53 lines · cpp
1// Test without serialization:2// RUN: %clang_cc1 -triple x86_64-unknown-unknown -Wno-unused-value -std=gnu++17 \3// RUN: -ast-dump %s -ast-dump-filter Test \4// RUN: | FileCheck --strict-whitespace --match-full-lines %s5//6// Test with serialization:7// RUN: %clang_cc1 -triple x86_64-unknown-unknown -Wno-unused-value -std=gnu++17 -emit-pch -o %t %s8// RUN: %clang_cc1 -x c++ -triple x86_64-unknown-unknown -Wno-unused-value -std=gnu++17 \9// RUN: -include-pch %t -ast-dump-all -ast-dump-filter Test /dev/null \10// RUN: | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" \11// RUN: | FileCheck --strict-whitespace --match-full-lines %s12 13struct S0 {14 union {15 int i = 42;16 };17};18 19union U0 {20 union {21 float f = 3.1415f;22 };23};24 25union U1 {26 union {27 float f;28 };29};30 31void Test() {32 constexpr S0 s0{};33 // CHECK: | `-VarDecl {{.*}} <col:{{.*}}, col:{{.*}}> col:{{.*}} s0 'const S0' constexpr listinit34 // CHECK-NEXT: | |-value: Struct35 // CHECK-NEXT: | | `-field: Union .i Int 4236 37 constexpr U0 u0a{};38 // CHECK: | `-VarDecl {{.*}} <col:{{.*}}, col:{{.*}}> col:{{.*}} u0a 'const U0' constexpr listinit39 // CHECK-NEXT: | |-value: Union .U0::(anonymous union at {{.*}}) Union .f Float 3.141500e+0040 41 constexpr U0 u0b{3.1415f};42 // CHECK: | `-VarDecl {{.*}} <col:{{.*}}, col:{{.*}}> col:{{.*}} u0b 'const U0' constexpr listinit43 // CHECK-NEXT: | |-value: Union .U0::(anonymous union at {{.*}}) Union .f Float 3.141500e+0044 45 constexpr U1 u1a{};46 // CHECK: | `-VarDecl {{.*}} <col:{{.*}}, col:{{.*}}> col:{{.*}} u1a 'const U1' constexpr listinit47 // CHECK-NEXT: | |-value: Union .U1::(anonymous union at {{.*}}) Union .f Float 0.000000e+0048 49 constexpr U1 u1b{3.1415f};50 // CHECK: `-VarDecl {{.*}} <col:{{.*}}, col:{{.*}}> col:{{.*}} u1b 'const U1' constexpr listinit51 // CHECK-NEXT: |-value: Union .U1::(anonymous union at {{.*}}) Union .f Float 3.141500e+0052}53