File: vrp56.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 (42 lines) | stat: -rw-r--r-- 788 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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
/* { dg-do compile } */ 
/* { dg-options "-O2 -fdump-tree-ethread-stats" } */
typedef struct basic_block_def *basic_block;
struct basic_block_def;
struct edge_def;
typedef struct edge_def *edge;
typedef struct VEC_edge_base
{
  unsigned num;
} VEC_edge_base;
typedef struct VEC_edge_none
{
  VEC_edge_base base;
} VEC_edge_none;
static __inline__ unsigned
VEC_edge_base_length (VEC_edge_base * vec_)
{
  return vec_ ? vec_->num : 0;
}

typedef struct VEC_edge_gc
{
  VEC_edge_base base;
} VEC_edge_gc;
struct basic_block_def
{
  VEC_edge_gc *succs;
};
void foo (void);

unsigned char
cleanup_empty_eh (basic_block bb)
{
  edge e_out;
  switch (VEC_edge_base_length (&bb->succs->base))
    {
    case 1:
	foo ();
    }
}
/* { dg-final { scan-tree-dump "Jumps threaded: 1" "ethread"} } */