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33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
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// RUN: %clang_cc1 -triple i686-windows-gnu -emit-llvm -o - %s -disable-llvm-optzns | FileCheck %s
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// CHECK: call i32 @"\01_asm_func_name.inline"
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// CHECK: declare dso_local i32 @"\01_asm_func_name"(ptr noundef, i32 noundef, ptr noundef, ptr noundef)
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// CHECK: define internal i32 @"\01_asm_func_name.inline"
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// CHECK: call i32 @__mingw_vsnprintf
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// CHECK: declare dso_local i32 @__mingw_vsnprintf
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typedef unsigned int size_t;
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int __mingw_vsnprintf(char *_DstBuf, size_t _MaxCount, const char *_Format, __builtin_va_list _ArgList);
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// For the real use case, "_asm_func_name" is actually "___mingw_vsnprintf", but it's renamed in the testcase for disambiguation.
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int vsnprintf(char *__stream, size_t __n, const char *__format, __builtin_va_list __local_argv) __asm__("_asm_func_name");
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extern __inline__ __attribute__((__always_inline__, __gnu_inline__))
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int vsnprintf(char *__stream, size_t __n, const char *__format, __builtin_va_list __local_argv)
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{
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return __mingw_vsnprintf(__stream, __n, __format, __local_argv);
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}
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void call(const char* fmt, ...) {
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char buf[200];
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__builtin_va_list ap;
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__builtin_va_start(ap, fmt);
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vsnprintf(buf, sizeof(buf), fmt, ap);
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__builtin_va_end(ap);
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}
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