fehler69: endless loop compiled program. maybe spill problem.

[libfirm] / ir / ir / irvrfy.c

diff --git a/ir/ir/irvrfy.c b/ir/ir/irvrfy.c
index d9d4deb..a5fff9c 100644 (file)
--- a/ir/ir/irvrfy.c
+++ b/ir/ir/irvrfy.c
@@ -1096,6 +1096,22 @@ static int verify_node_InstOf(ir_node *n, ir_graph *irg) {
        return 1;
 }
 
+/**
+ * Check if the pinned state is right.
+ */
+static int verify_right_pinned(ir_node *n) {
+       ir_node *mem;
+
+       if (get_irn_pinned(n) == op_pin_state_pinned)
+               return 1;
+       mem = get_Call_mem(n);
+
+       /* if it's not pinned, its memory predecessor must be NoMem or Pin */
+       if (is_NoMem(mem) || is_Pin(mem))
+               return 1;
+       return 0;
+}
+
 /**
  * verify a Call node
  */
@@ -1112,10 +1128,7 @@ static int verify_node_Call(ir_node *n, ir_graph *irg) {
        ASSERT_AND_RET( op1mode == mode_M && mode_is_reference(op2mode), "Call node", 0 );  /* operand M x ref */
 
        /* NoMem nodes are only allowed as memory input if the Call is NOT pinned */
-       ASSERT_AND_RET(
-               (get_irn_op(get_Call_mem(n)) == op_NoMem) ||
-               (get_irn_op(get_Call_mem(n)) != op_NoMem && get_irn_pinned(n) == op_pin_state_pinned),
-               "Call node with wrong memory input", 0 );
+       ASSERT_AND_RET(verify_right_pinned(n),"Call node with wrong memory input", 0 );
 
        mt = get_Call_type(n);
        if(get_unknown_type() == mt) {
@@ -1777,10 +1790,7 @@ static int verify_node_CopyB(ir_node *n, ir_graph *irg) {
 
        /* NoMem nodes are only allowed as memory input if the CopyB is NOT pinned.
           This should happen RARELY, as CopyB COPIES MEMORY */
-       ASSERT_AND_RET(
-               (get_irn_op(get_CopyB_mem(n)) == op_NoMem) ||
-               (get_irn_op(get_CopyB_mem(n)) != op_NoMem && get_irn_pinned(n) == op_pin_state_pinned),
-               "CopyB node with wrong memory input", 0 );
+       ASSERT_AND_RET(verify_right_pinned(n), "CopyB node with wrong memory input", 0 );
        return 1;
 }