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-rw-r--r--gcc/tree-ssa-threadedge.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/gcc/tree-ssa-threadedge.c b/gcc/tree-ssa-threadedge.c
index 511eb6a624b..6ae5d3e5468 100644
--- a/gcc/tree-ssa-threadedge.c
+++ b/gcc/tree-ssa-threadedge.c
@@ -84,18 +84,20 @@ static tree
lhs_of_dominating_assert (tree op, basic_block bb, tree stmt)
{
imm_use_iterator imm_iter;
- use_operand_p imm_use;
+ tree use_stmt;
+ use_operand_p use_p;
- FOR_EACH_IMM_USE_SAFE (imm_use, imm_iter, op)
+ FOR_EACH_IMM_USE_FAST (use_p, imm_iter, op)
{
- tree use_stmt = USE_STMT (imm_use);
-
+ use_stmt = USE_STMT (use_p);
if (use_stmt != stmt
&& TREE_CODE (use_stmt) == MODIFY_EXPR
&& TREE_CODE (TREE_OPERAND (use_stmt, 1)) == ASSERT_EXPR
&& TREE_OPERAND (TREE_OPERAND (use_stmt, 1), 0) == op
&& dominated_by_p (CDI_DOMINATORS, bb, bb_for_stmt (use_stmt)))
- op = TREE_OPERAND (use_stmt, 0);
+ {
+ return TREE_OPERAND (use_stmt, 0);
+ }
}
return op;
}