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// RUN: %clang_cc1 -emit-llvm %s -o - -mconstructor-aliases -cxx-abi microsoft -triple=i386-pc-win32 | FileCheck %s
// CHECK: @llvm.global_ctors = appending global [2 x { i32, void ()* }]
// CHECK: [{ i32, void ()* } { i32 65535, void ()* @"\01??__Efoo@?$B@H@@YAXXZ" },
// CHECK: { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
struct S {
S();
~S();
};
S s;
// CHECK: define internal void @"\01??__Es@@YAXXZ"() [[NUW:#[0-9]+]]
// CHECK: %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc %struct.S* @"\01??0S@@QAE@XZ"
// CHECK: call i32 @atexit(void ()* @"\01??__Fs@@YAXXZ")
// CHECK: ret void
// CHECK: define internal void @"\01??__Fs@@YAXXZ"() [[NUW]] {
// CHECK: call x86_thiscallcc void @"\01??1S@@QAE@XZ"
// CHECK: ret void
void StaticLocal() {
static S TheS;
}
// CHECK-LABEL: define void @"\01?StaticLocal@@YAXXZ"()
// CHECK: load i32* @"\01?$S1@?1??StaticLocal@@YAXXZ@4IA"
// CHECK: store i32 {{.*}}, i32* @"\01?$S1@?1??StaticLocal@@YAXXZ@4IA"
// CHECK: ret
void MultipleStatics() {
static S S1;
static S S2;
static S S3;
static S S4;
static S S5;
static S S6;
static S S7;
static S S8;
static S S9;
static S S10;
static S S11;
static S S12;
static S S13;
static S S14;
static S S15;
static S S16;
static S S17;
static S S18;
static S S19;
static S S20;
static S S21;
static S S22;
static S S23;
static S S24;
static S S25;
static S S26;
static S S27;
static S S28;
static S S29;
static S S30;
static S S31;
static S S32;
static S S33;
static S S34;
static S S35;
}
// CHECK-LABEL: define void @"\01?MultipleStatics@@YAXXZ"()
// CHECK: load i32* @"\01?$S1@?1??MultipleStatics@@YAXXZ@4IA"
// CHECK: and i32 {{.*}}, 1
// CHECK: and i32 {{.*}}, 2
// CHECK: and i32 {{.*}}, 4
// CHECK: and i32 {{.*}}, 8
// CHECK: and i32 {{.*}}, 16
// ...
// CHECK: and i32 {{.*}}, -2147483648
// CHECK: load i32* @"\01?$S1@?1??MultipleStatics@@YAXXZ@4IA1"
// CHECK: and i32 {{.*}}, 1
// CHECK: and i32 {{.*}}, 2
// CHECK: and i32 {{.*}}, 4
// CHECK: ret
// Force WeakODRLinkage by using templates
class A {
public:
A() {}
~A() {}
};
template<typename T>
class B {
public:
static A foo;
};
template<typename T> A B<T>::foo;
inline S &UnreachableStatic() {
if (0) {
static S s; // bit 1
return s;
}
static S s; // bit 2
return s;
}
// CHECK-LABEL: define linkonce_odr %struct.S* @"\01?UnreachableStatic@@YAAAUS@@XZ"()
// CHECK: and i32 {{.*}}, 2
// CHECK: or i32 {{.*}}, 2
// CHECK: ret
inline S &getS() {
static S TheS;
return TheS;
}
// CHECK-LABEL: define linkonce_odr %struct.S* @"\01?getS@@YAAAUS@@XZ"
// CHECK: load i32* @"\01??_B?1??getS@@YAAAUS@@XZ@51"
// CHECK: and i32 {{.*}}, 1
// CHECK: icmp ne i32 {{.*}}, 0
// CHECK: br i1
// init:
// CHECK: or i32 {{.*}}, 1
// CHECK: store i32 {{.*}}, i32* @"\01??_B?1??getS@@YAAAUS@@XZ@51"
// CHECK: call x86_thiscallcc %struct.S* @"\01??0S@@QAE@XZ"(%struct.S* @"\01?TheS@?1??getS@@YAAAUS@@XZ@4U2@A")
// CHECK: call i32 @atexit(void ()* @"\01??__FTheS@?1??getS@@YAAAUS@@XZ@YAXXZ")
// CHECK: br label
// init.end:
// CHECK: ret %struct.S* @"\01?TheS@?1??getS@@YAAAUS@@XZ@4U2@A"
void force_usage() {
UnreachableStatic();
getS();
(void)B<int>::foo; // (void) - force usage
}
// CHECK: define internal void @"\01??__Efoo@?$B@H@@YAXXZ"() [[NUW]]
// CHECK: %{{[.0-9A-Z_a-z]+}} = call x86_thiscallcc %class.A* @"\01??0A@@QAE@XZ"
// CHECK: call i32 @atexit(void ()* @"\01??__Ffoo@?$B@H@@YAXXZ")
// CHECK: ret void
// CHECK: define linkonce_odr x86_thiscallcc %class.A* @"\01??0A@@QAE@XZ"
// CHECK: define linkonce_odr x86_thiscallcc void @"\01??1A@@QAE@XZ"
// CHECK: define internal void @"\01??__Ffoo@?$B@H@@YAXXZ"
// CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"{{.*}}foo
// CHECK: ret void
// CHECK: define internal void @_GLOBAL__I_a() [[NUW]] {
// CHECK: call void @"\01??__Es@@YAXXZ"()
// CHECK: ret void
// CHECK: attributes [[NUW]] = { nounwind }
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