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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [vrp19.c] - Blame information for rev 816

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/* { dg-do compile } */
/* { dg-options "-fwrapv -O1 -ftree-vrp -fdump-tree-vrp1" } */
 
#include <limits.h>
extern void abort ();
extern void exit (int);
 
int f (int a) {
        if (a != INT_MIN) {
                a = a > 0 ? a : -a;
                if (a < 0)
                  return 1;
        }
        return 0;
}
 
int g (int b) {
        if (b != INT_MIN) {
                b = b > 0 ? b : -b;
                if (b >= 0)
                  return 0;
        }
        return 1;
}
/* { dg-final { scan-tree-dump "Folding predicate a_. < 0 to 0" "vrp1" } } */
/* { dg-final { scan-tree-dump "Folding predicate b_. >= 0 to 1" "vrp1" } } */
/* { dg-final { cleanup-tree-dump "vrp1" } } */

Line No.	Rev	Author	Line
1	149	jeremybenn	`/* { dg-do compile } */`
2			`/* { dg-options "-fwrapv -O1 -ftree-vrp -fdump-tree-vrp1" } */`
3
4			`#include <limits.h>`
5			`extern void abort ();`
6			`extern void exit (int);`
7
8			`int f (int a) {`
9			`if (a != INT_MIN) {`
10			`a = a > 0 ? a : -a;`
11			`if (a < 0)`
12			`return 1;`
13			`}`
14			`return 0;`
15			`}`
16
17			`int g (int b) {`
18			`if (b != INT_MIN) {`
19			`b = b > 0 ? b : -b;`
20			`if (b >= 0)`
21			`return 0;`
22			`}`
23			`return 1;`
24			`}`
25			`/* { dg-final { scan-tree-dump "Folding predicate a_. < 0 to 0" "vrp1" } } */`
26			`/* { dg-final { scan-tree-dump "Folding predicate b_. >= 0 to 1" "vrp1" } } */`
27			`/* { dg-final { cleanup-tree-dump "vrp1" } } */`

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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [vrp19.c] - Blame information for rev 816