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