- 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
diff --git a/test/ExecutionEngine/MCJIT/fpbitcast.ll b/test/ExecutionEngine/MCJIT/fpbitcast.ll
new file mode 100644
index 0000000..9da908f
--- /dev/null
+++ b/test/ExecutionEngine/MCJIT/fpbitcast.ll
@@ -0,0 +1,20 @@
+; RUN: %lli -use-mcjit -force-interpreter=true %s | grep 40091eb8
+;
+define i32 @test(double %x) {
+entry:
+	%x46.i = bitcast double %x to i64	
+	%tmp343.i = lshr i64 %x46.i, 32	
+	%tmp344.i = trunc i64 %tmp343.i to i32
+        ret i32 %tmp344.i
+}
+
+define i32 @main()
+{
+       %res = call i32 @test(double 3.14)
+       %ptr = getelementptr [4 x i8]* @format, i32 0, i32 0
+       call i32 (i8*,...)* @printf(i8* %ptr, i32 %res)
+       ret i32 0
+}
+
+declare i32 @printf(i8*, ...)
+@format = internal constant [4 x i8] c"%x\0A\00"