// RUN: %clang_cc1 -emit-llvm %s -o - -triple=i386-pc-win32 | FileCheck %s struct ClassWithoutDtor { char x; }; void check_array_no_cookies() { // CHECK: define void @"\01?check_array_no_cookies@@YAXXZ"() [[NUW:#[0-9]+]] // CHECK: call noalias i8* @"\01??_U@YAPAXI@Z"(i32 42) ClassWithoutDtor *array = new ClassWithoutDtor[42]; // CHECK: call void @"\01??_V@YAXPAX@Z"( delete [] array; } struct ClassWithDtor { char x; ~ClassWithDtor() {} }; void check_array_cookies_simple() { // CHECK: define {{.*}} @"\01?check_array_cookies_simple@@YAXXZ"() ClassWithDtor *array = new ClassWithDtor[42]; // CHECK: [[ALLOCATED:%.*]] = call noalias i8* @"\01??_U@YAPAXI@Z"(i32 46) // 46 = 42 + size of cookie (4) // CHECK: [[COOKIE:%.*]] = bitcast i8* [[ALLOCATED]] to i32* // CHECK: store i32 42, i32* [[COOKIE]] // CHECK: [[ARRAY:%.*]] = getelementptr inbounds i8, i8* [[ALLOCATED]], i64 4 // CHECK: bitcast i8* [[ARRAY]] to [[CLASS:%.*]]* delete [] array; // CHECK: [[ARRAY_AS_CHAR:%.*]] = bitcast [[CLASS]]* {{%.*}} to i8* // CHECK: getelementptr inbounds i8, i8* [[ARRAY_AS_CHAR]], i64 -4 } struct __attribute__((aligned(8))) ClassWithAlignment { // FIXME: replace __attribute__((aligned(8))) with __declspec(align(8)) once // http://llvm.org/bugs/show_bug.cgi?id=12631 is fixed. int *x, *y; ~ClassWithAlignment() {} }; void check_array_cookies_aligned() { // CHECK: define {{.*}} @"\01?check_array_cookies_aligned@@YAXXZ"() ClassWithAlignment *array = new ClassWithAlignment[42]; // CHECK: [[ALLOCATED:%.*]] = call noalias i8* @"\01??_U@YAPAXI@Z"(i32 344) // 344 = 42*8 + size of cookie (8, due to alignment) // CHECK: [[COOKIE:%.*]] = bitcast i8* [[ALLOCATED]] to i32* // CHECK: store i32 42, i32* [[COOKIE]] // CHECK: [[ARRAY:%.*]] = getelementptr inbounds i8, i8* [[ALLOCATED]], i64 8 // CHECK: bitcast i8* [[ARRAY]] to [[CLASS:%.*]]* delete [] array; // CHECK: [[ARRAY_AS_CHAR:%.*]] = bitcast [[CLASS]]* // CHECK: getelementptr inbounds i8, i8* [[ARRAY_AS_CHAR]], i64 -8 } // CHECK: attributes [[NUW]] = { nounwind{{.*}} }