File: pr18133-1.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 (27 lines) | stat: -rw-r--r-- 735 bytes parent folder | download | duplicates (6) 
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
 
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized-blocks-details" } */

void foo (void)
{
void *p;
p = &&L0;
goto *p;
L0:
return;
}

/* The goto &L0 should have been optimized away during CFG
   cleanups.  */
/* { dg-final { scan-tree-dump-not "goto &L0" "optimized" } } */

/* There should not be any abnormal edges as DOM removed the
   computed goto.  */

/* { dg-final { scan-tree-dump-not "ABNORMAL" "optimized" } } */

/* And verify that we have fixed the fallthru flag as well. 
   After DOM we will have two fallthru edges (e->0, 0->1),
   but in the dump files we mention the 2->3 two times.  So
   scan for 3 instances of "FALLTHRU".  */

/* { dg-final { scan-tree-dump-times "FALLTHRU" 3 "optimized" } } */