File: pr61839_3.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
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" } } */