Make this testcase actually recursive. I accidentally committed the wrong copy last time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30059 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/ArgumentPromotion/recursion.ll

@@ -5,7 +5,8 @@ implementation   ; Functions:
 
 internal int %foo(int* %x) {
 entry:
-        %tmp.foo = load int* %x
+        %tmp = load int* %x
+        %tmp.foo = call int %foo(int *%x)
         ret int %tmp.foo
 }