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| author | Diego Novillo <dnovillo@google.com> | 2007-09-30 12:00:36 -0400 |
|---|---|---|
| committer | Diego Novillo <dnovillo@gcc.gnu.org> | 2007-09-30 12:00:36 -0400 |
| commit | a45db20b7574c6a50e5b2c3bca189b21973a7b10 (patch) | |
| tree | 258ac9ccc0b2befc416c750a3f7f91966492098c /gcc/tree-ssa-ter.c | |
| parent | 80aea554a701f35a6b53fcd9d9fb89d1430fe983 (diff) | |
| download | gcc-a45db20b7574c6a50e5b2c3bca189b21973a7b10.zip gcc-a45db20b7574c6a50e5b2c3bca189b21973a7b10.tar.gz gcc-a45db20b7574c6a50e5b2c3bca189b21973a7b10.tar.bz2 | |
re PR tree-optimization/33593 (tree-outof-ssa moves sources of non-call exceptions past sequence points)
PR 33593
* tree-ssa-ter.c (is_replaceable_p): Return false if STMT may
throw an exception.
testsuite/ChangeLog
PR 33593
* g++.dg/tree-ssa/pr33593.C: New test.
From-SVN: r128893
Diffstat (limited to 'gcc/tree-ssa-ter.c')
| -rw-r--r-- | gcc/tree-ssa-ter.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-ssa-ter.c b/gcc/tree-ssa-ter.c index 824252e..f0fef24 100644 --- a/gcc/tree-ssa-ter.c +++ b/gcc/tree-ssa-ter.c @@ -366,6 +366,10 @@ is_replaceable_p (tree stmt) if (TREE_CODE (stmt) != GIMPLE_MODIFY_STMT) return false; + /* If the statement may throw an exception, it cannot be replaced. */ + if (tree_could_throw_p (stmt)) + return false; + /* Punt if there is more than 1 def. */ def = SINGLE_SSA_TREE_OPERAND (stmt, SSA_OP_DEF); if (!def) |