1*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-pc-win32 | FileCheck %s 2f4a2713aSLionel Sambuc 3f4a2713aSLionel Sambuc struct ClassWithoutDtor { 4f4a2713aSLionel Sambuc char x; 5f4a2713aSLionel Sambuc }; 6f4a2713aSLionel Sambuc check_array_no_cookies()7f4a2713aSLionel Sambucvoid check_array_no_cookies() { 8f4a2713aSLionel Sambuc // CHECK: define void @"\01?check_array_no_cookies@@YAXXZ"() [[NUW:#[0-9]+]] 9f4a2713aSLionel Sambuc 10f4a2713aSLionel Sambuc // CHECK: call noalias i8* @"\01??_U@YAPAXI@Z"(i32 42) 11f4a2713aSLionel Sambuc ClassWithoutDtor *array = new ClassWithoutDtor[42]; 12f4a2713aSLionel Sambuc 13f4a2713aSLionel Sambuc // CHECK: call void @"\01??_V@YAXPAX@Z"( 14f4a2713aSLionel Sambuc delete [] array; 15f4a2713aSLionel Sambuc 16f4a2713aSLionel Sambuc } 17f4a2713aSLionel Sambuc 18f4a2713aSLionel Sambuc struct ClassWithDtor { 19f4a2713aSLionel Sambuc char x; ~ClassWithDtorClassWithDtor20f4a2713aSLionel Sambuc ~ClassWithDtor() {} 21f4a2713aSLionel Sambuc }; 22f4a2713aSLionel Sambuc check_array_cookies_simple()23f4a2713aSLionel Sambucvoid check_array_cookies_simple() { 24f4a2713aSLionel Sambuc // CHECK: define {{.*}} @"\01?check_array_cookies_simple@@YAXXZ"() 25f4a2713aSLionel Sambuc 26f4a2713aSLionel Sambuc ClassWithDtor *array = new ClassWithDtor[42]; 27f4a2713aSLionel Sambuc // CHECK: [[ALLOCATED:%.*]] = call noalias i8* @"\01??_U@YAPAXI@Z"(i32 46) 28f4a2713aSLionel Sambuc // 46 = 42 + size of cookie (4) 29f4a2713aSLionel Sambuc // CHECK: [[COOKIE:%.*]] = bitcast i8* [[ALLOCATED]] to i32* 30f4a2713aSLionel Sambuc // CHECK: store i32 42, i32* [[COOKIE]] 31f4a2713aSLionel Sambuc // CHECK: [[ARRAY:%.*]] = getelementptr inbounds i8* [[ALLOCATED]], i64 4 32f4a2713aSLionel Sambuc // CHECK: bitcast i8* [[ARRAY]] to [[CLASS:%.*]]* 33f4a2713aSLionel Sambuc 34f4a2713aSLionel Sambuc delete [] array; 35f4a2713aSLionel Sambuc // CHECK: [[ARRAY_AS_CHAR:%.*]] = bitcast [[CLASS]]* {{%.*}} to i8* 36f4a2713aSLionel Sambuc // CHECK: getelementptr inbounds i8* [[ARRAY_AS_CHAR]], i64 -4 37f4a2713aSLionel Sambuc } 38f4a2713aSLionel Sambuc 39f4a2713aSLionel Sambuc struct __attribute__((aligned(8))) ClassWithAlignment { 40f4a2713aSLionel Sambuc // FIXME: replace __attribute__((aligned(8))) with __declspec(align(8)) once 41f4a2713aSLionel Sambuc // http://llvm.org/bugs/show_bug.cgi?id=12631 is fixed. 42f4a2713aSLionel Sambuc int *x, *y; ~ClassWithAlignmentClassWithAlignment43f4a2713aSLionel Sambuc ~ClassWithAlignment() {} 44f4a2713aSLionel Sambuc }; 45f4a2713aSLionel Sambuc check_array_cookies_aligned()46f4a2713aSLionel Sambucvoid check_array_cookies_aligned() { 47f4a2713aSLionel Sambuc // CHECK: define {{.*}} @"\01?check_array_cookies_aligned@@YAXXZ"() 48f4a2713aSLionel Sambuc ClassWithAlignment *array = new ClassWithAlignment[42]; 49f4a2713aSLionel Sambuc // CHECK: [[ALLOCATED:%.*]] = call noalias i8* @"\01??_U@YAPAXI@Z"(i32 344) 50f4a2713aSLionel Sambuc // 344 = 42*8 + size of cookie (8, due to alignment) 51f4a2713aSLionel Sambuc // CHECK: [[COOKIE:%.*]] = bitcast i8* [[ALLOCATED]] to i32* 52f4a2713aSLionel Sambuc // CHECK: store i32 42, i32* [[COOKIE]] 53f4a2713aSLionel Sambuc // CHECK: [[ARRAY:%.*]] = getelementptr inbounds i8* [[ALLOCATED]], i64 8 54f4a2713aSLionel Sambuc // CHECK: bitcast i8* [[ARRAY]] to [[CLASS:%.*]]* 55f4a2713aSLionel Sambuc 56f4a2713aSLionel Sambuc delete [] array; 57f4a2713aSLionel Sambuc // CHECK: [[ARRAY_AS_CHAR:%.*]] = bitcast [[CLASS]]* 58f4a2713aSLionel Sambuc // CHECK: getelementptr inbounds i8* [[ARRAY_AS_CHAR]], i64 -8 59f4a2713aSLionel Sambuc } 60f4a2713aSLionel Sambuc 61f4a2713aSLionel Sambuc // CHECK: attributes [[NUW]] = { nounwind{{.*}} } 62