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| author | Jeff Law <law@redhat.com> | 2013-08-28 09:07:45 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2013-08-28 09:07:45 -0600 |
| commit | 34554d1a8ff28d42caf020a4e68982458fc9ad93 (patch) | |
| tree | 089b6bbb6feac49068fc164ef9c0ffc916a99955 /gcc/tree-ssa-threadedge.c | |
| parent | 184799e76349bb0cc0f3193194d32d1edd405cf9 (diff) | |
| download | gcc-34554d1a8ff28d42caf020a4e68982458fc9ad93.zip gcc-34554d1a8ff28d42caf020a4e68982458fc9ad93.tar.gz gcc-34554d1a8ff28d42caf020a4e68982458fc9ad93.tar.bz2 | |
tree-ssa-threadedge.c (thread_around_empty_block): Remove checks for the number of predecessors and successors allowed.
* tree-ssa-threadedge.c (thread_around_empty_block): Remove
checks for the number of predecessors and successors allowed.
* tree-ssa-threadupdate.c (mark_threaded_blocks): Ignore requests
which require copying a joiner block if there is a request which
is a subpath that requires no joiner block copying.
From-SVN: r202054
Diffstat (limited to 'gcc/tree-ssa-threadedge.c')
| -rw-r--r-- | gcc/tree-ssa-threadedge.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/gcc/tree-ssa-threadedge.c b/gcc/tree-ssa-threadedge.c index 320dec5..fc33647 100644 --- a/gcc/tree-ssa-threadedge.c +++ b/gcc/tree-ssa-threadedge.c @@ -761,14 +761,6 @@ thread_around_empty_block (edge taken_edge, gimple stmt; tree cond; - /* This block must have a single predecessor (E->dest). */ - if (!single_pred_p (bb)) - return NULL; - - /* This block must have more than one successor. */ - if (single_succ_p (bb)) - return NULL; - /* This block can have no PHI nodes. This is overly conservative. */ if (!gsi_end_p (gsi_start_phis (bb))) return NULL; |