1 // RUN: %clang_cc1 -ast-dump %s 2>&1 | FileCheck %s 2 3 // CHECK: example0 4 void example0() { 5 double d = 2.0; 6 // CHECK: VarDecl{{.*}}rd 'double &' 7 // CHECK-NEXT: DeclRefExpr 8 double &rd = d; 9 // CHECK: VarDecl{{.*}}rcd 'const double &' 10 // CHECK-NEXT: ImplicitCastExpr{{.*}}'const double' lvalue <NoOp> 11 const double &rcd = d; 12 } 13 14 struct A { }; 15 struct B : A { } b; 16 17 // CHECK: example1 18 void example1() { 19 // CHECK: VarDecl{{.*}}ra 'struct A &' 20 // CHECK: ImplicitCastExpr{{.*}}'struct A' lvalue <DerivedToBase (A)> 21 A &ra = b; 22 // CHECK: VarDecl{{.*}}rca 'const struct A &' 23 // CHECK: ImplicitCastExpr{{.*}}'const struct A' lvalue <NoOp> 24 // CHECK: ImplicitCastExpr{{.*}}'struct A' lvalue <DerivedToBase (A)> 25 const A& rca = b; 26 } 27 28 extern B f(); 29 30 struct X { 31 operator B(); 32 } x; 33 34 // CHECK: example2 35 void example2() { 36 // CHECK: VarDecl{{.*}}rca 'const struct A &' 37 // CHECK: ImplicitCastExpr{{.*}}'const struct A' <NoOp> 38 // CHECK: ImplicitCastExpr{{.*}}'struct A' <DerivedToBase (A)> 39 // CHECK: CallExpr{{.*}}B 40 const A &rca = f(); 41 // CHECK: VarDecl{{.*}}r 'const struct A &' 42 // CHECK: ImplicitCastExpr{{.*}}'const struct A' <NoOp> 43 // CHECK: ImplicitCastExpr{{.*}}'struct A' <DerivedToBase (A)> 44 // CHECK: CXXMemberCallExpr{{.*}}'struct B' 45 const A& r = x; 46 } 47 48 // CHECK: example3 49 void example3() { 50 // CHECK: VarDecl{{.*}}rcd2 'const double &' 51 // CHECK: ImplicitCastExpr{{.*}} <IntegralToFloating> 52 const double& rcd2 = 2; 53 } 54
