File: pr61839_3.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 (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
 
/* PR tree-optimization/61839.  */
/* { dg-do run } */
/* { dg-options "-O2 -fdump-tree-vrp1 -fdump-tree-optimized" } */

__attribute__ ((noinline))
int foo (int a, unsigned b)
{
  int c = 1;
  b =  a ? 12 : 13;
  c = b << 8;
  if (c == 3072)
    ;
  else
    __builtin_abort ();
  return 0;
}

int main ()
{
  volatile unsigned b = 1U;
  foo (-1, b);
}

/* Scan for c [12, 13] << 8 in function foo.  */
/* { dg-final { scan-tree-dump-times "3072 : 3328" 2  "vrp1" } } */
/* { dg-final { scan-tree-dump-times "3072" 0  "optimized" } } */