[PATCH] Added Missing Check Statements for "apint-select.ll" file.

[suyog]

There is already CHECK-NOT present which checks if select is eliminated or not.
The objective of this test case was to check if select is eliminated.

I would suggest to refer following link for FileCheck :

http://llvm.org/docs/CommandGuide/FileCheck.html

http://reviews.llvm.org/D6429