45 lines · c
1// RUN: %clang_cc1 -triple i386-pc-win32 %s -emit-llvm -fms-compatibility -O2 -disable-llvm-passes -o - | FileCheck %s2 3__declspec(selectany) int x1 = 1;4const __declspec(selectany) int x2 = 2;5// CHECK: @x1 = weak_odr dso_local global i32 1, comdat, align 46// CHECK: @x2 = weak_odr dso_local constant i32 2, comdat, align 47 8// selectany turns extern variable declarations into definitions.9__declspec(selectany) int x3;10extern __declspec(selectany) int x4;11// CHECK: @x3 = weak_odr dso_local global i32 0, comdat, align 412// CHECK: @x4 = weak_odr dso_local global i32 0, comdat, align 413 14struct __declspec(align(16)) S {15 char x;16};17union { struct S s; } u;18 19// CHECK: @u = {{.*}}zeroinitializer, align 1620 21 22// CHECK: define dso_local void @t3() [[NAKED:#[0-9]+]] {23__declspec(naked) void t3(void) {}24 25// CHECK: define dso_local void @t22() [[NUW:#[0-9]+]]26void __declspec(nothrow) t22(void);27void t22(void) {}28 29// CHECK: define dso_local void @t2() [[NI:#[0-9]+]] {30__declspec(noinline) void t2(void) {}31 32// CHECK: call void @f20_t() [[NR:#[0-9]+]]33__declspec(noreturn) void f20_t(void);34void f20(void) { f20_t(); }35 36__declspec(noalias) void noalias_callee(int *x);37// CHECK: call void @noalias_callee({{.*}}) [[NA:#[0-9]+]]38void 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]] = { nounwind memory(argmem: readwrite, inaccessiblemem: readwrite){{.*}} }45