Simplify. NFC.
Simplify. NFC.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@318104 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit 8658d31e24983e1b81b0de4c5ee019c57cbc3207)

apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm