Switch nodes may have dw inputs, without outputs

switch with double-word input leads to panic, but still better than
obscure verifier errors.

diff --git a/ir/lower/lower_dw.c b/ir/lower/lower_dw.c
index b12c1bd..16637ab 100644 (file)
--- a/ir/lower/lower_dw.c
+++ b/ir/lower/lower_dw.c
@@ -2756,6 +2756,7 @@ static bool always_lower(unsigned code)
        case iro_Call:
        case iro_Return:
        case iro_Cond:
+       case iro_Switch:
        case iro_Conv:
        case iro_Sel:
                return true;