IR: add 3rd operand to Instr

The motivation is for aarch64 msub/madd instrs, for isel to produce. But
it should be useful for other things too.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ir_ssa.c b/src/ir_ssa.c
index f3fcb5d..6e7945b 100644
--- a/src/ir_ssa.c
+++ b/src/ir_ssa.c
@@ -35,7 +35,7 @@ copyopt(Function *fn)
             if (ins->cls != k) continue;
 
             replcuses(var, arg);
-            *ins = mkinstr(Onop,0,);
+            *ins = mkinstr0(Onop,0);
             deluses(var.i);
          }
       }