new testcase

[oota-llvm.git] / test / Transforms / Reassociate / mulfactor.ll

diff --git a/test/Transforms/Reassociate/mulfactor.ll b/test/Transforms/Reassociate/mulfactor.ll
new file mode 100644 (file)
index 0000000..76db242
--- /dev/null
+++ b/test/Transforms/Reassociate/mulfactor.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | grep mul | wc -l | grep 2
+
+; This should have exactly 2 multiplies when we're done.
+
+int %f(int %a, int %b) {
+        %tmp.2 = mul int %a, %a
+        %tmp.5 = shl int %a, ubyte 1
+        %tmp.6 = mul int %tmp.5, %b
+        %tmp.10 = mul int %b, %b
+        %tmp.7 = add int %tmp.6, %tmp.2
+        %tmp.11 = add int %tmp.7, %tmp.10
+        ret int %tmp.11
+}
+