Available functionality:
- CFG construction
- find_basic_blocks */
+ find_basic_blocks */
\f
#include "config.h"
#include "system.h"
case BARRIER:
/* It is nonsense to reach barrier when looking for the
- end of basic block, but before dead code is eliminated
- this may happen. */
+ end of basic block, but before dead code is eliminated
+ this may happen. */
return false;
default:
for (insn = f; insn; insn = NEXT_INSN (insn))
{
/* Code labels and barriers causes current basic block to be
- terminated at previous real insn. */
+ terminated at previous real insn. */
if ((LABEL_P (insn) || BARRIER_P (insn))
&& saw_insn)
count++, saw_insn = false;
actually lay them out. */
basic_block_info = VEC_alloc (basic_block, gc, n_basic_blocks);
- VEC_safe_grow (basic_block, gc, basic_block_info, n_basic_blocks);
- memset (VEC_address (basic_block, basic_block_info), 0,
- sizeof (basic_block) * n_basic_blocks);
+ VEC_safe_grow_cleared (basic_block, gc, basic_block_info, n_basic_blocks);
SET_BASIC_BLOCK (ENTRY_BLOCK, ENTRY_BLOCK_PTR);
SET_BASIC_BLOCK (EXIT_BLOCK, EXIT_BLOCK_PTR);
for (ei = ei_start (bb->succs); (e = ei_safe_edge (ei)); )
{
if (FULL_STATE (e->dest) & BLOCK_USED_BY_TABLEJUMP)
- SET_STATE (e->dest, FULL_STATE (e->dest)
- & ~(size_t) BLOCK_USED_BY_TABLEJUMP);
+ SET_STATE (e->dest, FULL_STATE (e->dest)
+ & ~(size_t) BLOCK_USED_BY_TABLEJUMP);
else if (!(e->flags & (EDGE_ABNORMAL | EDGE_EH)))
- {
- remove_edge (e);
- continue;
- }
+ {
+ remove_edge (e);
+ continue;
+ }
ei_next (&ei);
}
}