File: vrp19.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A7-2018-q2-5
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 539,188 kB
  • sloc: ansic: 2,739,935; cpp: 848,238; ada: 602,637; makefile: 62,919; asm: 55,635; xml: 46,238; exp: 23,020; sh: 19,616; python: 6,371; pascal: 3,889; awk: 3,278; perl: 2,691; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (26 lines) | stat: -rw-r--r-- 538 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
/* { dg-do compile } */
/* { dg-options "-fwrapv -O1 -ftree-vrp -fdisable-tree-evrp -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" } } */