xref: /aosp_15_r20/external/clang/test/CodeGen/complex-builtints.c (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 %s -O1 -emit-llvm -o - | FileCheck %s
2*67e74705SXin Li // rdar://8315199
3*67e74705SXin Li 
4*67e74705SXin Li /* Test for builtin conj, creal, cimag.  */
5*67e74705SXin Li /* Origin: Joseph Myers <[email protected]> */
6*67e74705SXin Li 
7*67e74705SXin Li extern float _Complex conjf (float _Complex);
8*67e74705SXin Li extern double _Complex conj (double _Complex);
9*67e74705SXin Li extern long double _Complex conjl (long double _Complex);
10*67e74705SXin Li 
11*67e74705SXin Li extern float crealf (float _Complex);
12*67e74705SXin Li extern double creal (double _Complex);
13*67e74705SXin Li extern long double creall (long double _Complex);
14*67e74705SXin Li 
15*67e74705SXin Li extern float cimagf (float _Complex);
16*67e74705SXin Li extern double cimag (double _Complex);
17*67e74705SXin Li extern long double cimagl (long double _Complex);
18*67e74705SXin Li 
19*67e74705SXin Li extern void abort (void);
20*67e74705SXin Li extern void link_error (void);
21*67e74705SXin Li 
22*67e74705SXin Li int
main()23*67e74705SXin Li main ()
24*67e74705SXin Li {
25*67e74705SXin Li   /* For each type, test both runtime and compile time (constant folding)
26*67e74705SXin Li      optimization.  */
27*67e74705SXin Li   volatile float _Complex fc = 1.0F + 2.0iF;
28*67e74705SXin Li   volatile double _Complex dc = 1.0 + 2.0i;
29*67e74705SXin Li   volatile long double _Complex ldc = 1.0L + 2.0iL;
30*67e74705SXin Li   /* Test floats.  */
31*67e74705SXin Li   if (__builtin_conjf (fc) != 1.0F - 2.0iF)
32*67e74705SXin Li     abort ();
33*67e74705SXin Li   if (__builtin_conjf (1.0F + 2.0iF) != 1.0F - 2.0iF)
34*67e74705SXin Li     link_error ();
35*67e74705SXin Li   if (__builtin_crealf (fc) != 1.0F)
36*67e74705SXin Li     abort ();
37*67e74705SXin Li   if (__builtin_crealf (1.0F + 2.0iF) != 1.0F)
38*67e74705SXin Li     link_error ();
39*67e74705SXin Li   if (__builtin_cimagf (fc) != 2.0F)
40*67e74705SXin Li     abort ();
41*67e74705SXin Li   if (__builtin_cimagf (1.0F + 2.0iF) != 2.0F)
42*67e74705SXin Li     link_error ();
43*67e74705SXin Li   /* Test doubles.  */
44*67e74705SXin Li   if (__builtin_conj (dc) != 1.0 - 2.0i)
45*67e74705SXin Li     abort ();
46*67e74705SXin Li   if (__builtin_conj (1.0 + 2.0i) != 1.0 - 2.0i)
47*67e74705SXin Li     link_error ();
48*67e74705SXin Li   if (__builtin_creal (dc) != 1.0)
49*67e74705SXin Li     abort ();
50*67e74705SXin Li   if (__builtin_creal (1.0 + 2.0i) != 1.0)
51*67e74705SXin Li     link_error ();
52*67e74705SXin Li   if (__builtin_cimag (dc) != 2.0)
53*67e74705SXin Li     abort ();
54*67e74705SXin Li   if (__builtin_cimag (1.0 + 2.0i) != 2.0)
55*67e74705SXin Li     link_error ();
56*67e74705SXin Li   /* Test long doubles.  */
57*67e74705SXin Li   if (__builtin_conjl (ldc) != 1.0L - 2.0iL)
58*67e74705SXin Li     abort ();
59*67e74705SXin Li   if (__builtin_conjl (1.0L + 2.0iL) != 1.0L - 2.0iL)
60*67e74705SXin Li     link_error ();
61*67e74705SXin Li   if (__builtin_creall (ldc) != 1.0L)
62*67e74705SXin Li     abort ();
63*67e74705SXin Li   if (__builtin_creall (1.0L + 2.0iL) != 1.0L)
64*67e74705SXin Li     link_error ();
65*67e74705SXin Li   if (__builtin_cimagl (ldc) != 2.0L)
66*67e74705SXin Li     abort ();
67*67e74705SXin Li   if (__builtin_cimagl (1.0L + 2.0iL) != 2.0L)
68*67e74705SXin Li     link_error ();
69*67e74705SXin Li }
70*67e74705SXin Li 
71*67e74705SXin Li // CHECK-NOT: link_error
72