Move SimpleRegisterCoalescing.h to lib/CodeGen since there is now a common

register coalescer interface: RegisterCoalescing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43714 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 6 insertions, 2 deletions

diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp
index 9993b633ad..c02770a65f 100644
--- a/lib/CodeGen/SimpleRegisterCoalescing.cpp
+++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp
@@ -13,9 +13,9 @@
 //===----------------------------------------------------------------------===//
 
 #define DEBUG_TYPE "regcoalescing"
-#include "llvm/CodeGen/SimpleRegisterCoalescing.h"
-#include "llvm/CodeGen/LiveIntervalAnalysis.h"
+#include "SimpleRegisterCoalescing.h"
 #include "VirtRegMap.h"
+#include "llvm/CodeGen/LiveIntervalAnalysis.h"
 #include "llvm/Value.h"
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/CodeGen/LiveVariables.h"
diff --git a/include/llvm/CodeGen/SimpleRegisterCoalescing.h b/lib/CodeGen/SimpleRegisterCoalescing.h
index b84781b15c..0f0d020f79 100644
--- a/include/llvm/CodeGen/SimpleRegisterCoalescing.h
+++ b/lib/CodeGen/SimpleRegisterCoalescing.h
@@ -56,6 +56,10 @@ namespace llvm {
     ///
     SmallVector<std::pair<unsigned, unsigned>, 32> SubRegIdxes;
 
+    /// JoinedCopies - Keep track of copies eliminated due to coalescing.
+    ///
+    SmallPtrSet<MachineInstr*, 32> JoinedCopies;
+
   public:
     static char ID; // Pass identifcation, replacement for typeid
     SimpleRegisterCoalescing() : MachineFunctionPass((intptr_t)&ID) {}