Rename BuildShuffleTable -> PerfectShuffle


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27738 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/PerfectShuffle/PerfectShuffle.cpp b/utils/PerfectShuffle/PerfectShuffle.cpp
index 1c234e4..5fce2a5 100644
--- a/utils/PerfectShuffle/PerfectShuffle.cpp
+++ b/utils/PerfectShuffle/PerfectShuffle.cpp
@@ -1,4 +1,4 @@
-//===-- BuildShuffleTable.cpp - Perfect Shuffle Generator -----------------===//
+//===-- PerfectShuffle.cpp - Perfect Shuffle Generator --------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //