- Added ExecutionEngine/MCJIT tests

- Added HOST_ARCH to Makefile.config.in
The HOST_ARCH will be used by MCJIT tests filter, because MCJIT supported only x86 and ARM architectures now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157015 91177308-0d34-0410-b5e6-96231b3b80d8

test/ExecutionEngine/MCJIT/hello2.ll

@@ -0,0 +1,17 @@
+; RUN: %lli -use-mcjit %s > /dev/null
+
+@X = global i32 7		; <i32*> [#uses=0]
+@msg = internal global [13 x i8] c"Hello World\0A\00"		; <[13 x i8]*> [#uses=1]
+
+declare void @printf([13 x i8]*, ...)
+
+define void @bar() {
+	call void ([13 x i8]*, ...)* @printf( [13 x i8]* @msg )
+	ret void
+}
+
+define i32 @main() {
+	call void @bar( )
+	ret i32 0
+}
+