clang/test/CodeGen/afn-flag-test.c

   1 // RUN: %clang_cc1 -fapprox-func  %s -emit-llvm -o - | FileCheck --check-prefix=CHECK-AFN %s
   2 // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck --check-prefix=CHECK-NO-AFN %s
   3
   4 extern double exp(double);
   5 double afn_option_test(double x) {
   6   return exp(x);
   7   // CHECK-LABEL:  define{{.*}} double @afn_option_test(double %x) #0 {
   8
   9   // CHECK-AFN:      %{{.*}} = call afn double @{{.*}}exp{{.*}}(double %{{.*}})
  10   // CHECK-AFN:      attributes #0 ={{.*}} "approx-func-fp-math"="true" {{.*}}
  11
  12   // CHECK-NO-AFN:   %{{.*}} = call double @{{.*}}exp{{.*}}(double %{{.*}})
  13   // CHECK-NO-AFN-NOT:  attributes #0 ={{.*}} "approx-func-fp-math"="true" {{.*}}
  14 }