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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-vrp1-details" } */
extern void abort ();
int tree_code_length[100];
blah (int code1)
{
unsigned char D18670;
if (code1 != 53) goto L0; else goto L1;
L0:
abort ();
L1:
D18670 = tree_code_length[53];
if (D18670 <= 1) goto L2; else goto L3;
L2:
abort ();
L3:
if (D18670 == 2) goto L4; else goto L5;
L4:
abort ();
L5:
arf ();
if (code1 != 53) goto L6; else goto L7;
L6:
abort ();
L7:
if (D18670 <= 2) goto L8; else goto L9;
L8:
abort ();
L9:
return;
}
/* The second test of (code1 != 53) and the test (D18670 <= 2) are
both totally subsumed by earlier tests and thus should be folded
away using VRP. */
/* { dg-final { scan-tree-dump-times "Folding predicate" 2 "vrp1" } } */
/* { dg-final { cleanup-tree-dump "vrp1" } } */
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