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()23main () 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