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annotate gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-3.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 /* { dg-do run } */
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2 /* { dg-options "-O -fno-tree-fre -fdump-tree-dom2" } */
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3
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4 extern void abort (void);
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5
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6 int a;
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7 int __attribute__((noinline))
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8 foo (int b)
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9 {
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10 a = 0;
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11 if (b)
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12 {
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13 a = 1;
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14 return a;
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15 }
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16 /* DOM should be able to CSE both loads here, forwarding 0 and 1
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17 to the PHI feeding the return. */
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18 return a;
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19 }
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20
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21 int
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22 main()
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23 {
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24 if (foo (0) != 0
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25 || foo (1) != 1)
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26 abort ();
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27 return 0;
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28 }
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29
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30 /* { dg-final { scan-tree-dump "= PHI <\[01\]\\\(.\\\), \[01\]\\\(.\\\)>" "dom2" } } */