From 6fc94fd3f7edad42e77426153f9933376b621142 Mon Sep 17 00:00:00 2001 From: lemon Date: Sun, 21 Dec 2025 21:18:50 +0100 Subject: simpl: optimize unsigned & signed division by power of 2 --- ir/mem2reg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'ir/mem2reg.c') diff --git a/ir/mem2reg.c b/ir/mem2reg.c index a1a4132..0bd78ca 100644 --- a/ir/mem2reg.c +++ b/ir/mem2reg.c @@ -262,7 +262,7 @@ mem2reg(struct function *fn) } goto Next; } - if (!ndef) /* slot is read from but never written to */ + if (!ndef && instrnuse[var] > 0) /* slot is read from but never written to */ goto Next; qsort(instruse[var], instrnuse[var], sizeof *instruse[var], cmpuse); -- cgit v1.2.3