diff options
Diffstat (limited to 'clang/test/CodeGenCXX/const-init-cxx2a.cpp')
-rw-r--r-- | clang/test/CodeGenCXX/const-init-cxx2a.cpp | 57 |
1 files changed, 55 insertions, 2 deletions
diff --git a/clang/test/CodeGenCXX/const-init-cxx2a.cpp b/clang/test/CodeGenCXX/const-init-cxx2a.cpp index 499a16ea6dd..1195b912c25 100644 --- a/clang/test/CodeGenCXX/const-init-cxx2a.cpp +++ b/clang/test/CodeGenCXX/const-init-cxx2a.cpp @@ -1,5 +1,58 @@ -// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin -emit-llvm -o - %s -std=c++2a | FileCheck %s -// expected-no-diagnostics +// 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 + +// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-pch -o %t.pch %s -std=c++2a +// 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 // CHECK: @a = global i32 123, int a = (delete new int, 123); + +struct B { + constexpr B() {} + constexpr ~B() { n *= 5; } + int n = 123; +}; +// CHECK: @b = global {{.*}} i32 123 +extern constexpr B b = B(); + +// CHECK: @_ZL1c = internal global {{.*}} i32 123 +const B c; +int use_c() { return c.n; } + +struct D { + int n; + constexpr ~D() {} +}; +D d; +// CHECK: @d = global {{.*}} zeroinitializer + +D d_arr[3]; +// CHECK: @d_arr = global {{.*}} zeroinitializer + +thread_local D d_tl; +// CHECK: @d_tl = thread_local global {{.*}} zeroinitializer + +// CHECK-NOT: @llvm.global_ctors + +// CHECK-LABEL: define {{.*}} @_Z1fv( +void f() { + // CHECK-NOT: call + // CHECK: call {{.*}}memcpy + // CHECK-NOT: call + // CHECK: call {{.*}}memset + // CHECK-NOT: call + // CHECK: } + constexpr B b; + D d = D(); +} + +// CHECK-LABEL: define {{.*}} @_Z1gv( +void g() { + // CHECK-NOT: call + // CHECK-NOT: cxa_guard + // CHECK-NOT: _ZGV + // CHECK: } + static constexpr B b1; + static const B b2; + static D d; + thread_local D d_tl; +} |