ARM test cases contributed by Apple.

llvm-svn: 33354
diff --git a/llvm/test/CodeGen/ARM/str_trunc.ll b/llvm/test/CodeGen/ARM/str_trunc.ll
new file mode 100644
index 0000000..cad69c4
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/str_trunc.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm &&
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "strb"  | wc -l | grep 1 &&
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "strh"  | wc -l | grep 1
+
+void %test1(int %v, short* %ptr) {
+        %tmp = cast int %v to short
+	store short %tmp, short* %ptr
+	ret void
+}
+
+void %test2(int %v, ubyte* %ptr) {
+        %tmp = cast int %v to ubyte
+	store ubyte %tmp, ubyte* %ptr
+	ret void
+}