File: ifc-pr68583.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (30 lines) | stat: -rw-r--r-- 723 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
27
28
29
30
 
/* { dg-do compile } */
/* { dg-options "-O3 -fdump-tree-ifcvt-blocks-details" } */

void foo (long *a)
{
  int i;
  for (i = 0; i < 100; i+=2)
    {
      long *p = &a[i+1];
      if (a[i] == 0)
	{
	  *p = 2;
	  a[i] = 3;
	}
      else
	{
	  *p = 3;
	  a[i] = 4;
	}
    }
}

/* { dg-final { scan-tree-dump "Applying if-conversion" "ifcvt" } } */
/* We insert into code
   if (LOOP_VECTORIZED (...))
   which is folded by vectorizer.  Both outgoing edges must have probability
   100% so the resulting profile match after folding.  */
/* { dg-final { scan-tree-dump-times "Invalid sum of outgoing probabilities 200.0" 1 "ifcvt" } } */
/* { dg-final { scan-tree-dump-times "Invalid sum of incoming counts" 1 "ifcvt" } } */