Files
swift-mirror/test/IRGen/bitwise-copyable-derived-loadRaw.swift
Daniel Rodríguez Troitiño ba68faaed5 [test] Mark tests that use experimental/upcoming features as such
Find all the usages of `--enable-experimental-feature` or
`--enable-upcoming-feature` in the tests and replace some of the
`REQUIRES: asserts` to use `REQUIRES: swift-feature-Foo` instead, which
should correctly apply to depending on the asserts/noasserts mode of the
toolchain for each feature.

Remove some comments that talked about enabling asserts since they don't
apply anymore (but I might had miss some).

All this was done with an automated script, so some formatting weirdness
might happen, but I hope I fixed most of those.

There might be some tests that were `REQUIRES: asserts` that might run
in `noasserts` toolchains now. This will normally be because their
feature went from experimental to upcoming/base and the tests were not
updated.
2024-11-02 11:46:46 -07:00

44 lines
1.2 KiB
Swift

// RUN: %target-run-simple-swift(-Xfrontend -sil-verify-all -enable-experimental-feature BuiltinModule) | %FileCheck %s
// REQUIRES: executable_test
// REQUIRES: swift_feature_BuiltinModule
// Execute an unaligned load of SIMD16<UInt8> which conforms to a protocol derived from BitwiseCopyable.
public protocol MyBitwiseCopyable : BitwiseCopyable {}
extension SIMD16 : MyBitwiseCopyable where Scalar.SIMD16Storage : MyBitwiseCopyable {}
extension UInt8.SIMD16Storage : MyBitwiseCopyable {}
func doit() {
let bytes: [UInt8] = Array(repeating: 0, count: 64)
bytes.withUnsafeBufferPointer { bytes in
let rawBytes = UnsafeRawPointer(bytes.baseAddress!) + 1
let vector = rawBytes.myLoadUnaligned(as: SIMD16<UInt8>.self)
//CHECK: SIMD16<UInt8>(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
blackhole(vector)
}
}
import Builtin
extension UnsafeRawPointer {
@inlinable
@_alwaysEmitIntoClient
public func myLoadUnaligned<T : MyBitwiseCopyable>(
fromByteOffset offset: Int = 0,
as type: T.Type
) -> T {
return Builtin.loadRaw((self + offset)._rawValue)
}
}
doit()
@_silgen_name("blackhole")
@inline(never)
@_semantics("optimize.sil.specialize.generic.never")
func blackhole<T>(_ t: T) {
print(t)
}