1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-mls.ll b/test/CodeGen/Thumb2/thumb2-mls.ll
new file mode 100644
index 0000000..3c26306
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-mls.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {mls\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\]} | Count 1
+
+define i32 @f1(i32 %a, i32 %b, i32 %c) {
+    %tmp1 = mul i32 %a, %b
+    %tmp2 = sub i32 %c, %tmp1
+    ret i32 %tmp2
+}
+
+; sub doesn't commute, so no mls for this one
+define i32 @f2(i32 %a, i32 %b, i32 %c) {
+    %tmp1 = mul i32 %a, %b
+    %tmp2 = sub i32 %tmp1, %c
+    ret i32 %tmp2
+}