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It's perfectly fine to see UserDefinedConversion casts when emitting scalar expressions. 

llvm-svn: 91686
This commit is contained in:
Anders Carlsson 2009-12-18 14:42:03 +00:00
parent 6f8dba7f9e
commit b396f43520
2 changed files with 7 additions and 1 deletions
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2
clang/lib/CodeGen/CGExprScalar.cpp
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@ -816,6 +816,7 @@ Value *ScalarExprEmitter::EmitCastExpr(CastExpr *CE) {
return Builder.CreateBitCast(Src, ConvertType(DestTy)); return Builder.CreateBitCast(Src, ConvertType(DestTy));
} }
case CastExpr::CK_NoOp: case CastExpr::CK_NoOp:
case CastExpr::CK_UserDefinedConversion:
return Visit(const_cast<Expr*>(E)); return Visit(const_cast<Expr*>(E));
case CastExpr::CK_BaseToDerived: { case CastExpr::CK_BaseToDerived: {
@ -903,7 +904,6 @@ Value *ScalarExprEmitter::EmitCastExpr(CastExpr *CE) {
return Src; return Src;
} }
case CastExpr::CK_UserDefinedConversion:
case CastExpr::CK_ConstructorConversion: case CastExpr::CK_ConstructorConversion:
assert(0 && "Should be unreachable!"); assert(0 && "Should be unreachable!");
break; break;

6
clang/test/CodeGenCXX/conversion-function.cpp
View File

@ -12,6 +12,9 @@ S::operator int() {
return 10; return 10;
} }
int f(S s) {
return s;
}
class X { // ... class X { // ...
public: operator int() { printf("operator int()\n"); return iX; } public: operator int() { printf("operator int()\n"); return iX; }
@ -94,6 +97,9 @@ void f(Yb& a) {
char ch = a; // OK. calls Yb::operator char(); char ch = a; // OK. calls Yb::operator char();
} }
struct A {
operator int() const;
};
// CHECK-LP64: .globl __ZN1ScviEv // CHECK-LP64: .globl __ZN1ScviEv
// CHECK-LP64-NEXT: __ZN1ScviEv: // CHECK-LP64-NEXT: __ZN1ScviEv: