| // RUN: %target-swift-frontend -emit-ir %s | FileCheck %s |
| |
| // XFAIL: linux |
| |
| import Darwin |
| |
| // Make sure we use an intrinsic for functions such as exp. |
| |
| // CHECK-LABEL: define {{.*}}test1 |
| // CHECK: call float @llvm.exp.f32 |
| |
| public func test1(f : Float) -> Float { |
| return exp(f) |
| } |
| |
| // CHECK-LABEL: define {{.*}}test2 |
| // CHECK: call double @llvm.exp.f64 |
| |
| public func test2(f : Double) -> Double { |
| return _exp(f) |
| } |
| |
| // LLVM's sqrt intrinsic does not have the same semantics as libm's sqrt. |
| // In particular, llvm.sqrt(negative) is documented as being undef, but |
| // we want sqrt(negative) to be defined to be NaN for IEEE 754 conformance. |
| |
| // CHECK-LABEL: define {{.*}}test3 |
| // CHECK-NOT: call double @llvm.sqrt.f64 |
| |
| public func test3(d : Double) -> Double { |
| return sqrt(d) |
| } |
| |
| // CHECK-LABEL: define {{.*}}test4 |
| // CHECK-NOT: call float @llvm.sqrt.f32 |
| |
| public func test4(f : Float) -> Float { |
| return sqrt(f) |
| } |
