1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -emit-llvm %s -o - -cxx-abi microsoft -triple=i386-pc-win32 | FileCheck %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc struct ClassWithoutDtor { 4*f4a2713aSLionel Sambuc char x; 5*f4a2713aSLionel Sambuc }; 6*f4a2713aSLionel Sambuc 7*f4a2713aSLionel Sambuc void check_array_no_cookies() { 8*f4a2713aSLionel Sambuc // CHECK: define void @"\01?check_array_no_cookies@@YAXXZ"() [[NUW:#[0-9]+]] 9*f4a2713aSLionel Sambuc 10*f4a2713aSLionel Sambuc // CHECK: call noalias i8* @"\01??_U@YAPAXI@Z"(i32 42) 11*f4a2713aSLionel Sambuc ClassWithoutDtor *array = new ClassWithoutDtor[42]; 12*f4a2713aSLionel Sambuc 13*f4a2713aSLionel Sambuc // CHECK: call void @"\01??_V@YAXPAX@Z"( 14*f4a2713aSLionel Sambuc delete [] array; 15*f4a2713aSLionel Sambuc 16*f4a2713aSLionel Sambuc } 17*f4a2713aSLionel Sambuc 18*f4a2713aSLionel Sambuc struct ClassWithDtor { 19*f4a2713aSLionel Sambuc char x; 20*f4a2713aSLionel Sambuc ~ClassWithDtor() {} 21*f4a2713aSLionel Sambuc }; 22*f4a2713aSLionel Sambuc 23*f4a2713aSLionel Sambuc void check_array_cookies_simple() { 24*f4a2713aSLionel Sambuc // CHECK: define {{.*}} @"\01?check_array_cookies_simple@@YAXXZ"() 25*f4a2713aSLionel Sambuc 26*f4a2713aSLionel Sambuc ClassWithDtor *array = new ClassWithDtor[42]; 27*f4a2713aSLionel Sambuc // CHECK: [[ALLOCATED:%.*]] = call noalias i8* @"\01??_U@YAPAXI@Z"(i32 46) 28*f4a2713aSLionel Sambuc // 46 = 42 + size of cookie (4) 29*f4a2713aSLionel Sambuc // CHECK: [[COOKIE:%.*]] = bitcast i8* [[ALLOCATED]] to i32* 30*f4a2713aSLionel Sambuc // CHECK: store i32 42, i32* [[COOKIE]] 31*f4a2713aSLionel Sambuc // CHECK: [[ARRAY:%.*]] = getelementptr inbounds i8* [[ALLOCATED]], i64 4 32*f4a2713aSLionel Sambuc // CHECK: bitcast i8* [[ARRAY]] to [[CLASS:%.*]]* 33*f4a2713aSLionel Sambuc 34*f4a2713aSLionel Sambuc delete [] array; 35*f4a2713aSLionel Sambuc // CHECK: [[ARRAY_AS_CHAR:%.*]] = bitcast [[CLASS]]* {{%.*}} to i8* 36*f4a2713aSLionel Sambuc // CHECK: getelementptr inbounds i8* [[ARRAY_AS_CHAR]], i64 -4 37*f4a2713aSLionel Sambuc } 38*f4a2713aSLionel Sambuc 39*f4a2713aSLionel Sambuc struct __attribute__((aligned(8))) ClassWithAlignment { 40*f4a2713aSLionel Sambuc // FIXME: replace __attribute__((aligned(8))) with __declspec(align(8)) once 41*f4a2713aSLionel Sambuc // http://llvm.org/bugs/show_bug.cgi?id=12631 is fixed. 42*f4a2713aSLionel Sambuc int *x, *y; 43*f4a2713aSLionel Sambuc ~ClassWithAlignment() {} 44*f4a2713aSLionel Sambuc }; 45*f4a2713aSLionel Sambuc 46*f4a2713aSLionel Sambuc void check_array_cookies_aligned() { 47*f4a2713aSLionel Sambuc // CHECK: define {{.*}} @"\01?check_array_cookies_aligned@@YAXXZ"() 48*f4a2713aSLionel Sambuc ClassWithAlignment *array = new ClassWithAlignment[42]; 49*f4a2713aSLionel Sambuc // CHECK: [[ALLOCATED:%.*]] = call noalias i8* @"\01??_U@YAPAXI@Z"(i32 344) 50*f4a2713aSLionel Sambuc // 344 = 42*8 + size of cookie (8, due to alignment) 51*f4a2713aSLionel Sambuc // CHECK: [[COOKIE:%.*]] = bitcast i8* [[ALLOCATED]] to i32* 52*f4a2713aSLionel Sambuc // CHECK: store i32 42, i32* [[COOKIE]] 53*f4a2713aSLionel Sambuc // CHECK: [[ARRAY:%.*]] = getelementptr inbounds i8* [[ALLOCATED]], i64 8 54*f4a2713aSLionel Sambuc // CHECK: bitcast i8* [[ARRAY]] to [[CLASS:%.*]]* 55*f4a2713aSLionel Sambuc 56*f4a2713aSLionel Sambuc delete [] array; 57*f4a2713aSLionel Sambuc // CHECK: [[ARRAY_AS_CHAR:%.*]] = bitcast [[CLASS]]* 58*f4a2713aSLionel Sambuc // CHECK: getelementptr inbounds i8* [[ARRAY_AS_CHAR]], i64 -8 59*f4a2713aSLionel Sambuc } 60*f4a2713aSLionel Sambuc 61*f4a2713aSLionel Sambuc // CHECK: attributes [[NUW]] = { nounwind{{.*}} } 62