Move DataLayout back to the TargetMachine from TargetSubtargetInfo

[oota-llvm.git] / include / llvm / Target / TargetMachine.h

diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h
index d4b93da19be70568cb2415fbed362a822ec483fa..2d69493a0dd2c6673cfd338186337dacf132cf33 100644 (file)
--- a/include/llvm/Target/TargetMachine.h
+++ b/include/llvm/Target/TargetMachine.h
@@ -44,6 +44,7 @@ class ScalarTargetTransformInfo;
 class VectorTargetTransformInfo;
 class formatted_raw_ostream;
 class raw_ostream;
+class TargetLoweringObjectFile;
 
 // The old pass manager infrastructure is hidden in a legacy namespace now.
 namespace legacy {
@@ -90,15 +91,21 @@ public:
 
   const Target &getTarget() const { return TheTarget; }
 
-  const StringRef getTargetTriple() const { return TargetTriple; }
-  const StringRef getTargetCPU() const { return TargetCPU; }
-  const StringRef getTargetFeatureString() const { return TargetFS; }
+  StringRef getTargetTriple() const { return TargetTriple; }
+  StringRef getTargetCPU() const { return TargetCPU; }
+  StringRef getTargetFeatureString() const { return TargetFS; }
 
   /// getSubtargetImpl - virtual method implemented by subclasses that returns
   /// a reference to that target's TargetSubtargetInfo-derived member variable.
   virtual const TargetSubtargetInfo *getSubtargetImpl() const {
     return nullptr;
   }
+  virtual const TargetSubtargetInfo *getSubtargetImpl(const Function &) const {
+    return getSubtargetImpl();
+  }
+  virtual TargetLoweringObjectFile *getObjFileLowering() const {
+    return nullptr;
+  }
 
   /// getSubtarget - This method returns a pointer to the specified type of
   /// TargetSubtargetInfo.  In debug builds, it verifies that the object being
@@ -106,9 +113,20 @@ public:
   template<typename STC> const STC &getSubtarget() const {
     return *static_cast<const STC*>(getSubtargetImpl());
   }
+  template <typename STC> const STC &getSubtarget(const Function *) const {
+    return *static_cast<const STC*>(getSubtargetImpl());
+  }
+
+  /// getDataLayout - This method returns a pointer to the DataLayout for
+  /// the target. It should be unchanging for every subtarget.
+  virtual const DataLayout *getDataLayout() const {
+    return nullptr;
+  }
 
   /// \brief Reset the target options based on the function's attributes.
-  void resetTargetOptions(const MachineFunction *MF) const;
+  // FIXME: Remove TargetOptions that affect per-function code generation
+  // from TargetMachine.
+  void resetTargetOptions(const Function &F) const;
 
   /// getMCAsmInfo - Return target specific asm information.
   ///