| Fariborz Jahanian | ce23bb7 | 2012-08-14 20:09:28 +0000 | [diff] [blame] | 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 |
| 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 |