Add subtarget caches to aarch64, arm, ppc, and x86.

[oota-llvm.git] / lib / Target / ARM / ARMTargetMachine.h

diff --git a/lib/Target/ARM/ARMTargetMachine.h b/lib/Target/ARM/ARMTargetMachine.h
index 3a7887f5edf4be533d9841e8ce45115c282d0f85..d2eb885fb20162d203891718b8a2462410dcf758 100644 (file)
--- a/lib/Target/ARM/ARMTargetMachine.h
+++ b/lib/Target/ARM/ARMTargetMachine.h
@@ -24,6 +24,9 @@ namespace llvm {
 class ARMBaseTargetMachine : public LLVMTargetMachine {
 protected:
   ARMSubtarget        Subtarget;
+  bool isLittle;
+  mutable StringMap<std::unique_ptr<ARMSubtarget>> SubtargetMap;
+
 public:
   ARMBaseTargetMachine(const Target &T, StringRef TT,
                        StringRef CPU, StringRef FS,
@@ -33,6 +36,7 @@ public:
                        bool isLittle);
 
   const ARMSubtarget *getSubtargetImpl() const override { return &Subtarget; }
+  const ARMSubtarget *getSubtargetImpl(const Function &F) const override;
 
   /// \brief Register ARM analysis passes with a pass manager.
   void addAnalysisPasses(PassManagerBase &PM) override;