1 | // RUN: %clang_cc1 -triple i386-pc-win32 %s -emit-llvm -fms-compatibility -O2 -disable-llvm-passes -o - | FileCheck %s |
2 | |
3 | __declspec(selectany) int x1 = 1; |
4 | const __declspec(selectany) int x2 = 2; |
5 | // CHECK: @x1 = weak_odr dso_local global i32 1, comdat, align 4 |
6 | // CHECK: @x2 = weak_odr dso_local constant i32 2, comdat, align 4 |
7 | |
8 | // selectany turns extern variable declarations into definitions. |
9 | __declspec(selectany) int x3; |
10 | extern __declspec(selectany) int x4; |
11 | // CHECK: @x3 = weak_odr dso_local global i32 0, comdat, align 4 |
12 | // CHECK: @x4 = weak_odr dso_local global i32 0, comdat, align 4 |
13 | |
14 | struct __declspec(align(16)) S { |
15 | char x; |
16 | }; |
17 | union { struct S s; } u; |
18 | |
19 | // CHECK: @u = {{.*}}zeroinitializer, align 16 |
20 | |
21 | |
22 | // CHECK: define dso_local void @t3() [[NAKED:#[0-9]+]] { |
23 | __declspec(naked) void t3() {} |
24 | |
25 | // CHECK: define dso_local void @t22() [[NUW:#[0-9]+]] |
26 | void __declspec(nothrow) t22(); |
27 | void t22() {} |
28 | |
29 | // CHECK: define dso_local void @t2() [[NI:#[0-9]+]] { |
30 | __declspec(noinline) void t2() {} |
31 | |
32 | // CHECK: call void @f20_t() [[NR:#[0-9]+]] |
33 | __declspec(noreturn) void f20_t(void); |
34 | void f20(void) { f20_t(); } |
35 | |
36 | __declspec(noalias) void noalias_callee(int *x); |
37 | // CHECK: call void @noalias_callee({{.*}}) [[NA:#[0-9]+]] |
38 | void noalias_caller(int *x) { noalias_callee(x); } |
39 | |
40 | // CHECK: attributes [[NAKED]] = { naked noinline nounwind{{.*}} } |
41 | // CHECK: attributes [[NUW]] = { nounwind{{.*}} } |
42 | // CHECK: attributes [[NI]] = { noinline nounwind{{.*}} } |
43 | // CHECK: attributes [[NR]] = { noreturn } |
44 | // CHECK: attributes [[NA]] = { argmemonly nounwind{{.*}} } |
45 | |