ARM test cases contributed by Apple.

llvm-svn: 33354
diff --git a/llvm/test/CodeGen/ARM/ldr_post.ll b/llvm/test/CodeGen/ARM/ldr_post.ll
new file mode 100644
index 0000000..ee0a3d2
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/ldr_post.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm &&
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "ldr.*\[.*]," | wc -l | grep 1
+
+int %test(int %a, int %b, int %c) {
+	%tmp1 = mul int %a, %b
+	%tmp2 = cast int %tmp1 to int*
+	%tmp3 = load int* %tmp2
+        %tmp4 = sub int %tmp1, %c
+	%tmp5 = mul int %tmp4, %tmp3
+	ret int %tmp5
+}