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4a36a4b6c5
This commit focuses the basics: setting up the relevant stanzas in lit.cfg and adding platform conditionals for importing Glibc. Future commits will deal with other portability fixes.
96 lines
2.3 KiB
Swift
96 lines
2.3 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 os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
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import Darwin
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#elseif os(Linux) || os(FreeBSD) || os(OpenBSD) || os(PS4) || os(Android) || os(Cygwin) || os(Haiku)
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import Glibc
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#elseif os(Windows)
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import MSVCRT
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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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