1 files changed, 11 insertions, 1 deletions
diff --git a/ir.h b/ir.h
index 1cb3def..112ab8e 100644
--- a/ir.h
+++ b/ir.h
@@ -62,6 +62,15 @@ typedef enum {
 
 const char *node_type_name(NodeType t);
 
+#define NODE_INPUT_MAX 2
+
+typedef struct {
+	struct Node *data[NODE_INPUT_MAX];
+	ptrdiff_t len;
+} NodeInputs;
+
+typedef DYNARR(struct Node *) NodeOutputs;
+
 typedef struct Node {
 	union {
 		struct Node *prev_free;
@@ -70,7 +79,8 @@ typedef struct Node {
 			int walked;
 			NodeType type;
 			LexSpan src_pos;
-			DYNARR(struct Node *) in, out;
+			NodeInputs in;
+			NodeOutputs out;
 			Value val;
 		};
 	};