// RUN: %clang_cc1 -no-opaque-pointers -triple x86_64-pc-linux -emit-llvm %s -o - | FileCheck %s

extern void foo_alias (void) __asm ("foo");
inline void foo (void) {
  return foo_alias ();
}
extern int abs_alias (int) __asm ("abs");
inline __attribute__ ((__always_inline__)) int abs (int x) {
  return abs_alias(x);
}
extern char *strrchr_foo (const char *__s, int __c)  __asm ("strrchr");
extern inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) char * strrchr_foo (const char *__s, int __c)  {
  return __builtin_strrchr (__s, __c);
}

extern inline void __attribute__((always_inline, __gnu_inline__))
prefetch(void) {
  __builtin_prefetch(0, 0, 1);
}

extern inline __attribute__((__always_inline__, __gnu_inline__)) void *memchr(void *__s, int __c, __SIZE_TYPE__ __n) {
  return __builtin_memchr(__s, __c, __n);
}

void f(void) {
  foo();
  abs(0);
  strrchr_foo("", '.');
  prefetch();
  memchr("", '.', 0);
}

// CHECK-LABEL: define{{.*}} void @f()
// CHECK: call void @foo()
// CHECK: call i32 @abs(i32 noundef 0)
// CHECK: call i8* @strrchr(
// CHECK: call void @llvm.prefetch.p0i8(
// CHECK: call i8* @memchr(
// CHECK: ret void

// CHECK: declare void @foo()
// CHECK: declare i32 @abs(i32
// CHECK: declare i8* @strrchr(i8* noundef, i32 noundef)
// CHECK: declare i8* @memchr(
// CHECK: declare void @llvm.prefetch.p0i8(