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authorRong Xu <xur@google.com>2014-07-21 16:47:22 -0700
committerRong Xu <xur@google.com>2014-07-29 15:31:03 -0700
commit38a8aecfb882072900434499696b5c32a2274515 (patch)
tree2aac97f0ae24b03cd98c1a06e989c031c173f889 /gcc-4.9/gcc/graphite-scop-detection.c
parentc231900e5dcc14d8296bd9f62b45997a49d4d5e7 (diff)
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[4.9] Switch gcc-4.9 to use google/gcc-4_9 branch.
This source drop uses svn version r212828 of google/gcc-4.9 branch. We also cherry-picked r213062, r213063 and r213064 to fix windows build issues. All gcc-4.9 patches before July 3rd are ported to google/gcc-4.9. The following prior commits has not been merged to google branch yet. (They are included in this commit). e7af147f979e657fe2df00808e5b4319b0e088c6, baf87df3cb2683649ba7e9872362a7e721117c23, and c231900e5dcc14d8296bd9f62b45997a49d4d5e7. Change-Id: I4bea3ea470387ff751c2be4cb0d4a12059b9299b
Diffstat (limited to 'gcc-4.9/gcc/graphite-scop-detection.c')
-rw-r--r--gcc-4.9/gcc/graphite-scop-detection.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc-4.9/gcc/graphite-scop-detection.c b/gcc-4.9/gcc/graphite-scop-detection.c
index 821f0846e..635e21a85 100644
--- a/gcc-4.9/gcc/graphite-scop-detection.c
+++ b/gcc-4.9/gcc/graphite-scop-detection.c
@@ -474,8 +474,10 @@ scopdet_basic_block_info (basic_block bb, loop_p outermost_loop,
result.exits = false;
/* Mark bbs terminating a SESE region difficult, if they start
- a condition. */
- if (!single_succ_p (bb))
+ a condition or if the block it exits to cannot be split
+ with make_forwarder_block. */
+ if (!single_succ_p (bb)
+ || bb_has_abnormal_pred (single_succ (bb)))
result.difficult = true;
else
result.exit = single_succ (bb);