New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12761 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/InstCombine/getelementptr_index.ll

@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep cast
+
+target endian = little
+target pointersize = 32
+
+int* %test(int* %X, long %Idx) {
+	; Should insert a cast to int on this target
+	%R = getelementptr int* %X, long %Idx
+	ret int* %R
+}