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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [vrp24.c] - Blame information for rev 853

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Line No. Rev Author Line
1 149 jeremybenn
/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-vrp1-details" } */
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struct rtx_def;
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typedef struct rtx_def *rtx;
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union rtunion_def
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{
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  rtx rt_rtx;
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};
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typedef union rtunion_def rtunion;
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struct rtx_def
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{
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  int code;
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  union u
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  {
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    rtunion fld[1];
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  } u;
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};
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sss (rtx insn, int code1, int code2, int code3)
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{
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  _Bool D1562;
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  struct rtx_def * body;
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  int i;
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  int n_sets;
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  int D1544;
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  body = insn->u.fld[5].rt_rtx;
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  D1544 = body->code;
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  n_sets = 1;
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  if (D1544 == 55) goto L7; else goto L1;
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L1:
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  n_sets = 0;
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  if (code3 == 99) goto L2; else goto L11;
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L2:
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  D1562 = code1 == 10;
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  n_sets = (int) D1562;
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  if (n_sets > 0) goto L7; else goto L11;
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L37:
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  if (code2 == 42) goto L8; else goto L9;
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L8:
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  arf ();
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L9:
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  i = i + 1;
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  if (i < n_sets) goto L37; else goto L32;
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L32:
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L11:
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  if (n_sets > 1) goto L12; else goto L15;
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L12:
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  nit ();
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L14:
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  i = 0;
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  goto L38;
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L15:
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  if (n_sets > 0) goto L14; else goto L16;
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L38:
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  frob ();
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  i = i + 1;
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  if (n_sets > i) goto L38; else goto L16;
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L16:
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  return;
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L7:
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  i = 0;
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  goto L37;
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}
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/* The first n_sets > 0 test can be simplfiied into n_sets == 1 since
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   n_sets can only have the values [0, 1] as it's the result of a
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   boolean operation.
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   The second n_sets > 0 test can also be simplified into n_sets == 1
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   as the only way to reach the tests is when n_sets <= 1 and the only
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   value which satisfies both conditions is n_sets == 1.  */
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/* { dg-final { scan-tree-dump-times "Simplified relational" 2 "vrp1" } } */
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/* { dg-final { cleanup-tree-dump "vrp1" } } */
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