1*67e74705SXin Li // RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-pc-win32 | FileCheck %s
2*67e74705SXin Li
3*67e74705SXin Li struct ClassWithoutDtor {
4*67e74705SXin Li char x;
5*67e74705SXin Li };
6*67e74705SXin Li
check_array_no_cookies()7*67e74705SXin Li void check_array_no_cookies() {
8*67e74705SXin Li // CHECK: define void @"\01?check_array_no_cookies@@YAXXZ"() [[NUW:#[0-9]+]]
9*67e74705SXin Li
10*67e74705SXin Li // CHECK: call i8* @"\01??_U@YAPAXI@Z"(i32 42)
11*67e74705SXin Li ClassWithoutDtor *array = new ClassWithoutDtor[42];
12*67e74705SXin Li
13*67e74705SXin Li // CHECK: call void @"\01??_V@YAXPAX@Z"(
14*67e74705SXin Li delete [] array;
15*67e74705SXin Li
16*67e74705SXin Li }
17*67e74705SXin Li
18*67e74705SXin Li struct ClassWithDtor {
19*67e74705SXin Li char x;
~ClassWithDtorClassWithDtor20*67e74705SXin Li ~ClassWithDtor() {}
21*67e74705SXin Li };
22*67e74705SXin Li
check_array_cookies_simple()23*67e74705SXin Li void check_array_cookies_simple() {
24*67e74705SXin Li // CHECK: define {{.*}} @"\01?check_array_cookies_simple@@YAXXZ"()
25*67e74705SXin Li
26*67e74705SXin Li ClassWithDtor *array = new ClassWithDtor[42];
27*67e74705SXin Li // CHECK: [[ALLOCATED:%.*]] = call i8* @"\01??_U@YAPAXI@Z"(i32 46)
28*67e74705SXin Li // 46 = 42 + size of cookie (4)
29*67e74705SXin Li // CHECK: [[COOKIE:%.*]] = bitcast i8* [[ALLOCATED]] to i32*
30*67e74705SXin Li // CHECK: store i32 42, i32* [[COOKIE]]
31*67e74705SXin Li // CHECK: [[ARRAY:%.*]] = getelementptr inbounds i8, i8* [[ALLOCATED]], i32 4
32*67e74705SXin Li // CHECK: bitcast i8* [[ARRAY]] to [[CLASS:%.*]]*
33*67e74705SXin Li
34*67e74705SXin Li delete [] array;
35*67e74705SXin Li // CHECK: [[ARRAY_AS_CHAR:%.*]] = bitcast [[CLASS]]* {{%.*}} to i8*
36*67e74705SXin Li // CHECK: getelementptr inbounds i8, i8* [[ARRAY_AS_CHAR]], i32 -4
37*67e74705SXin Li }
38*67e74705SXin Li
39*67e74705SXin Li struct __attribute__((aligned(8))) ClassWithAlignment {
40*67e74705SXin Li // FIXME: replace __attribute__((aligned(8))) with __declspec(align(8)) once
41*67e74705SXin Li // http://llvm.org/bugs/show_bug.cgi?id=12631 is fixed.
42*67e74705SXin Li int *x, *y;
~ClassWithAlignmentClassWithAlignment43*67e74705SXin Li ~ClassWithAlignment() {}
44*67e74705SXin Li };
45*67e74705SXin Li
check_array_cookies_aligned()46*67e74705SXin Li void check_array_cookies_aligned() {
47*67e74705SXin Li // CHECK: define {{.*}} @"\01?check_array_cookies_aligned@@YAXXZ"()
48*67e74705SXin Li ClassWithAlignment *array = new ClassWithAlignment[42];
49*67e74705SXin Li // CHECK: [[ALLOCATED:%.*]] = call i8* @"\01??_U@YAPAXI@Z"(i32 344)
50*67e74705SXin Li // 344 = 42*8 + size of cookie (8, due to alignment)
51*67e74705SXin Li // CHECK: [[COOKIE:%.*]] = bitcast i8* [[ALLOCATED]] to i32*
52*67e74705SXin Li // CHECK: store i32 42, i32* [[COOKIE]]
53*67e74705SXin Li // CHECK: [[ARRAY:%.*]] = getelementptr inbounds i8, i8* [[ALLOCATED]], i32 8
54*67e74705SXin Li // CHECK: bitcast i8* [[ARRAY]] to [[CLASS:%.*]]*
55*67e74705SXin Li
56*67e74705SXin Li delete [] array;
57*67e74705SXin Li // CHECK: [[ARRAY_AS_CHAR:%.*]] = bitcast [[CLASS]]*
58*67e74705SXin Li // CHECK: getelementptr inbounds i8, i8* [[ARRAY_AS_CHAR]], i32 -8
59*67e74705SXin Li }
60*67e74705SXin Li
61*67e74705SXin Li namespace PR23990 {
62*67e74705SXin Li struct S {
63*67e74705SXin Li char x[42];
64*67e74705SXin Li void operator delete[](void *p, __SIZE_TYPE__);
65*67e74705SXin Li // CHECK-LABEL: define void @"\01?delete_s@PR23990@@YAXPAUS@1@@Z"(
66*67e74705SXin Li // CHECK: call void @"\01??_VS@PR23990@@SAXPAXI@Z"(i8* {{.*}}, i32 42)
67*67e74705SXin Li };
delete_s(S * s)68*67e74705SXin Li void delete_s(S *s) { delete[] s; }
69*67e74705SXin Li }
70*67e74705SXin Li
71*67e74705SXin Li // CHECK: attributes [[NUW]] = { nounwind{{.*}} }
72