Enable Mips16 compiler to compile a null program.
First code from the Mips16 compiler. Includes trivial test program.

Patch by Reed Kotler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157408 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Mips/null.ll b/test/CodeGen/Mips/null.ll
new file mode 100644
index 0000000..a5e2c06
--- /dev/null
+++ b/test/CodeGen/Mips/null.ll
@@ -0,0 +1,10 @@
+; RUN: llc  -march=mipsel -mcpu=mips16 < %s | FileCheck %s -check-prefix=16
+
+
+define i32 @main() nounwind {
+entry:
+  ret i32 0
+
+; 16:	jr	$ra
+
+}