remove Node.walked in favor of bit sets (1/32x the memory)HEADmaster

1 files changed, 9 insertions, 10 deletions

diff --git a/ir.h b/ir.h
index ae91b6c..403e054 100644
--- a/ir.h
+++ b/ir.h
@@ -110,21 +110,20 @@ typedef struct {
 } NodeList;
 
 typedef struct Node {
+	u32 id;
+	NodeType op;
 	union {
 		struct Node *prev_free;
 		struct {
-			NodeList in; /* note: index 0 used for control flow */
-			NodeList out;
-			int walked;
-			LexSpan src_pos;
-			union {
-				Type type;
-				Value val;
-			};
+			/* index 0 of in is control */
+			NodeList in, out;
 		};
 	};
-	int id;
-	NodeType op;
+	LexSpan src_pos;
+	union {
+		Type type;
+		Value val;
+	};
 } Node;
 
 /* convenience macros (lisp-inspired lol) */