Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
validation/optim/canonical-mul.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
create mode 100644 validation/optim/canonical-mul.c
diff --git a/validation/optim/canonical-mul.c b/validation/optim/canonical-mul.c
new file mode 100644
index 000000000..90d59f2e2
--- /dev/null
+++ b/validation/optim/canonical-mul.c
@@ -0,0 +1,24 @@
+#define uint unsigned int
+
+uint xtc_umul_ytc(uint x, uint y) { return (x * 3) * (y * 2); }
+
+/*
+ * check-name: canonical-muldiv
+ * check-description:
+ * 1) verify that constants in mul chains are
+ * pushed at the right of the whole chain.
+ * For example '(a * 3) * b' must be canonicalized into '(a * b) * 1'
+ * This is needed in general for constant simplification;
+ * for example, for:
+ * '(a * 3) * (b * 2)'
+ * to be simplified into:
+ * '(a * b) * 6'
+ *
+ * check-command: test-linearize -Wno-decl $file
+ * check-known-to-fail
+ * check-output-ignore
+ *
+ * check-output-excludes: \$3
+ * check-output-excludes: \$2
+ * check-output-contains: \$6
+ */
--
2.14.0
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