| // RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil %s -emit-ir | %FileCheck %s | |
| // REQUIRES: CPU=i386_or_x86_64 | |
| @_silgen_name("atan2") func atan2test(_ a: Double, _ b: Double) -> Double | |
| atan2test(0.0, 0.0) | |
| // CHECK: call swiftcc double @atan2(double {{.*}}, double {{.*}}) |