ast-dump-APValue-anon-union.cpp
1.76 KB
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// Test without serialization:
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -Wno-unused-value -std=gnu++17 \
// RUN: -ast-dump %s -ast-dump-filter Test \
// RUN: | FileCheck --strict-whitespace --match-full-lines %s
//
// Test with serialization:
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -Wno-unused-value -std=gnu++17 -emit-pch -o %t %s
// RUN: %clang_cc1 -x c++ -triple x86_64-unknown-unknown -Wno-unused-value -std=gnu++17 \
// RUN: -include-pch %t -ast-dump-all -ast-dump-filter Test /dev/null \
// RUN: | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" \
// RUN: | FileCheck --strict-whitespace --match-full-lines %s
struct S0 {
union {
int i = 42;
};
};
union U0 {
union {
float f = 3.1415f;
};
};
union U1 {
union {
float f;
};
};
void Test() {
constexpr S0 s0{};
// CHECK: | `-VarDecl {{.*}} <col:{{.*}}, col:{{.*}}> col:{{.*}} s0 'const S0' constexpr listinit
// CHECK-NEXT: | |-value: Struct
// CHECK-NEXT: | | `-field: Union .i Int 42
constexpr U0 u0a{};
// CHECK: | `-VarDecl {{.*}} <col:{{.*}}, col:{{.*}}> col:{{.*}} u0a 'const U0' constexpr listinit
// CHECK-NEXT: | |-value: Union None
constexpr U0 u0b{3.1415f};
// CHECK: | `-VarDecl {{.*}} <col:{{.*}}, col:{{.*}}> col:{{.*}} u0b 'const U0' constexpr listinit
// CHECK-NEXT: | |-value: Union . Union .f Float 3.141500e+00
constexpr U1 u1a{};
// CHECK: | `-VarDecl {{.*}} <col:{{.*}}, col:{{.*}}> col:{{.*}} u1a 'const U1' constexpr listinit
// CHECK-NEXT: | |-value: Union . Union .f Float 0.000000e+00
constexpr U1 u1b{3.1415f};
// CHECK: `-VarDecl {{.*}} <col:{{.*}}, col:{{.*}}> col:{{.*}} u1b 'const U1' constexpr listinit
// CHECK-NEXT: |-value: Union . Union .f Float 3.141500e+00
}