RDF: Dead code elimination

[oota-llvm.git] / lib / Target / Hexagon / HexagonTargetMachine.h

diff --git a/lib/Target/Hexagon/HexagonTargetMachine.h b/lib/Target/Hexagon/HexagonTargetMachine.h
index d917d5b89a1edf4007f7d8fd28adb8a260a5e068..968814b3ea3212b53a9a5f2e80889e8c5ebae5f3 100644 (file)
--- a/lib/Target/Hexagon/HexagonTargetMachine.h
+++ b/lib/Target/Hexagon/HexagonTargetMachine.h
@@ -16,6 +16,7 @@
 
 #include "HexagonInstrInfo.h"
 #include "HexagonSubtarget.h"
+#include "HexagonTargetObjectFile.h"
 #include "llvm/Target/TargetMachine.h"
 
 namespace llvm {
@@ -23,23 +24,26 @@ namespace llvm {
 class Module;
 
 class HexagonTargetMachine : public LLVMTargetMachine {
-  HexagonSubtarget Subtarget;
+  std::unique_ptr<TargetLoweringObjectFile> TLOF;
+  mutable StringMap<std::unique_ptr<HexagonSubtarget>> SubtargetMap;
 
 public:
-  HexagonTargetMachine(const Target &T, StringRef TT,StringRef CPU,
+  HexagonTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
                        StringRef FS, const TargetOptions &Options,
                        Reloc::Model RM, CodeModel::Model CM,
                        CodeGenOpt::Level OL);
+  ~HexagonTargetMachine() override;
+  const HexagonSubtarget *getSubtargetImpl(const Function &F) const override;
 
-  const HexagonSubtarget *getSubtargetImpl() const override {
-    return &Subtarget;
-  }
   static unsigned getModuleMatchQuality(const Module &M);
 
   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
-};
+  TargetIRAnalysis getTargetIRAnalysis() override;
 
-extern bool flag_aligned_memcpy;
+  HexagonTargetObjectFile *getObjFileLowering() const override {
+    return static_cast<HexagonTargetObjectFile*>(TLOF.get());
+  }
+};
 
 } // end namespace llvm