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| author | Kazu Hirata <kazu@cs.umass.edu> | 2004-11-03 01:40:56 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2004-11-03 01:40:56 +0000 |
| commit | 359202709b30a7b66b858591dfba5621caa0e5aa (patch) | |
| tree | e82603b1a59f6e3b9dd04f496a06114c598cbddd | |
| parent | e597a4d366844db62a57cc385aedb1e8dff266b5 (diff) | |
| download | gcc-359202709b30a7b66b858591dfba5621caa0e5aa.zip gcc-359202709b30a7b66b858591dfba5621caa0e5aa.tar.gz gcc-359202709b30a7b66b858591dfba5621caa0e5aa.tar.bz2 | |
tree-cfg.c (find_taken_edge): Abort if we are given a statement that is neither COND_EXPR nor SWITCH_EXPR.
* tree-cfg.c (find_taken_edge): Abort if we are given a
statement that is neither COND_EXPR nor SWITCH_EXPR.
From-SVN: r90015
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-cfg.c | 8 |
2 files changed, 9 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f1234ba..d3d8d61 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-11-03 Kazu Hirata <kazu@cs.umass.edu> + + * tree-cfg.c (find_taken_edge): Abort if we are given a + statement that is neither COND_EXPR nor SWITCH_EXPR. + 2004-11-02 Zdenek Dvorak <dvorakz@suse.cz> * fold-const.c (fold): Reassociate also (x - mult) + mult and diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index c886f6a..b6d288b 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -1941,9 +1941,9 @@ cleanup_control_expr_graph (basic_block bb, block_stmt_iterator bsi) } -/* Given a control block BB and a predicate VAL, return the edge that - will be taken out of the block. If VAL does not match a unique - edge, NULL is returned. */ +/* Given a basic block BB ending with COND_EXPR or SWITCH_EXPR, and a + predicate VAL, return the edge that will be taken out of the block. + If VAL does not match a unique edge, NULL is returned. */ edge find_taken_edge (basic_block bb, tree val) @@ -1971,7 +1971,7 @@ find_taken_edge (basic_block bb, tree val) if (TREE_CODE (stmt) == SWITCH_EXPR) return find_taken_edge_switch_expr (bb, val); - return EDGE_SUCC (bb, 0); + gcc_unreachable (); } |