1 // RUN: %clang_cc1 -triple i686-pc-win32 -fms-compatibility %s -emit-llvm -o - | FileCheck %s 2 3 #include <stddef.h> 4 5 struct arbitrary_t {} arbitrary; 6 void *operator new(size_t size, arbitrary_t); 7 8 struct arbitrary2_t {} arbitrary2; 9 void *operator new[](size_t size, arbitrary2_t); 10 11 namespace PR13164 { 12 void f() { 13 // MSVC will fall back on the non-array operator new. 14 void *a; 15 int *p = new(arbitrary) int[4]; 16 // CHECK: call i8* @"\01??2@YAPAXIUarbitrary_t@@@Z"(i32 16, %struct.arbitrary_t* 17 } 18 19 struct S { 20 void *operator new[](size_t size, arbitrary_t); 21 }; 22 23 void g() { 24 S *s = new(arbitrary) S[2]; 25 // CHECK: call i8* @"\01??_US@PR13164@@SAPAXIUarbitrary_t@@@Z"(i32 2, %struct.arbitrary_t* 26 S *s1 = new(arbitrary) S; 27 // CHECK: call i8* @"\01??2@YAPAXIUarbitrary_t@@@Z"(i32 1, %struct.arbitrary_t* 28 } 29 30 struct T { 31 void *operator new(size_t size, arbitrary2_t); 32 }; 33 34 void h() { 35 // This should still call the global operator new[]. 36 T *t = new(arbitrary2) T[2]; 37 // CHECK: call i8* @"\01??_U@YAPAXIUarbitrary2_t@@@Z"(i32 2, %struct.arbitrary2_t* 38 } 39 } 40
