new testcase from a FIXME in the code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26756 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 16 insertions, 2 deletions

diff --git a/test/Transforms/Reassociate/mul-factor3.ll b/test/Transforms/Reassociate/mul-factor3.ll
new file mode 100644
index 0000000000..773569e3df
--- /dev/null
+++ b/test/Transforms/Reassociate/mul-factor3.ll
@@ -0,0 +1,14 @@
+; This should be one add and two multiplies.
+
+; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | grep mul | wc -l | grep 2 &&
+; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | grep add | wc -l | grep 1
+
+int %test(int %A, int %B, int %C) {
+	%aa = mul int %A, %A
+	%aab = mul int %aa, %B
+
+	%ac = mul int %A, %C
+	%aac = mul int %ac, %A
+	%r = add int %aab, %aac
+	ret int %r
+}
diff --git a/test/Transforms/Reassociate/mulfactor2.ll b/test/Transforms/Reassociate/mulfactor2.ll
index e2c1a79bc5..20a28a45a0 100644
--- a/test/Transforms/Reassociate/mulfactor2.ll
+++ b/test/Transforms/Reassociate/mulfactor2.ll
@@ -1,7 +1,7 @@
 ; This should turn into one multiply and one add.
 
-; RUN: llvm-as < mulfactor2.ll | opt -instcombine -reassociate -instcombine | llvm-dis | grep mul | wc -l | grep 1 &&
-; RUN: llvm-as < mulfactor2.ll | opt -instcombine -reassociate -instcombine | llvm-dis | grep add | wc -l | grep 1
+; RUN: llvm-as < %s | opt -instcombine -reassociate -instcombine | llvm-dis | grep mul | wc -l | grep 1 &&
+; RUN: llvm-as < %s | opt -instcombine -reassociate -instcombine | llvm-dis | grep add | wc -l | grep 1
 int %main(int %t) {
         %tmp.3 = mul int %t, 12         ; <int> [#uses=1]
         %tmp.4 = add int %tmp.3, 5              ; <int> [#uses=1]