[PATCH] add test case for builtin bswap with constant args

[Luc Van Oostenryck <luc.vanoostenryck@gmail.com>]

---
 validation/builtin-constant-eval.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 validation/builtin-constant-eval.c

diff --git a/validation/builtin-constant-eval.c b/validation/builtin-constant-eval.c
new file mode 100644
index 00000000..63e586e9
--- /dev/null
+++ b/validation/builtin-constant-eval.c
@@ -0,0 +1,28 @@
+unsigned short bswap16(void);
+unsigned short bswap16(void)
+{
+	return __builtin_bswap16(0x1234);
+}
+
+unsigned int bswap32(void);
+unsigned int bswap32(void)
+{
+	return __builtin_bswap32(0x12345678);
+}
+
+unsigned long long bswap64(void);
+unsigned long long bswap64(void)
+{
+	return __builtin_bswap64(0x123456789abcdef0ULL);
+}
+
+/*
+ * check-name: builtin-eval
+ * check-command: test-linearize $file
+ *
+ * check-output-ignore
+ * check-output-excludes: __builtin_bswap
+ * check-output-contains:ret.16 *.0x3412
+ * check-output-contains:ret.32 *.0x78563412
+ * check-output-contains:ret.64 *.0xf0debc9a78563412
+ */
-- 
2.10.2