diff options
| author | uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-07-16 14:27:53 +0000 |
|---|---|---|
| committer | uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-07-16 14:27:53 +0000 |
| commit | 522f73a10764fa17a12cc53c22b36ec1b935b2f6 (patch) | |
| tree | a9b04d5699adbb5b09331d384183ac00cea3acf5 /gcc/tree-ssa-ccp.c | |
| parent | a204f0622242865ffea889bd698bc7c7bd236bd1 (diff) | |
| download | gcc-522f73a10764fa17a12cc53c22b36ec1b935b2f6.tar.gz | |
* tree-ssa-ccp.c (optimize_unreachable): Check gsi_end_p
before calling gsi_stmt.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@189539 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-ccp.c')
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index d2ce870a1f0..6dc30e148cd 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -2355,9 +2355,11 @@ optimize_unreachable (gimple_stmt_iterator i) FOR_EACH_EDGE (e, ei, bb->preds) { gsi = gsi_last_bb (e->src); - stmt = gsi_stmt (gsi); + if (gsi_end_p (gsi)) + continue; - if (stmt && gimple_code (stmt) == GIMPLE_COND) + stmt = gsi_stmt (gsi); + if (gimple_code (stmt) == GIMPLE_COND) { if (e->flags & EDGE_TRUE_VALUE) gimple_cond_make_false (stmt); |