1 // RUN: %clang_cc1 -triple i686-windows-gnu -emit-llvm -o - %s -disable-llvm-optzns | FileCheck %s
2
3 // CHECK: call i32 @"\01_asm_func_name.inline"
4
5 // CHECK: declare dso_local i32 @"\01_asm_func_name"(ptr noundef, i32 noundef, ptr noundef, ptr noundef)
6
7 // CHECK: define internal i32 @"\01_asm_func_name.inline"
8
9 // CHECK: call i32 @__mingw_vsnprintf
10
11 // CHECK: declare dso_local i32 @__mingw_vsnprintf
12
13 typedef unsigned int size_t;
14
15 int __mingw_vsnprintf(char *_DstBuf, size_t _MaxCount, const char *_Format, __builtin_va_list _ArgList);
16
17 // For the real use case, "_asm_func_name" is actually "___mingw_vsnprintf", but it's renamed in the testcase for disambiguation.
18 int vsnprintf(char *__stream, size_t __n, const char *__format, __builtin_va_list __local_argv) __asm__("_asm_func_name");
19
20 extern __inline__ __attribute__((__always_inline__, __gnu_inline__))
vsnprintf(char * __stream,size_t __n,const char * __format,__builtin_va_list __local_argv)21 int vsnprintf(char *__stream, size_t __n, const char *__format, __builtin_va_list __local_argv)
22 {
23 return __mingw_vsnprintf(__stream, __n, __format, __local_argv);
24 }
25
call(const char * fmt,...)26 void call(const char* fmt, ...) {
27 char buf[200];
28 __builtin_va_list ap;
29 __builtin_va_start(ap, fmt);
30 vsnprintf(buf, sizeof(buf), fmt, ap);
31 __builtin_va_end(ap);
32 }
33