Add addrspacecast instruction.

Patch by Michele Scandale!

llvm-svn: 194760
diff --git a/llvm/test/Feature/newcasts.ll b/llvm/test/Feature/newcasts.ll
index 4cfc8bc..dd47484 100644
--- a/llvm/test/Feature/newcasts.ll
+++ b/llvm/test/Feature/newcasts.ll
@@ -20,6 +20,9 @@
   %p = uitofp <4 x i32> %n to <4 x float>
   %q = fptosi <4 x float> %p to <4 x i32>
   %r = fptoui <4 x float> %p to <4 x i32>
+  %s = inttoptr <4 x i32> %n to <4 x i32*>
+  %t = addrspacecast <4 x i32*> %s to <4 x i32 addrspace(1)*>
+  %z = addrspacecast <4 x i32*> %s to <4 x float addrspace(2)*>
   ret void
 }