71 lines · c
1// RUN: %clang_cc1 %s -O1 -emit-llvm -o - | FileCheck %s2 3/* Test for builtin conj, creal, cimag. */4/* Origin: Joseph Myers <jsm28@cam.ac.uk> */5 6extern float _Complex conjf (float _Complex);7extern double _Complex conj (double _Complex);8extern long double _Complex conjl (long double _Complex);9 10extern float crealf (float _Complex);11extern double creal (double _Complex);12extern long double creall (long double _Complex);13 14extern float cimagf (float _Complex);15extern double cimag (double _Complex);16extern long double cimagl (long double _Complex);17 18extern void abort (void);19extern void link_error (void);20 21int22main (void)23{24 /* For each type, test both runtime and compile time (constant folding)25 optimization. */26 volatile float _Complex fc = 1.0F + 2.0iF;27 volatile double _Complex dc = 1.0 + 2.0i;28 volatile long double _Complex ldc = 1.0L + 2.0iL;29 /* Test floats. */30 if (__builtin_conjf (fc) != 1.0F - 2.0iF)31 abort ();32 if (__builtin_conjf (1.0F + 2.0iF) != 1.0F - 2.0iF)33 link_error ();34 if (__builtin_crealf (fc) != 1.0F)35 abort ();36 if (__builtin_crealf (1.0F + 2.0iF) != 1.0F)37 link_error ();38 if (__builtin_cimagf (fc) != 2.0F)39 abort ();40 if (__builtin_cimagf (1.0F + 2.0iF) != 2.0F)41 link_error ();42 /* Test doubles. */43 if (__builtin_conj (dc) != 1.0 - 2.0i)44 abort ();45 if (__builtin_conj (1.0 + 2.0i) != 1.0 - 2.0i)46 link_error ();47 if (__builtin_creal (dc) != 1.0)48 abort ();49 if (__builtin_creal (1.0 + 2.0i) != 1.0)50 link_error ();51 if (__builtin_cimag (dc) != 2.0)52 abort ();53 if (__builtin_cimag (1.0 + 2.0i) != 2.0)54 link_error ();55 /* Test long doubles. */56 if (__builtin_conjl (ldc) != 1.0L - 2.0iL)57 abort ();58 if (__builtin_conjl (1.0L + 2.0iL) != 1.0L - 2.0iL)59 link_error ();60 if (__builtin_creall (ldc) != 1.0L)61 abort ();62 if (__builtin_creall (1.0L + 2.0iL) != 1.0L)63 link_error ();64 if (__builtin_cimagl (ldc) != 2.0L)65 abort ();66 if (__builtin_cimagl (1.0L + 2.0iL) != 2.0L)67 link_error ();68}69 70// CHECK-NOT: link_error71