[ArgPromote] Actually add FileCheck to a test that I actually updated to have nice CHECK patterns instead of relying on a coarse 'not grep' check. Sorry that I missed this the first time through.
[ArgPromote] Actually add FileCheck to a test that I actually updated to
have nice CHECK patterns instead of relying on a coarse 'not grep'
check. Sorry that I missed this the first time through.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@294422 91177308-0d34-0410-b5e6-96231b3b80d8

GPUOpen-Drivers/llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm,apple/swift-llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm