From 6e70be3f22f85b02cdc30ef506f289b2700ca986 Mon Sep 17 00:00:00 2001
From: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date: Tue, 12 Apr 2016 10:49:56 -0400
Subject: simplify fillpreds() code

---
 ssa.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/ssa.c b/ssa.c
index 77c6258..7e03578 100644
--- a/ssa.c
+++ b/ssa.c
@@ -87,16 +87,11 @@ filluse(Fn *fn)
 static void
 addpred(Blk *bp, Blk *bc)
 {
-	uint i;
-
 	if (!bc->pred) {
 		bc->pred = alloc(bc->npred * sizeof bc->pred[0]);
-		for (i=0; i<bc->npred; i++)
-			bc->pred[i] = 0;
+		bc->visit = 0;
 	}
-	for (i=0; bc->pred[i]; i++)
-		;
-	bc->pred[i] = bp;
+	bc->pred[bc->visit++] = bp;
 }
 
 /* fill predecessors information in blocks
-- 
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