IR: mark free'd instructions as such

That way they are not copied when inlining.
Also rename ninstr -> ninstrtab. opnarg -> opnoper

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ir_simpl.c b/src/ir_simpl.c
index d353cfa..1a3eb76 100644
--- a/src/ir_simpl.c
+++ b/src/ir_simpl.c
@@ -84,7 +84,7 @@ divmodk(Instr *ins, Block *blk, int *curi)
 static int
 doins(Instr *ins, Block *blk, int *curi)
 {
-   int narg = opnarg[ins->op];
+   int narg = opnoper[ins->op];
    if (oisarith(ins->op)) {
       Ref r = narg == 1 ? irunop(NULL, ins->op, ins->cls, ins->l)
                               : irbinop(NULL, ins->op, ins->cls, ins->l, ins->r);