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 
7 extern float _Complex conjf (float _Complex);
8 extern double _Complex conj (double _Complex);
9 extern long double _Complex conjl (long double _Complex);
10 
11 extern float crealf (float _Complex);
12 extern double creal (double _Complex);
13 extern long double creall (long double _Complex);
14 
15 extern float cimagf (float _Complex);
16 extern double cimag (double _Complex);
17 extern long double cimagl (long double _Complex);
18 
19 extern void abort (void);
20 extern void link_error (void);
21 
22 int
main()23 main ()
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