diff options
Diffstat (limited to 'gcc/tree-ssa-loop-im.c')
| -rw-r--r-- | gcc/tree-ssa-loop-im.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/gcc/tree-ssa-loop-im.c b/gcc/tree-ssa-loop-im.c index 9aba79ba776..ffd6d1706d9 100644 --- a/gcc/tree-ssa-loop-im.c +++ b/gcc/tree-ssa-loop-im.c @@ -24,6 +24,7 @@ along with GCC; see the file COPYING3. If not see #include "hash-set.h" #include "machmode.h" #include "vec.h" +#include "bitvec.h" #include "double-int.h" #include "input.h" #include "alias.h" @@ -2366,7 +2367,7 @@ store_motion (void) blocks that contain a nonpure call. */ static void -fill_always_executed_in_1 (struct loop *loop, sbitmap contains_call) +fill_always_executed_in_1 (struct loop *loop, const bitvec &contains_call) { basic_block bb = NULL, *bbs, last = NULL; unsigned i; @@ -2385,7 +2386,7 @@ fill_always_executed_in_1 (struct loop *loop, sbitmap contains_call) if (dominated_by_p (CDI_DOMINATORS, loop->latch, bb)) last = bb; - if (bitmap_bit_p (contains_call, bb->index)) + if (contains_call[bb->index]) break; FOR_EACH_EDGE (e, ei, bb->succs) @@ -2435,11 +2436,10 @@ fill_always_executed_in_1 (struct loop *loop, sbitmap contains_call) static void fill_always_executed_in (void) { - sbitmap contains_call = sbitmap_alloc (last_basic_block_for_fn (cfun)); + stack_bitvec contains_call (last_basic_block_for_fn (cfun)); basic_block bb; struct loop *loop; - bitmap_clear (contains_call); FOR_EACH_BB_FN (bb, cfun) { gimple_stmt_iterator gsi; @@ -2450,13 +2450,11 @@ fill_always_executed_in (void) } if (!gsi_end_p (gsi)) - bitmap_set_bit (contains_call, bb->index); + contains_call[bb->index] = true; } for (loop = current_loops->tree_root->inner; loop; loop = loop->next) fill_always_executed_in_1 (loop, contains_call); - - sbitmap_free (contains_call); } |