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authorRichard Sandiford <rsandifo@nildram.co.uk>2007-10-09 11:05:33 +0000
committerRichard Sandiford <rsandifo@gcc.gnu.org>2007-10-09 11:05:33 +0000
commit05c42b11e64489819f65e0daec4679f311ec3632 (patch)
tree94d4249b124b7d6332c42eef3d7a4bddeec5583c /gcc/tree-ssa-pre.c
parent94172876940bd493e6c193e46dfacaa77d1f8606 (diff)
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re PR tree-optimization/33615 (Hoisting of potentially-throwing values for -fnon-call-exceptions)
gcc/ PR tree-optimization/33615 * tree-ssa-pre.c (compute_avail): Don't call make_values_for_stmt if the statement might throw. Fix formatting. gcc/testsuite/ PR tree-optimization/33615 * g++.dg/tree-ssa/pr33615-2.C: New test. From-SVN: r129164
Diffstat (limited to 'gcc/tree-ssa-pre.c')
-rw-r--r--gcc/tree-ssa-pre.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index 33c44ee..6203467 100644
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -3555,10 +3555,11 @@ compute_avail (void)
}
else if (TREE_CODE (stmt) == GIMPLE_MODIFY_STMT
- && !ann->has_volatile_ops
- && TREE_CODE (GIMPLE_STMT_OPERAND (stmt, 0)) == SSA_NAME
- && !SSA_NAME_OCCURS_IN_ABNORMAL_PHI
- (GIMPLE_STMT_OPERAND (stmt, 0)))
+ && !ann->has_volatile_ops
+ && TREE_CODE (GIMPLE_STMT_OPERAND (stmt, 0)) == SSA_NAME
+ && (!SSA_NAME_OCCURS_IN_ABNORMAL_PHI
+ (GIMPLE_STMT_OPERAND (stmt, 0)))
+ && !tree_could_throw_p (stmt))
{
if (make_values_for_stmt (stmt, block))
continue;