1// RUN: %clang_cc1 %s -O1 -emit-llvm -o - | FileCheck %s
2// rdar://8315199
3
4/* Test for builtin conj, creal, cimag.  */
5/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
6
7extern float _Complex conjf (float _Complex);
8extern double _Complex conj (double _Complex);
9extern long double _Complex conjl (long double _Complex);
10
11extern float crealf (float _Complex);
12extern double creal (double _Complex);
13extern long double creall (long double _Complex);
14
15extern float cimagf (float _Complex);
16extern double cimag (double _Complex);
17extern long double cimagl (long double _Complex);
18
19extern void abort (void);
20extern void link_error (void);
21
22int
23main ()
24{
25  /* For each type, test both runtime and compile time (constant folding)
26     optimization.  */
27  volatile float _Complex fc = 1.0F + 2.0iF;
28  volatile double _Complex dc = 1.0 + 2.0i;
29  volatile long double _Complex ldc = 1.0L + 2.0iL;
30  /* Test floats.  */
31  if (__builtin_conjf (fc) != 1.0F - 2.0iF)
32    abort ();
33  if (__builtin_conjf (1.0F + 2.0iF) != 1.0F - 2.0iF)
34    link_error ();
35  if (__builtin_crealf (fc) != 1.0F)
36    abort ();
37  if (__builtin_crealf (1.0F + 2.0iF) != 1.0F)
38    link_error ();
39  if (__builtin_cimagf (fc) != 2.0F)
40    abort ();
41  if (__builtin_cimagf (1.0F + 2.0iF) != 2.0F)
42    link_error ();
43  /* Test doubles.  */
44  if (__builtin_conj (dc) != 1.0 - 2.0i)
45    abort ();
46  if (__builtin_conj (1.0 + 2.0i) != 1.0 - 2.0i)
47    link_error ();
48  if (__builtin_creal (dc) != 1.0)
49    abort ();
50  if (__builtin_creal (1.0 + 2.0i) != 1.0)
51    link_error ();
52  if (__builtin_cimag (dc) != 2.0)
53    abort ();
54  if (__builtin_cimag (1.0 + 2.0i) != 2.0)
55    link_error ();
56  /* Test long doubles.  */
57  if (__builtin_conjl (ldc) != 1.0L - 2.0iL)
58    abort ();
59  if (__builtin_conjl (1.0L + 2.0iL) != 1.0L - 2.0iL)
60    link_error ();
61  if (__builtin_creall (ldc) != 1.0L)
62    abort ();
63  if (__builtin_creall (1.0L + 2.0iL) != 1.0L)
64    link_error ();
65  if (__builtin_cimagl (ldc) != 2.0L)
66    abort ();
67  if (__builtin_cimagl (1.0L + 2.0iL) != 2.0L)
68    link_error ();
69}
70
71// CHECK-NOT: link_error
72