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
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp
index 9993b63..c02770a 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
similarity index 97%
rename from include/llvm/CodeGen/SimpleRegisterCoalescing.h
rename to lib/CodeGen/SimpleRegisterCoalescing.h
index b84781b..0f0d020 100644
--- a/include/llvm/CodeGen/SimpleRegisterCoalescing.h
+++ b/lib/CodeGen/SimpleRegisterCoalescing.h
@@ -56,6 +56,10 @@
///
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) {}