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annotate gcc/testsuite/g++.dg/coroutines/torture/co-yield-06-fun-parm.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
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1 // { dg-do run }
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2
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3 // Check co_return co_await
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4
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5 #include "../coro.h"
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6
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7 // boiler-plate for tests of codegen
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8 #define USE_AWAIT_TRANSFORM
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9 #include "../coro1-ret-int-yield-int.h"
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10
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11 __attribute__((__noinline__))
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12 static int
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13 foo (int x)
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14 {
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15 return x + 2;
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16 }
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17
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18 /* Function with a single await. */
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19 struct coro1
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20 f () noexcept
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21 {
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22 PRINT ("f: about to yield");
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23 co_yield foo (co_await 40);
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24
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25 PRINT ("f: about to return 6174");
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26 co_return 6174;
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27 }
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28
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29 int main ()
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30 {
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31 PRINT ("main: create coro1");
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32 struct coro1 x = f ();
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33 if (x.handle.done())
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34 abort();
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35
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36 PRINT ("main: resuming (initial suspend)");
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37 x.handle.resume();
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38 PRINT ("main: resuming (await intprt)");
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39 x.handle.resume();
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40
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41 PRINT ("main: after resume (2)");
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42 int y = x.handle.promise().get_value();
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43 if ( y != 42 )
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44 abort ();
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45 PRINT ("main: apparently got 42");
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46
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47 PRINT ("main: got coro1 - resuming (co_yield)");
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48 if (x.handle.done())
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49 abort();
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50 x.handle.resume();
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51
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52 PRINT ("main: after resume (co_yield)");
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53 y = x.handle.promise().get_value();
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54 if ( y != 6174 )
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55 abort ();
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56 PRINT ("main: apparently got 6174");
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57 if (!x.handle.done())
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58 {
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59 PRINT ("main: apparently not done...");
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60 abort ();
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61 }
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62 PRINT ("main: returning");
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63 return 0;
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64 }