1 // { dg-do run }
2
3 // Check foo (compiler temp, co_await).
4
5 #include "../coro.h"
6
7 // boiler-plate for tests of codegen
8 #define USE_AWAIT_TRANSFORM
9 #include "../coro1-ret-int-yield-int.h"
10
11 int gX = 1;
12
13 __attribute__((__noinline__))
14 static int
bar(int x,const int & y)15 bar (int x, const int& y)
16 {
17 return x + y;
18 }
19
20 /* Function with a compiler temporary and a co_await. */
21 coro1
g()22 g ()
23 {
24 gX = bar (gX + 8, co_await 2);
25 co_return gX + 31;
26 }
27
main()28 int main ()
29 {
30 PRINT ("main: create coro1");
31 struct coro1 g_coro = g ();
32 PRINT ("main: got coro1 - checking gX");
33 if (gX != 1)
34 {
35 PRINTF ("main: gX is wrong : %d, should be 1\n", gX);
36 abort ();
37 }
38 if (g_coro.handle.done())
39 {
40 PRINT ("main: we should not be 'done' [1]");
41 abort ();
42 }
43
44 PRINT ("main: resuming [1] (initial suspend)");
45 g_coro.handle.resume();
46
47 PRINT ("main: resuming [2] (parm 1)");
48 g_coro.handle.resume();
49
50 if (gX != 11)
51 {
52 PRINTF ("main: gX is wrong : %d, should be 11\n", gX);
53 abort ();
54 }
55
56 /* we should now have returned with the co_return 11 + 31) */
57 if (!g_coro.handle.done())
58 {
59 PRINT ("main: we should be 'done'");
60 abort ();
61 }
62
63 int y = g_coro.handle.promise().get_value();
64 if (y != 42)
65 {
66 PRINTF ("main: y is wrong : %d, should be 42\n", y);
67 abort ();
68 }
69
70 puts ("main: done");
71 return 0;
72 }