Trivial phi-nodes are phi-nodes having an unique possible outcome.
So, there is nothing to join and the phi-node target can be replaced
by the unique value.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
validation/optim/trivial-phis.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
create mode 100644 validation/optim/trivial-phis.c
diff --git a/validation/optim/trivial-phis.c b/validation/optim/trivial-phis.c
new file mode 100644
index 000000000..754affb73
--- /dev/null
+++ b/validation/optim/trivial-phis.c
@@ -0,0 +1,15 @@
+void foo(int a)
+{
+ while (1)
+ a ^= 0;
+}
+
+/*
+ * check-name: trivial phis
+ * check-command: test-linearize -Wno-decl $file
+ * check-known-to-fail
+ *
+ * check-output-ignore
+ * check-output-excludes: phi\\.
+ * check-output-excludes: phisrc\\.
+ */
--
2.18.0
