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annotate gcc/testsuite/gcc.dg/tree-ssa/alias-19.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* { dg-do run } */
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2 /* { dg-options "-O2 -fdump-tree-alias" } */
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3
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4 const static int a;
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5
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6 int __attribute__((noinline))
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7 foo(int i)
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8 {
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9 const int *q;
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10 int b;
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11 if (i)
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12 q = &a;
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13 else
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14 q = &b;
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15 b = 1;
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16 /* We should not prune a from the points-to set of q. */
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17 return *q;
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18 }
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19
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20 extern void abort (void);
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21 int main()
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22 {
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23 if (foo(1) != 0)
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24 abort ();
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25 return 0;
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26 }
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27
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28 /* { dg-final { scan-tree-dump "q_. = { a b }" "alias" } } */