Code clean up. Move includes from VirtRegRewriter.h to VirtRegRewriter.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100532 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/VirtRegRewriter.cpp b/lib/CodeGen/VirtRegRewriter.cpp
index 0b7fde7..58158dd 100644
--- a/lib/CodeGen/VirtRegRewriter.cpp
+++ b/lib/CodeGen/VirtRegRewriter.cpp
@@ -9,7 +9,9 @@
 
 #define DEBUG_TYPE "virtregrewriter"
 #include "VirtRegRewriter.h"
+#include "VirtRegMap.h"
 #include "llvm/Function.h"
+#include "llvm/CodeGen/LiveIntervalAnalysis.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"