File: coro-aligned-alloc.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (192 lines) | stat: -rw-r--r-- 6,058 bytes parent folder | download | duplicates (7)
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
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -std=c++20 \
// RUN:   -fcoro-aligned-allocation -emit-llvm %s -o - -disable-llvm-passes \
// RUN:   | FileCheck %s

#include "Inputs/coroutine.h"

namespace std {
    typedef __SIZE_TYPE__ size_t;
    enum class align_val_t : size_t {};
}

struct task {
  struct promise_type {
    auto initial_suspend() { return std::suspend_always{}; }
    auto final_suspend() noexcept { return std::suspend_always{}; }
    auto get_return_object() { return task{}; }
    void unhandled_exception() {}
    void return_value(int) {}
  };
};

// CHECK: define{{.*}}@_Z1fv(
// CHECK: coro.alloc:
// CHECK: %[[coro_size:.+]] = call{{.*}}@llvm.coro.size
// CHECK: %[[coro_align:.+]] = call{{.*}}@llvm.coro.align
// CHECK: %[[aligned_new:.+]] = call{{.*}}@_ZnwmSt11align_val_t({{.*}}%[[coro_size]],{{.*}}%[[coro_align]])

// CHECK: coro.free:
// CHECK: %[[coro_size_for_free:.+]] = call{{.*}}@llvm.coro.size
// CHECK: %[[coro_align_for_free:.+]] = call{{.*}}@llvm.coro.align
// CHECK: call void @_ZdlPvmSt11align_val_t({{.*}}%[[coro_size_for_free]],{{.*}}%[[coro_align_for_free]])

task f() {
    co_return 43;
}

struct task2 {
  struct promise_type {
    auto initial_suspend() { return std::suspend_always{}; }
    auto final_suspend() noexcept { return std::suspend_always{}; }
    auto get_return_object() { return task2{}; }
    void unhandled_exception() {}
    void return_value(int) {}
    static task2 get_return_object_on_allocation_failure() { return task2{}; }
  };
};

namespace std {
  struct nothrow_t {};
  constexpr nothrow_t nothrow = {};
}

void *operator new(std::size_t, std::align_val_t, std::nothrow_t) noexcept;

// CHECK: define{{.*}}@_Z2f2v(
// CHECK: coro.alloc:
// CHECK: %[[coro_size:.+]] = call{{.*}}@llvm.coro.size
// CHECK: %[[coro_align:.+]] = call{{.*}}@llvm.coro.align
// CHECK: %[[aligned_new:.+]] = call{{.*}}@_ZnwmSt11align_val_tSt9nothrow_t({{.*}}%[[coro_size]],{{.*}}%[[coro_align]])

// CHECK: coro.free:
// CHECK: %[[coro_size_for_free:.+]] = call{{.*}}@llvm.coro.size
// CHECK: %[[coro_align_for_free:.+]] = call{{.*}}@llvm.coro.align
// CHECK: call void @_ZdlPvmSt11align_val_t({{.*}}%[[coro_size_for_free]],{{.*}}%[[coro_align_for_free]])

task2 f2() {
    co_return 43;
}

struct task3 {
  struct promise_type {
    auto initial_suspend() { return std::suspend_always{}; }
    auto final_suspend() noexcept { return std::suspend_always{}; }
    auto get_return_object() { return task3{}; }
    void unhandled_exception() {}
    void return_value(int) {}
    void operator delete(void *ptr);
  };
};

// CHECK: define{{.*}}@_Z2f3v
// CHECK: coro.free:
// CHECK: call{{.*}}void @_ZN5task312promise_typedlEPv(

task3 f3() {
  co_return 43;
}

struct task4 {
  struct promise_type {
    auto initial_suspend() { return std::suspend_always{}; }
    auto final_suspend() noexcept { return std::suspend_always{}; }
    auto get_return_object() { return task4{}; }
    void unhandled_exception() {}
    void return_value(int) {}
    void operator delete(void *ptr, std::align_val_t);
    void operator delete(void *ptr);
  };
};

// CHECK: define{{.*}}@_Z2f4v
// CHECK: coro.free:
// CHECK: %[[coro_align_for_free:.+]] = call{{.*}}@llvm.coro.align
// CHECK: call{{.*}}void @_ZN5task412promise_typedlEPvSt11align_val_t({{.*}}, i64{{.*}}[[coro_align_for_free]]

task4 f4() {
  co_return 43;
}

struct task5 {
  struct promise_type {
    auto initial_suspend() { return std::suspend_always{}; }
    auto final_suspend() noexcept { return std::suspend_always{}; }
    auto get_return_object() { return task5{}; }
    void unhandled_exception() {}
    void return_value(int) {}
    void *operator new(std::size_t);
  };
};

// CHECK: define{{.*}}@_Z2f5v
// CHECK: coro.alloc:
// CHECK: %[[coro_size:.+]] = call{{.*}}@llvm.coro.size
// CHECK: call{{.*}}ptr @_ZN5task512promise_typenwEm(i64{{.*}}%[[coro_size]])
task5 f5() {
  co_return 43;
}

struct task6 {
  struct promise_type {
    auto initial_suspend() { return std::suspend_always{}; }
    auto final_suspend() noexcept { return std::suspend_always{}; }
    auto get_return_object() { return task6{}; }
    void unhandled_exception() {}
    void return_value(int) {}
    void *operator new(std::size_t);
    void *operator new(std::size_t, int i);
  };
};

// CHECK: define{{.*}}@_Z2f6i
// CHECK: coro.alloc:
// CHECK: %[[coro_size:.+]] = call{{.*}}@llvm.coro.size
// CHECK: call{{.*}}ptr @_ZN5task612promise_typenwEmi(i64{{.*}}%[[coro_size]],
task6 f6(int i) {
  co_return i;
}

struct task7 {
  struct promise_type {
    auto initial_suspend() { return std::suspend_always{}; }
    auto final_suspend() noexcept { return std::suspend_always{}; }
    auto get_return_object() { return task7{}; }
    void unhandled_exception() {}
    void return_value(int) {}
    void *operator new(std::size_t);
    void *operator new(std::size_t, int i);
    void *operator new(std::size_t, std::align_val_t);
  };
};

// CHECK: define{{.*}}@_Z2f7i
// CHECK: coro.alloc:
// CHECK: %[[coro_size:.+]] = call{{.*}}@llvm.coro.size
// CHECK: %[[coro_align:.+]] = call{{.*}}@llvm.coro.align
// CHECK: call{{.*}}ptr @_ZN5task712promise_typenwEmSt11align_val_t(i64{{.*}}%[[coro_size]], i64{{.*}}[[coro_align]])
task7 f7(int i) {
  co_return i;
}

struct task8 {
  struct promise_type {
    auto initial_suspend() { return std::suspend_always{}; }
    auto final_suspend() noexcept { return std::suspend_always{}; }
    auto get_return_object() { return task8{}; }
    void unhandled_exception() {}
    void return_value(int) {}
    void *operator new(std::size_t);
    void *operator new(std::size_t, int i);
    void *operator new(std::size_t, std::align_val_t);
    void *operator new(std::size_t, std::align_val_t, int i);
  };
};

// CHECK: define{{.*}}@_Z2f8i
// CHECK: coro.alloc:
// CHECK: %[[coro_size:.+]] = call{{.*}}@llvm.coro.size
// CHECK: %[[coro_align:.+]] = call{{.*}}@llvm.coro.align
// CHECK: call{{.*}}ptr @_ZN5task812promise_typenwEmSt11align_val_ti(i64{{.*}}%[[coro_size]], i64{{.*}}[[coro_align]],
task8 f8(int i) {
  co_return i;
}