diff options
Diffstat (limited to 'gcc/tree-ssa-sink.c')
| -rw-r--r-- | gcc/tree-ssa-sink.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/gcc/tree-ssa-sink.c b/gcc/tree-ssa-sink.c index eb8b360..acf832d 100644 --- a/gcc/tree-ssa-sink.c +++ b/gcc/tree-ssa-sink.c @@ -128,7 +128,7 @@ static basic_block nearest_common_dominator_of_uses (def_operand_p def_p, bool *debug_stmts) { tree var = DEF_FROM_PTR (def_p); - bitmap blocks = BITMAP_ALLOC (NULL); + auto_bitmap blocks; basic_block commondom; unsigned int j; bitmap_iterator bi; @@ -158,17 +158,14 @@ nearest_common_dominator_of_uses (def_operand_p def_p, bool *debug_stmts) /* Short circuit. Nothing dominates the entry block. */ if (useblock == ENTRY_BLOCK_PTR_FOR_FN (cfun)) - { - BITMAP_FREE (blocks); - return NULL; - } + return NULL; + bitmap_set_bit (blocks, useblock->index); } commondom = BASIC_BLOCK_FOR_FN (cfun, bitmap_first_set_bit (blocks)); EXECUTE_IF_SET_IN_BITMAP (blocks, 0, j, bi) commondom = nearest_common_dominator (CDI_DOMINATORS, commondom, BASIC_BLOCK_FOR_FN (cfun, j)); - BITMAP_FREE (blocks); return commondom; } |