fixed processing of mode_T nodes

diff --git a/ir/opt/gvn_pre.c b/ir/opt/gvn_pre.c
index e8672d0..4cdf4ca 100644 (file)
--- a/ir/opt/gvn_pre.c
+++ b/ir/opt/gvn_pre.c
@@ -265,7 +265,9 @@ static int compare_gvn_identities(const void *elt, const void *key)
 
        /* memops are not the same, even if we want to optimize them
           we have to take the order in account */
-       if (is_memop(a) || is_memop(b)) {
+       if (is_memop(a) || is_memop(b) ||
+           get_irn_mode(a) == mode_T ||
+           get_irn_mode(b) == mode_T) {
                /* Loads with the same predecessors are the same value;
                   this should only happen after phi translation. */
                if ((! is_Load(a) || ! is_Load(b)) && (! is_Store(a) || ! is_Store(b)))