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100 lines
2.2 KiB
Swift
100 lines
2.2 KiB
Swift
// RUN: %target-swift-frontend -emit-ir -O %s | %FileCheck %s -check-prefix CHECK -check-prefix CHECK-%target-os
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#if canImport(Darwin)
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import Darwin
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#elseif canImport(Glibc)
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import Glibc
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#elseif os(WASI)
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import WASILibc
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#elseif canImport(Android)
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import Android
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#elseif os(Windows)
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import CRT
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#else
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#error("Unsupported platform")
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#endif
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// Make sure we use an intrinsic for functions such as exp.
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// CHECK-LABEL: define {{.*}}test1
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// CHECK-ios: call float @llvm.exp.f32
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// CHECK-macosx: call float @llvm.exp.f32
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// CHECK-tvos: call float @llvm.exp.f32
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// CHECK-watchos: call float @llvm.exp.f32
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// CHECK-darwin: call float @llvm.exp.f32
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// CHECK-linux-gnu: call float @expf
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// CHECK-windows: call float @expf
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public func test1(f : Float) -> Float {
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return exp(f)
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}
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// CHECK-LABEL: define {{.*}}test2
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// CHECK: call double @llvm.exp.f64
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public func test2(f : Double) -> Double {
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return _exp(f)
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}
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// CHECK-LABEL: define {{.*}}test3
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// CHECK: call double @sqrt
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public func test3(d : Double) -> Double {
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// This call uses the sqrt function imported from C.
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return sqrt(d)
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}
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// CHECK-LABEL: define {{.*}}test4
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// CHECK-LINUX: call float @llvm.sqrt.f32
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// CHECK-WINDOWS: call float @llvm.sqrt.f32
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public func test4(f : Float) -> Float {
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// This call does not match the signature for the C sqrt function
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// (as opposed to sqrtf) so instead it gets compiled using the generic
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// sqrt function from the stdlib's tgmath.swift. That translates to
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// _stdlib_squareRootf and then to __builtin_sqrtf via SwiftShims.
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return sqrt(f)
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}
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// CHECK-LABEL: define {{.*}}test3a
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// CHECK: call double @remainder
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public func test3a(d : Double) -> Double {
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return remainder(1,d)
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}
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// CHECK-LABEL: define {{.*}}test4a
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// CHECK: call float @remainder
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public func test4a(f : Float) -> Float {
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return remainder(1,f)
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}
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// CHECK-LABEL: define {{.*}}test5
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// CHECK: ret float 2
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public func test5( ) -> Float {
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return sqrt(4)
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}
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// CHECK-LABEL: define {{.*}}test6
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// CHECK: ret double 2
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public func test6( ) -> Double {
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return sqrt(4)
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}
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// CHECK-LABEL: define {{.*}}test7
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// CHECK-NOT: ret float undef
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public func test7( ) -> Float {
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return sqrt(-1)
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}
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// CHECK-LABEL: define {{.*}}test8
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// CHECK-NOT: ret double undef
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public func test8( ) -> Double {
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return sqrt(-1)
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}
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