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basic-block.h (single_succ_p, [...]): Improve comments.

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* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
	single_pred_edge, single_succ, single_pred): Improve comments.

From-SVN: r96293
This commit is contained in:
Zdenek Dvorak 2005-03-11 10:30:50 +01:00 committed by Zdenek Dvorak
parent c5cbcccf90
commit 81b29e2f3d
2 changed files with 13 additions and 4 deletions

5
gcc/ChangeLog

@ -1,3 +1,8 @@
2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
single_pred_edge, single_succ, single_pred): Improve comments.
2005-03-11 Zdenek Dvorak <dvorakz@suse.cz>
* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,

12
gcc/basic-block.h

@ -563,7 +563,8 @@ single_pred_p (basic_block bb)
return EDGE_COUNT (bb->preds) == 1;
}
/* Returns the single successor edge of basic block BB. */
/* Returns the single successor edge of basic block BB. Aborts if
BB does not have exactly one successor. */
static inline edge
single_succ_edge (basic_block bb)
@ -572,7 +573,8 @@ single_succ_edge (basic_block bb)
return EDGE_SUCC (bb, 0);
}
/* Returns the single predecessor edge of basic block BB. */
/* Returns the single predecessor edge of basic block BB. Aborts
if BB does not have exactly one predecessor. */
static inline edge
single_pred_edge (basic_block bb)
@ -581,7 +583,8 @@ single_pred_edge (basic_block bb)
return EDGE_PRED (bb, 0);
}
/* Returns the single successor block of basic block BB. */
/* Returns the single successor block of basic block BB. Aborts
if BB does not have exactly one successor. */
static inline basic_block
single_succ (basic_block bb)
@ -589,7 +592,8 @@ single_succ (basic_block bb)
return single_succ_edge (bb)->dest;
}
/* Returns the single predecessor block of basic block BB. */
/* Returns the single predecessor block of basic block BB. Aborts
if BB does not have exactly one predecessor.*/
static inline basic_block
single_pred (basic_block bb)