ARM test cases contributed by Apple.

llvm-svn: 33354
diff --git a/llvm/test/CodeGen/ARM/mulhi.ll b/llvm/test/CodeGen/ARM/mulhi.ll
new file mode 100644
index 0000000..2e8a65f
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/mulhi.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm &&
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm -mattr=+v6 &&
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm -mattr=+v6 | grep smmul | wc -l | grep 1 &&
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep umull | wc -l | grep 1
+
+int %smulhi(int %x, int %y) {
+        %tmp = cast int %x to ulong             ; <ulong> [#uses=1]
+        %tmp1 = cast int %y to ulong            ; <ulong> [#uses=1]
+        %tmp2 = mul ulong %tmp1, %tmp           ; <ulong> [#uses=1]
+        %tmp3 = shr ulong %tmp2, ubyte 32               ; <ulong> [#uses=1]
+        %tmp3 = cast ulong %tmp3 to int         ; <int> [#uses=1]
+        ret int %tmp3
+}
+
+int %umulhi(uint %x, uint %y) {
+        %tmp = cast uint %x to ulong            ; <ulong> [#uses=1]
+        %tmp1 = cast uint %y to ulong           ; <ulong> [#uses=1]
+        %tmp2 = mul ulong %tmp1, %tmp           ; <ulong> [#uses=1]
+        %tmp3 = shr ulong %tmp2, ubyte 32               ; <ulong> [#uses=1]
+        %tmp3 = cast ulong %tmp3 to int         ; <int> [#uses=1]
+        ret int %tmp3
+}
+