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121 lines
5.2 KiB
Swift
121 lines
5.2 KiB
Swift
// RUN: %target-swift-frontend -parse-stdlib -parse-as-library -emit-sil -O %s | %FileCheck %s
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// REQUIRES: optimized_stdlib,swift_stdlib_no_asserts
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// REQUIRES: swift_in_compiler
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import Swift
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// Opaque, unoptimizable functions to call.
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@_silgen_name("takesConstRawPointer")
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func takesConstRawPointer(_ x: UnsafeRawPointer)
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@_silgen_name("takesOptConstRawPointer")
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func takesOptConstRawPointer(_ x: UnsafeRawPointer?)
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@_silgen_name("takesMutableRawPointer")
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func takesMutableRawPointer(_ x: UnsafeMutableRawPointer)
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@_silgen_name("takesOptMutableRawPointer")
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func takesOptMutableRawPointer(_ x: UnsafeMutableRawPointer?)
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// Opaque function for generating values
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@_silgen_name("get")
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func get<T>() -> T
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// The purpose of these tests is to make sure the storage is never released
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// before the call to the opaque function.
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// CHECK-LABEL: sil @$s18pointer_conversion9testArrayyyF
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public func testArray() {
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let array: [Int] = get()
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takesConstRawPointer(array)
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// CHECK: [[POINTER:%.+]] = struct $UnsafeRawPointer (
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// CHECK-NEXT: [[DEP_POINTER:%.+]] = mark_dependence [[POINTER]] : $UnsafeRawPointer on {{.*}} : $__ContiguousArrayStorageBase
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// CHECK: [[FN:%.+]] = function_ref @takesConstRawPointer
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// CHECK-NEXT: apply [[FN]]([[DEP_POINTER]])
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// CHECK-NOT: release
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// CHECK-NOT: {{^bb[0-9]+:}}
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// CHECK: strong_release {{%.+}} : ${{Builtin[.]BridgeObject|__ContiguousArrayStorageBase}}
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// CHECK-NEXT: [[EMPTY:%.+]] = tuple ()
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// CHECK-NEXT: return [[EMPTY]]
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}
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// CHECK-LABEL: sil @$s18pointer_conversion19testArrayToOptionalyyF
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public func testArrayToOptional() {
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let array: [Int] = get()
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takesOptConstRawPointer(array)
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// CHECK: [[POINTER:%.+]] = struct $UnsafeRawPointer (
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// CHECK-NEXT: [[DEP_POINTER:%.+]] = mark_dependence [[POINTER]] : $UnsafeRawPointer on {{.*}} : $__ContiguousArrayStorageBase
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// CHECK-NEXT: [[OPT_POINTER:%.+]] = enum $Optional<UnsafeRawPointer>, #Optional.some!enumelt, [[DEP_POINTER]]
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// CHECK: [[FN:%.+]] = function_ref @takesOptConstRawPointer
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// CHECK-NEXT: apply [[FN]]([[OPT_POINTER]])
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// CHECK-NOT: release
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// CHECK-NOT: {{^bb[0-9]+:}}
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// CHECK: strong_release {{%.+}} : ${{Builtin[.]BridgeObject|__ContiguousArrayStorageBase}}
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// CHECK-NEXT: [[EMPTY:%.+]] = tuple ()
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// CHECK-NEXT: return [[EMPTY]]
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}
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// CHECK-LABEL: sil @$s18pointer_conversion16testMutableArrayyyF
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public func testMutableArray() {
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var array: [Int] = get()
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takesMutableRawPointer(&array)
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// CHECK: [[POINTER:%.+]] = struct $UnsafeMutableRawPointer (
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// CHECK-NEXT: [[DEP_POINTER:%.+]] = mark_dependence [[POINTER]] : $UnsafeMutableRawPointer on {{.*}} : $__ContiguousArrayStorageBase
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// CHECK: [[FN:%.+]] = function_ref @takesMutableRawPointer
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// CHECK: apply [[FN]]([[DEP_POINTER]])
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// CHECK-NOT: {{^bb[0-9]+:}}
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// CHECK: strong_release {{%.+}} : ${{Builtin[.]BridgeObject|__ContiguousArrayStorageBase}}
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// CHECK: dealloc_stack {{%.+}} : $*Array<Int>
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// CHECK-NEXT: [[EMPTY:%.+]] = tuple ()
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// CHECK-NEXT: return [[EMPTY]]
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}
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// CHECK-LABEL: sil @$s18pointer_conversion26testMutableArrayToOptionalyyF
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public func testMutableArrayToOptional() {
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var array: [Int] = get()
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takesOptMutableRawPointer(&array)
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// CHECK: [[POINTER:%.+]] = struct $UnsafeMutableRawPointer (
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// CHECK-NEXT: [[DEP_POINTER:%.+]] = mark_dependence [[POINTER]] : $UnsafeMutableRawPointer on {{.*}} : $__ContiguousArrayStorageBase
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// CHECK-NEXT: [[OPT_POINTER:%.+]] = enum $Optional<UnsafeMutableRawPointer>, #Optional.some!enumelt, [[DEP_POINTER]]
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// CHECK: [[FN:%.+]] = function_ref @takesOptMutableRawPointer
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// CHECK: apply [[FN]]([[OPT_POINTER]])
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// CHECK-NOT: {{^bb[0-9]+:}}
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// CHECK: strong_release {{%.+}} : ${{Builtin[.]BridgeObject|__ContiguousArrayStorageBase}}
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// CHECK: dealloc_stack {{%.+}} : $*Array<Int>
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// CHECK-NEXT: [[EMPTY:%.+]] = tuple ()
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// CHECK-NEXT: return [[EMPTY]]
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}
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// CHECK-LABEL: sil @$s18pointer_conversion21arrayLiteralPromotionyyF
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public func arrayLiteralPromotion() {
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takesConstRawPointer([-41,-42,-43,-44])
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// Outline the array literal.
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// CHECK: [[ARR:%.+]] = global_value
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// CHECK: [[CAST:%.+]] = upcast [[ARR]]
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// CHECK: [[TADDR:%.+]] = ref_tail_addr [[CAST]]
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// CHECK: [[RAWPTR:%.+]] = address_to_pointer [[TADDR]]
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// CHECK: [[UNSAFEPTR:%.+]] = struct $UnsafeRawPointer ([[RAWPTR]]
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// CHECK: [[PTR:%.+]] = mark_dependence [[UNSAFEPTR]]
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// CHECK: [[FN:%.+]] = function_ref @takesConstRawPointer
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// CHECK: apply [[FN]]([[PTR]])
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}
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// Test sil verification at -O with bind_memory and rebind_memory
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// where the rebind is in a defer block.
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//
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// CHECK-LABEL: sil @$s18pointer_conversion21testWithMemoryRebound6rawPtr2to8capacity_q_Bp_xmSiq_SPyxGKXEtKr0_lF
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// CHECK: [[BIND:%.*]] = bind_memory %1 : $Builtin.RawPointer, %{{.*}} : $Builtin.Word to $*T
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// CHECK: rebind_memory %1 : $Builtin.RawPointer to [[BIND]] : $Builtin.Word
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// CHECK-LABEL: } // end sil function '$s18pointer_conversion21testWithMemoryRebound6rawPtr2to8capacity_q_Bp_xmSiq_SPyxGKXEtKr0_lF'
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public func testWithMemoryRebound<T, Result>(
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rawPtr: Builtin.RawPointer,
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to type: T.Type,
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capacity count: Int,
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_ body: (_ pointer: UnsafePointer<T>) throws -> Result
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) rethrows -> Result {
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let binding =
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Builtin.bindMemory(rawPtr, count._builtinWordValue, T.self)
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defer {
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Builtin.rebindMemory(rawPtr, binding)
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}
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return try body(.init(rawPtr))
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}
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