[PATCH 1/2] add testcase for phi-adjusting during BB merge

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

When merging BBs, phi-sources from the bottom BB should 'overwrite'
the ones from the top BB which should be ignored.

Add a testcase from the incoming fix.

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
---
 validation/optim/merge_bbe-adjust_phi.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 validation/optim/merge_bbe-adjust_phi.c

diff --git a/validation/optim/merge_bbe-adjust_phi.c b/validation/optim/merge_bbe-adjust_phi.c
new file mode 100644
index 000000000000..de4c54cc6d49
--- /dev/null
+++ b/validation/optim/merge_bbe-adjust_phi.c
@@ -0,0 +1,24 @@
+extern int array[2];
+
+static inline int stupid_select(int idx)
+{
+	if (idx)
+		idx = 0;
+	return array[idx];
+}
+
+int select(void)
+{
+	int d = stupid_select(-1);
+	return d;
+}
+
+/*
+ * check-name: merge_bbe-adjust_phi
+ * check-command: test-linearize -Wno-decl $file
+ * check-known-to-fail
+ *
+ * check-output-ignore
+ * check-output-excludes: phisrc\\.
+ * check-output-excludes: phi\\.
+ */
-- 
2.29.2