harec

commit bd1b32af9c699be04f24ef97fedb5b0b252ccdef
parent 6294e83e47c6544e86af1bc54e236737d09279b8
Author: Drew DeVault <sir@cmpwn.com>
Date:   Tue, 29 Dec 2020 09:48:42 -0500

gen: fix void calls

Diffstat:
M
src/gen.c
 | 
9
++++++---

1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/src/gen.c b/src/gen.c
@@ -367,15 +367,18 @@ gen_expr_call(struct gen_context *ctx,
 	const struct qbe_value *out)
 {
 	struct qbe_value result = {0};
-	gen_temp(ctx, &result, qtype_for_type(ctx,
-		expr->call.lvalue->result->func.result, true), "returns.%d");
 
 	struct qbe_statement call = {
 		.type = Q_INSTR,
 		.instr = Q_CALL,
-		.out = qval_dup(&result),
 	};
 
+	if (expr->call.lvalue->result->func.result != &builtin_type_void) {
+		gen_temp(ctx, &result, qtype_for_type(ctx,
+			expr->call.lvalue->result->func.result, true), "returns.%d");
+		call.out = qval_dup(&result);
+	}
+
 	struct qbe_arguments *arg, **next = &call.args;
 	struct call_argument *carg = expr->call.args;
 	arg = *next = xcalloc(1, sizeof(struct qbe_arguments));