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      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 (at) 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
     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