| Richard Smith | 2b4fa53 | 2019-09-29 05:08:46 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s -std=c++2a | FileCheck %s --implicit-check-not=cxx_global_var_init --implicit-check-not=cxa_atexit |
| 2 | |
| 3 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-pch -o %t.pch %s -std=c++2a |
| 4 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -include-pch %t.pch -x c++ /dev/null -emit-llvm -o - -std=c++2a | FileCheck %s --implicit-check-not=cxx_global_var_init --implicit-check-not=cxa_atexit |
| Richard Smith | da1b434 | 2019-09-27 01:26:47 +0000 | [diff] [blame] | 5 | |
| 6 | // CHECK: @a = global i32 123, |
| 7 | int a = (delete new int, 123); |
| Richard Smith | 2b4fa53 | 2019-09-29 05:08:46 +0000 | [diff] [blame] | 8 | |
| 9 | struct B { |
| 10 | constexpr B() {} |
| 11 | constexpr ~B() { n *= 5; } |
| 12 | int n = 123; |
| 13 | }; |
| 14 | // CHECK: @b = global {{.*}} i32 123 |
| 15 | extern constexpr B b = B(); |
| 16 | |
| 17 | // CHECK: @_ZL1c = internal global {{.*}} i32 123 |
| 18 | const B c; |
| 19 | int use_c() { return c.n; } |
| 20 | |
| 21 | struct D { |
| 22 | int n; |
| 23 | constexpr ~D() {} |
| 24 | }; |
| 25 | D d; |
| 26 | // CHECK: @d = global {{.*}} zeroinitializer |
| 27 | |
| 28 | D d_arr[3]; |
| 29 | // CHECK: @d_arr = global {{.*}} zeroinitializer |
| 30 | |
| 31 | thread_local D d_tl; |
| 32 | // CHECK: @d_tl = thread_local global {{.*}} zeroinitializer |
| 33 | |
| 34 | // CHECK-NOT: @llvm.global_ctors |
| 35 | |
| 36 | // CHECK-LABEL: define {{.*}} @_Z1fv( |
| 37 | void f() { |
| 38 | // CHECK-NOT: call |
| 39 | // CHECK: call {{.*}}memcpy |
| 40 | // CHECK-NOT: call |
| 41 | // CHECK: call {{.*}}memset |
| 42 | // CHECK-NOT: call |
| 43 | // CHECK: } |
| 44 | constexpr B b; |
| 45 | D d = D(); |
| 46 | } |
| 47 | |
| 48 | // CHECK-LABEL: define {{.*}} @_Z1gv( |
| 49 | void g() { |
| 50 | // CHECK-NOT: call |
| 51 | // CHECK-NOT: cxa_guard |
| 52 | // CHECK-NOT: _ZGV |
| 53 | // CHECK: } |
| 54 | static constexpr B b1; |
| 55 | static const B b2; |
| 56 | static D d; |
| 57 | thread_local D d_tl; |
| 58 | } |