Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
validation/optim/canonical-add.c | 55 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)
create mode 100644 validation/optim/canonical-add.c
diff --git a/validation/optim/canonical-add.c b/validation/optim/canonical-add.c
new file mode 100644
index 000000000..b7035e4cd
--- /dev/null
+++ b/validation/optim/canonical-add.c
@@ -0,0 +1,55 @@
+int xpc_add_ypc(int x, int y)
+{
+ return (x + 1) + (y + 1);
+}
+
+int xmc_add_ypc(int x, int y)
+{
+ return (x - 1) + (y + 1);
+}
+
+int xpc_add_ymc(int x, int y)
+{
+ return (x + 1) + (y - 1);
+}
+
+int xmc_add_ymc(int x, int y)
+{
+ return (x - 1) + (y - 1);
+}
+
+int xpc_sub_ypc(int x, int y)
+{
+ return (x + 1) - (y + 1);
+}
+
+int xmc_sub_ypc(int x, int y)
+{
+ return (x - 1) - (y + 1);
+}
+
+int xpc_sub_ymc(int x, int y)
+{
+ return (x + 1) - (y - 1);
+}
+
+int xmc_sub_ymc(int x, int y)
+{
+ return (x - 1) - (y - 1);
+}
+
+/*
+ * check-name: canonical-add
+ * check-description:
+ * 1) verify that constants in add/sub chains are
+ * pushed at the right of the whole chain.
+ * For example '(a + 1) + b' must be canonicalized into '(a + b) + 1'
+ * This is needed for '(a + 1) + b - 1' to be simplified into '(a + b)'
+ *
+ * check-command: test-linearize -Wno-decl $file
+ * check-known-to-fail
+ * check-output-ignore
+
+ * check-output-excludes: \$1
+ * check-output-excludes: \$-1
+ */
--
2.14.0
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