forked from OSchip/llvm-project
59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
// 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
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// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-pch -o %t.pch %s -std=c++2a
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// 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
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// CHECK: @a = global i32 123,
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int a = (delete new int, 123);
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struct B {
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constexpr B() {}
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constexpr ~B() { n *= 5; }
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int n = 123;
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};
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// CHECK: @b = global {{.*}} i32 123
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extern constexpr B b = B();
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// CHECK: @_ZL1c = internal global {{.*}} i32 123
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const B c;
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int use_c() { return c.n; }
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struct D {
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int n;
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constexpr ~D() {}
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};
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D d;
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// CHECK: @d = global {{.*}} zeroinitializer
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D d_arr[3];
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// CHECK: @d_arr = global {{.*}} zeroinitializer
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thread_local D d_tl;
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// CHECK: @d_tl = thread_local global {{.*}} zeroinitializer
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// CHECK-NOT: @llvm.global_ctors
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// CHECK-LABEL: define {{.*}} @_Z1fv(
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void f() {
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// CHECK-NOT: call
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// CHECK: call {{.*}}memcpy
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// CHECK-NOT: call
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// CHECK: call {{.*}}memset
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// CHECK-NOT: call
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// CHECK: }
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constexpr B b;
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D d = D();
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}
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// CHECK-LABEL: define {{.*}} @_Z1gv(
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void g() {
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// CHECK-NOT: call
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// CHECK-NOT: cxa_guard
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// CHECK-NOT: _ZGV
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// CHECK: }
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static constexpr B b1;
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static const B b2;
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static D d;
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thread_local D d_tl;
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}
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