| // RUN: %target-swift-frontend -assume-parsing-unqualified-ownership-sil -emit-ir -O %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: call double @sqrt |
| |
| public func test3(d : Double) -> Double { |
| return sqrt(d) |
| } |
| |
| // CHECK-LABEL: define {{.*}}test4 |
| // CHECK: call float @sqrtf |
| |
| public func test4(f : Float) -> Float { |
| return sqrt(f) |
| } |
| |
| // CHECK-LABEL: define {{.*}}test3a |
| // CHECK: call double @remainder |
| |
| public func test3a(d : Double) -> Double { |
| return remainder(1,d) |
| } |
| |
| // CHECK-LABEL: define {{.*}}test4a |
| // CHECK: call float @remainder |
| |
| public func test4a(f : Float) -> Float { |
| return remainder(1,f) |
| } |
| |
| // CHECK-LABEL: define {{.*}}test5 |
| // CHECK: ret float 2 |
| |
| public func test5( ) -> Float { |
| return sqrt(4) |
| } |
| |
| // CHECK-LABEL: define {{.*}}test6 |
| // CHECK: ret double 2 |
| |
| public func test6( ) -> Double { |
| return sqrt(4) |
| } |
| |
| // CHECK-LABEL: define {{.*}}test7 |
| // CHECK-NOT: ret float undef |
| |
| public func test7( ) -> Float { |
| return sqrt(-1) |
| } |
| |
| // CHECK-LABEL: define {{.*}}test8 |
| // CHECK-NOT: ret double undef |
| |
| public func test8( ) -> Double { |
| return sqrt(-1) |
| } |
