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author | Richard Henderson <rth@redhat.com> | 2005-10-05 17:02:57 -0700 |
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committer | Richard Henderson <rth@gcc.gnu.org> | 2005-10-05 17:02:57 -0700 |
commit | bf7e247271fe1ae00a94d1d4ba8e26db9767d5cb (patch) | |
tree | 0593d45ae4e083fc9bb38c628fa8114d59031624 /gcc/tree-cfg.c | |
parent | c54c1b2b52cb2cc41b2b5aa88d83c16f3833428b (diff) | |
download | gcc-bf7e247271fe1ae00a94d1d4ba8e26db9767d5cb.zip gcc-bf7e247271fe1ae00a94d1d4ba8e26db9767d5cb.tar.gz gcc-bf7e247271fe1ae00a94d1d4ba8e26db9767d5cb.tar.bz2 |
re PR middle-end/23714 (ICE in expand_assignment)
PR 23714
* tree-cfg.c (mark_array_ref_addressable_1): New.
(mark_array_ref_addressable): New.
* tree-flow.h (mark_array_ref_addressable): Declare.
* tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
From-SVN: r105022
Diffstat (limited to 'gcc/tree-cfg.c')
-rw-r--r-- | gcc/tree-cfg.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index d5d466e..74e6063 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -421,6 +421,39 @@ fold_cond_expr_cond (void) } } +/* Mark the array of any remaining ARRAY_REFs as addressable. */ + +static tree +mark_array_ref_addressable_1 (tree *tp, int *walk_subtrees, + void *data ATTRIBUTE_UNUSED) +{ + tree t = *tp; + + if (DECL_P (t) || TYPE_P (t)) + *walk_subtrees = 0; + else if (TREE_CODE (t) == ARRAY_REF) + { + tree base = get_base_address (TREE_OPERAND (t, 0)); + if (base && DECL_P (base)) + TREE_ADDRESSABLE (base) = 1; + } + + return NULL_TREE; +} + +void +mark_array_ref_addressable (void) +{ + basic_block bb; + block_stmt_iterator i; + + FOR_EACH_BB (bb) + { + for (i = bsi_start (bb); !bsi_end_p(i); bsi_next(&i)) + walk_tree (bsi_stmt_ptr (i), mark_array_ref_addressable_1, NULL, NULL); + } +} + /* Join all the blocks in the flowgraph. */ static void |