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-rw-r--r--gcc/tree-vectorizer.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c
index e262ba0..78d9da6 100644
--- a/gcc/tree-vectorizer.c
+++ b/gcc/tree-vectorizer.c
@@ -752,6 +752,8 @@ vect_stmt_dominates_stmt_p (gimple *s1, gimple *s2)
if (gsi_stmt (gsi1) == s2)
return true;
}
+ if (gimple_uid (gsi_stmt (gsi1)) == -1u)
+ return false;
gimple_stmt_iterator gsi2 = gsi_for_stmt (s2);
while (gimple_uid (gsi_stmt (gsi2)) == 0)
@@ -762,6 +764,8 @@ vect_stmt_dominates_stmt_p (gimple *s1, gimple *s2)
if (gsi_stmt (gsi2) == s1)
return true;
}
+ if (gimple_uid (gsi_stmt (gsi2)) == -1u)
+ return false;
if (gimple_uid (gsi_stmt (gsi1)) <= gimple_uid (gsi_stmt (gsi2)))
return true;