Subzero : Live Range Splitting after initial Register Allocation

src/IceTargetLowering.h

Index: src/IceTargetLowering.h
diff --git a/src/IceTargetLowering.h b/src/IceTargetLowering.h
index 43f5e01f176ba30d489544587932cb499618516e..33b8af43f67f5a5a710fb81a7f00ab27e30d8eb7 100644
--- a/src/IceTargetLowering.h
+++ b/src/IceTargetLowering.h
@@ -29,6 +29,7 @@
 #include "IceInst.h" // for the names of the Inst subtypes
 #include "IceOperand.h"
 #include "IceTypes.h"
+#include "IceRegAlloc.h"

[Jim Stichnoth, 2016/07/29 17:04:07]

sort

[manasijm, 2016/08/01 22:20:05]

Done.

 
 #include <utility>
 
@@ -290,6 +291,8 @@ public:
   virtual const SmallBitVector &getAliasesForRegister(RegNumT) const = 0;
 
   void regAlloc(RegAllocKind Kind);
+  void postRegallocSplitting(LinearScan &RegAllocator,
+                             const SmallBitVector &RegMask);
 
   virtual void
   makeRandomRegisterPermutation(llvm::SmallVectorImpl<RegNumT> &Permutation,
@@ -321,6 +324,12 @@ public:
   virtual void addProlog(CfgNode *Node) = 0;
   virtual void addEpilog(CfgNode *Node) = 0;
 
+  virtual Inst *createLoweredMove(Variable *Dest, Variable *SrcVar) {
+    (void)Dest;
+    (void)SrcVar;
+    llvm_unreachable("unimplemented createLoweredMove");
+  }
+
   virtual ~TargetLowering() = default;
 
 private: