fix bug of lhs getting culled if same node optimized out of rhs

1 files changed, 3 insertions, 9 deletions

diff --git a/ir.h b/ir.h
index 112ab8e..799a0e0 100644
--- a/ir.h
+++ b/ir.h
@@ -62,20 +62,14 @@ 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 DYNARR(struct Node *) NodeList;
+typedef NodeList NodeInputs, NodeOutputs;
 
 typedef struct Node {
+	int id, refs;
 	union {
 		struct Node *prev_free;
 		struct {
-			int id, refs;
 			int walked;
 			NodeType type;
 			LexSpan src_pos;