| // RUN: %clang_cc1 -triple x86_64-unknown-unknown -w -S -o - -emit-llvm              %s | FileCheck %s | 
 | // RUN: %clang_cc1 -triple x86_64-unknown-unknown -w -S -o - -emit-llvm -fmath-errno %s | FileCheck %s | 
 |  | 
 | _Complex float conjf(_Complex float); | 
 | _Complex double conj(_Complex double); | 
 | _Complex long double conjl(_Complex long double); | 
 |  | 
 | float _Complex test_conjf(float _Complex x) { | 
 | // CHECK-LABEL: @test_conjf( | 
 | // CHECK: fneg float %x.imag | 
 |   return conjf(x); | 
 | } | 
 |  | 
 | double _Complex test_conj(double _Complex x) { | 
 | // CHECK-LABEL: @test_conj( | 
 | // CHECK: fneg double %x.imag | 
 |   return conj(x); | 
 | } | 
 |  | 
 | long double _Complex test_conjl(long double _Complex x) { | 
 | // CHECK-LABEL: @test_conjl( | 
 | // CHECK: fneg x86_fp80 %x.imag | 
 |   return conjl(x); | 
 | } |