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annotate gcc/testsuite/gcc.dg/tree-ssa/pr83198.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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131
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1 /* PR tree-optimization/83198 */
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2 /* { dg-do compile { target __float128 } } */
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3 /* { dg-options "-O2 -fprintf-return-value -Wno-format -fdump-tree-optimized" } */
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4 /* { dg-add-options __float128 } */
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5
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6 void bar (void);
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7 void link_error (void);
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8
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9 void
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10 foo (char *x, double y)
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11 {
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12 /* The expected result should not be constant but rather that
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13 of the %f directive with an unknown argument, i.e., at least
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14 [3, 317] (but in reality [3, 322] when taking into account
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15 that the decimal point can be up to MB_LEN_MAX bytes long). */
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16 int a = __builtin_sprintf (x, "%f", 1.0Q);
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17 if (a < 3)
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18 link_error ();
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19 if (a > 13)
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20 bar ();
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21 if (a > 322)
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22 link_error ();
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23 }
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24
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25 /* Verify we don't optimize return value to [3, 13]. */
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26 /* { dg-final { scan-tree-dump-not "link_error \\(\\);" "optimized" } } */
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27 /* { dg-final { scan-tree-dump "bar \\(\\);" "optimized" } } */