File: specialize_partial_apply.swift

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (247 lines) | stat: -rw-r--r-- 9,102 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247

// First check the SIL.
// RUN: %target-swift-frontend -O -Xllvm -sil-disable-pass=FunctionSignatureOpts -module-name=test -emit-sil -primary-file %s | %FileCheck %s

// Also do an end-to-end test to check all components, including IRGen.
// RUN: %empty-directory(%t) 
// RUN: %target-build-swift -O -Xllvm -sil-disable-pass=FunctionSignatureOpts -module-name=test %s -o %t/a.out
// RUN: %target-codesign %t/a.out
// RUN: %target-run %t/a.out | %FileCheck %s -check-prefix=CHECK-OUTPUT
// REQUIRES: executable_test

struct MyError : Error {
	let _code : Int
	init(_ xx: Int) {
		_code = xx
	}
}

// CHECK-LABEL: sil hidden [noinline] @$s4test7testit1yS2icSbF : $@convention(thin) (Bool) -> @owned @callee_guaranteed (Int) -> Int {
// CHECK: [[F:%[0-9]+]] = function_ref @$s4test16generic_get_funcyxxcx_SbtlFSi_Tg5 :
// CHECK: [[CL:%[0-9]+]] = apply [[F]](%{{[0-9]+}}, %0) :
// CHECK: [[CL2:%[0-9]+]] = convert_function [[CL]]
// CHECK: [[TH:%[0-9]+]] = function_ref @$sS2iIegnr_S2iIegyd_TR : $@convention(thin) (Int, @guaranteed @callee_guaranteed (@in_guaranteed Int) -> @out Int) -> Int
// CHECK: [[RET:%[0-9]+]] = partial_apply [callee_guaranteed] [[TH]]([[CL2]])
// CHECK: return [[RET]] : $@callee_guaranteed (Int) -> Int
@inline(never)
func testit1(_ b: Bool) -> (Int) -> Int {
  return generic_get_func(27, b)
}

@inline(never)
func testit2() -> (Int, Int, Bool) -> Int {
  return concrete_get_func()
}

// No reabstraction thunk is needed because we directly apply the returned closure.

// CHECK-LABEL: sil hidden [noinline] @$s4test7testit3ySiSbF : $@convention(thin) (Bool) -> Int {
// CHECK: [[F:%[0-9]+]] = function_ref @$s4test8generic3yxx_xSbtlFSi_Tg5 : $@convention(thin) (Int, Int, Bool) -> Int
// CHECK: [[RET:%[0-9]+]] = apply [[F]]({{.*}}) : $@convention(thin) (Int, Int, Bool) -> Int
// CHECK: return [[RET]] : $Int
@inline(never)
func testit3(_ b: Bool) -> Int {
  return generic3(270, 28, b)
}

// CHECK-LABEL: sil hidden [noinline] @$s4test16testit1_throwingyS2iKcSbF : $@convention(thin) (Bool) -> @owned @callee_guaranteed (Int) -> (Int, @error any Error) {
// CHECK: [[F:%[0-9]+]] = function_ref @$s4test25generic_get_func_throwingyxxKcSblFSi_Tg5 :
// CHECK: [[CL:%[0-9]+]] = apply [[F]](%0) :
// CHECK: [[CONV:%[0-9]+]] = convert_function [[CL]]
// CHECK: [[TH:%[0-9]+]] = function_ref @$sS2is5Error_pIegnrzo_S2isAA_pIegydzo_TR :
// CHECK: [[RET:%[0-9]+]] = partial_apply [callee_guaranteed] [[TH]]([[CONV]])
// CHECK: return [[RET]] : $@callee_guaranteed (Int) -> (Int, @error any Error)
@inline(never)
func testit1_throwing(_ b: Bool) -> (Int) throws -> Int {
  return generic_get_func_throwing(b)
}

@inline(never)
func testit2_throwing() -> (Int, Bool) throws -> Int {
  return concrete_get_func_throwing()
}

// No reabstraction thunk is needed because we directly apply the returned closure.

// CHECK-LABEL: sil hidden [noinline] @$s4test16testit3_throwingySiSbF : $@convention(thin) (Bool) -> Int {
// CHECK: [[F:%[0-9]+]] = function_ref @$s4test17generic3_throwingyxx_SbtKlFSi_Tg5 : $@convention(thin) (Int, Bool) -> (Int, @error any Error)
// CHECK: try_apply [[F]](%{{[0-9]+}}, %0) : $@convention(thin) (Int, Bool) -> (Int, @error any Error), normal bb{{[0-9]+}}, error bb{{[0-9]+}}
// CHECK: }
@inline(never)
func testit3_throwing(_ b: Bool) -> Int {
  do {
    return try generic3_throwing(271, b)
  } catch {
    return error._code
  }
}


// We need a reabstraction thunk to convert from direct args/result to indirect
// args/result, which is expected in the returned closure.

// CHECK-LABEL: sil shared [noinline] @$s4test16generic_get_funcyxxcx_SbtlFSi_Tg5 :
// CHECK: [[F:%[0-9]+]] = function_ref @$s4test16generic_get_funcyxxcx_SbtlF0B0L_yxxlFSi_TG5 :
// CHECK: [[PA:%[0-9]+]] = partial_apply [callee_guaranteed] [[F]](%1, %{{[0-9]+}}) :
// CHECK: [[CONV:%[0-9]+]] = convert_function [[PA]]
// CHECK: return [[CONV]] :
@inline(never)
func generic_get_func<T>(_ t1: T, _ b: Bool) -> (T) -> T {

	@inline(never)
	func generic(_ t2: T) -> T {
		return b ? t1 : t2
	}

	return generic
}

@inline(never)
func generic2<T>(_ t1: T, t2: T, b: Bool) -> T {
	return b ? t1 : t2
}

// No reabstraction thunk is needed because the returned closure expects direct
// args/result anyway.

// CHECK-LABEL: sil hidden [noinline] @$s4test17concrete_get_funcS2i_SiSbtcyF : $@convention(thin) () -> @owned @callee_guaranteed (Int, Int, Bool) -> Int {
// CHECK: [[F:%[0-9]+]] = function_ref @$s4test8generic2_2t21bxx_xSbtlFSi_Tg5 : $@convention(thin) (Int, Int, Bool) -> Int
// CHECK: [[RET:%[0-9]+]] = thin_to_thick_function [[F]] : $@convention(thin) (Int, Int, Bool) -> Int to $@callee_guaranteed (Int, Int, Bool) -> Int
// CHECK: return [[RET]] : $@callee_guaranteed (Int, Int, Bool) -> Int
@inline(never)
func concrete_get_func() -> (Int, Int, Bool) -> Int {
	return generic2
}

@inline(never)
func generic3<T>(_ t1: T, _ t2: T, _ b: Bool) -> T {
	return b ? t1 : t2
}

// The same three test cases again, but with throwing functions.

// We need a reabstraction thunk to convert from direct args/result to indirect
// args/result, which is expected in the returned closure.

// CHECK-LABEL: sil shared [noinline] @$s4test25generic_get_func_throwingyxxKcSblFSi_Tg5 :
// CHECK: [[F:%[0-9]+]] = function_ref @$s4test25generic_get_func_throwingyxxKcSblF0B0L_yxxKlFSi_TG5 :
// CHECK: [[PA:%[0-9]+]] = partial_apply [callee_guaranteed] [[F]](%0) : $@convention(thin) (@in_guaranteed Int, Bool) -> (@out Int, @error any Error)
// CHECK: [[CONV:%[0-9]+]] = convert_function [[PA]]
// CHECK: return [[CONV]] :
@inline(never)
func generic_get_func_throwing<T>(_ b: Bool) -> (T) throws -> T {

	@inline(never)
	func generic(_ t2: T) throws -> T {
		if b {
			throw MyError(123)
		}
		return t2
	}

	return generic
}

@inline(never)
func generic2_throwing<T>(_ t1: T, b: Bool) throws -> T {
	if b {
		throw MyError(124)
	}
	return t1
}

// No reabstraction thunk is needed because the returned closure expects direct
// args/result anyway.

// CHECK-LABEL: sil hidden [noinline] @$s4test26concrete_get_func_throwingS2i_SbtKcyF : $@convention(thin) () -> @owned @callee_guaranteed (Int, Bool) -> (Int, @error any Error) {
// CHECK: [[F:%[0-9]+]] = function_ref @$s4test17generic2_throwing_1bxx_SbtKlFSi_Tg5 : $@convention(thin) (Int, Bool) -> (Int, @error any Error)
// CHECK: [[RET:%[0-9]+]] = thin_to_thick_function [[F]] : $@convention(thin) (Int, Bool) -> (Int, @error any Error) to $@callee_guaranteed (Int, Bool) -> (Int, @error any Error)
// CHECK: return [[RET]] : $@callee_guaranteed (Int, Bool) -> (Int, @error any Error)
@inline(never)
func concrete_get_func_throwing() -> (Int, Bool) throws -> Int {
	return generic2_throwing
}

@inline(never)
func generic3_throwing<T>(_ t1: T, _ b: Bool) throws -> T {
	if b {
		throw MyError(125)
	}
	return t1
}

// CHECK-LABEL: sil shared [transparent] [thunk] @$s4test16generic_get_funcyxxcx_SbtlF0B0L_yxxlFSi_TG5 : $@convention(thin) (@in_guaranteed Int, Bool, @in_guaranteed Int) -> @out Int {
// CHECK: bb0(%0 : $*Int, %1 : $*Int, %2 : @closureCapture $Bool, %3 : @closureCapture $*Int):
// CHECK: [[LD1:%[0-9]+]] = load %1 : $*Int
// CHECK: [[LD2:%[0-9]+]] = load %3 : $*Int
// CHECK: [[F:%[0-9]+]] = function_ref @$s4test16generic_get_funcyxxcx_SbtlF0B0L_yxxlFSi_Tg5 : $@convention(thin) (Int, Bool, Int) -> Int
// CHECK: [[RET:%[0-9]+]] = apply [[F]]([[LD1]], %2, [[LD2]])
// CHECK: store [[RET]] to %0 : $*Int
// CHECK: return %{{[0-9]*}} : $()

// CHECK-LABEL: sil shared [transparent] [thunk] @$s4test25generic_get_func_throwingyxxKcSblF0B0L_yxxKlFSi_TG5 : $@convention(thin) (@in_guaranteed Int, Bool) -> (@out Int, @error any Error) {
// CHECK: bb0(%0 : $*Int, %1 : $*Int, %2 : @closureCapture $Bool):
// CHECK: [[LD:%[0-9]+]] = load %1 : $*Int
// CHECK: [[F:%[0-9]+]] = function_ref @$s4test25generic_get_func_throwingyxxKcSblF0B0L_yxxKlFSi_Tg5 : $@convention(thin) (Int, Bool) -> (Int, @error any Error)
// CHECK: try_apply [[F]]([[LD]], %2) : $@convention(thin) (Int, Bool) -> (Int, @error any Error), normal bb1, error bb2
// CHECK: bb1([[NORMAL:%[0-9]+]] : $Int):
// CHECK: store [[NORMAL]] to %0 : $*Int
// CHECK: return %{{[0-9]*}} : $()
// CHECK: bb2([[ERROR:%[0-9]+]] : $any Error):
// CHECK: throw [[ERROR]] : $any Error


// The main program.
// Check if the generated executable produces the correct output.

// CHECK-OUTPUT: 18
print(testit1(false)(18))
// CHECK-OUTPUT: 27
print(testit1(true)(18))

// CHECK-OUTPUT: 4
print(testit2()(3, 4, false))
// CHECK-OUTPUT: 3
print(testit2()(3, 4, true))

// CHECK-OUTPUT: 28
print(testit3(false))
// CHECK-OUTPUT: 270
print(testit3(true))

var x: Int
do {
	x = try testit1_throwing(false)(19)
} catch {
	x = error._code
}
// CHECK-OUTPUT: 19
print(x)
do {
	x = try testit1_throwing(true)(19)
} catch {
	x = error._code
}
// CHECK-OUTPUT: 123
print(x)

do {
	x = try testit2_throwing()(20, false)
} catch {
	x = error._code
}
// CHECK-OUTPUT: 20
print(x)
do {
	x = try testit2_throwing()(20, true)
} catch {
	x = error._code
}
// CHECK-OUTPUT: 124
print(x)

// CHECK-OUTPUT: 271
print(testit3_throwing(false))
// CHECK-OUTPUT: 125
print(testit3_throwing(true))