, QualType ToType, // Integral conversions (C++ 4.7). SCS.Second = ICK_Integral_Conversion; FromType = ToType.getUnqualifiedType(); - } else if (FromType->isFloatingType() && ToType->isFloatingType()) { - // Floating point conversions (C++ 4.8). - SCS.Second = ICK_Floating_Conversion; - FromType = ToType.getUnqualifiedType(); } else if (FromType->isComplexType() && ToType->isComplexType()) { // Complex conversions (C99 6.3.1.6) SCS.Second = ICK_Complex_Conversion; FromType = ToType.getUnqualifiedType(); + } else if ((FromType->isComplexType() && ToType->isArithmeticType()) || + (ToType->isComplexType() && FromType->isArithmeticType())) { + // Complex-real conversions (C99 6.3.1.7) + SCS.Second = ICK_Complex_Real; + FromType = ToType.getUnqualifiedType(); + } else if (FromType->isFloatingType() && ToType->isFloatingType()) { + // Floating point conversions (C++ 4.8). + SCS.Second = ICK_Floating_Conversion; + FromType = ToType.getUnqualifiedType(); } else if ((FromType->isFloatingType() && ToType->isIntegralType() && (!ToType->isBooleanType() && !ToType->isEnumeralType())) || @@ -685,11 +690,6 @@ Sema::IsStandardConversion(Expr* From, QualType ToType, // Floating-integral conversions (C++ 4.9). SCS.Second = ICK_Floating_Integral; FromType = ToType.getUnqualifiedType(); - } else if ((FromType->isComplexType() && ToType->isArithmeticType()) || - (ToType->isComplexType() && FromType->isArithmeticType())) { - // Complex-real conversions (C99 6.3.1.7) - SCS.Second = ICK_Complex_Real; - FromType = ToType.getUnqualifiedType(); } else if (IsPointerConversion(From, FromType, ToType, InOverloadResolution, FromType, IncompatibleObjC)) { // Pointer conversions (C++ 4.10). |