From d1b732cbcce1782a4221ce859fbcd88a945f8342 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Thu, 25 Jul 2019 00:13:54 +0200
Subject: [PATCH] function argument benchmark

---
 compiler/tests/bench/val_vs_ptr.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 compiler/tests/bench/val_vs_ptr.c

diff --git a/compiler/tests/bench/val_vs_ptr.c b/compiler/tests/bench/val_vs_ptr.c
new file mode 100644
index 0000000000..b53851a5a5
--- /dev/null
+++ b/compiler/tests/bench/val_vs_ptr.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+
+int increment_val(int n) {
+	return n + 2;
+}
+
+// ~26% faster
+void increment_ptr(int* n) {
+	*n += 2;
+}
+
+int main() {
+	int n = 0;
+	for (int i = 0; i < 1000000000; i++) {
+		n = increment_val(n);
+		//increment_ptr(&n);
+	}
+	printf("%d\n", n);
+	return 0;
+}
+