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annotate gcc/testsuite/gcc.dg/tree-ssa/pr21658.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* PR tree-optimization/21658
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2 CCP did not propagate an ADDR_EXPR far enough, preventing the "if"
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3 statement below from being folded. */
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4
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5 /* { dg-do compile } */
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6 /* { dg-options "-O2 -fno-tree-dominator-opts -fdump-tree-ccp1-details" } */
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7
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8 void link_error (void);
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9
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10 void
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11 f (void)
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12 {
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13 int a[10];
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14 int *p = &a[5];
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15 int *q = p - 1;
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16 if (q != &a[4])
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17 link_error ();
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18 }
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19
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20 /* { dg-final { scan-tree-dump-times "Folded into: if " 1 "ccp1"} } */