Remove redundant TargetFrameLowering::getFrameIndexOffset virtual

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

diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h
index 4412d9b3c68e34fbd6072d8294ebf8d53a7e5233..8954fc6fd6ae4aa35a912eee037c5f138e906a4d 100644 (file)
--- a/include/llvm/Target/TargetLowering.h
+++ b/include/llvm/Target/TargetLowering.h
@@ -878,6 +878,14 @@ public:
     return false;
   }
 
+  /// Return true if the target supports a memory access of this type for the
+  /// given address space and alignment. If the access is allowed, the optional
+  /// final parameter returns if the access is also fast (as defined by the
+  /// target).
+  bool allowsMemoryAccess(LLVMContext &Context, const DataLayout &DL, EVT VT,
+                          unsigned AddrSpace = 0, unsigned Alignment = 1,
+                          bool *Fast = nullptr) const;
+  
   /// Returns the target specific optimal type for load and store operations as
   /// a result of memset, memcpy, and memmove lowering.
   ///
@@ -1009,8 +1017,8 @@ public:
   int InstructionOpcodeToISD(unsigned Opcode) const;
 
   /// Estimate the cost of type-legalization and the legalized type.
-  std::pair<unsigned, MVT> getTypeLegalizationCost(const DataLayout &DL,
-                                                   Type *Ty) const;
+  std::pair<int, MVT> getTypeLegalizationCost(const DataLayout &DL,
+                                              Type *Ty) const;
 
   /// @}
 
@@ -1993,7 +2001,7 @@ protected:
   unsigned MaxStoresPerMemmove;
 
   /// Maximum number of store instructions that may be substituted for a call to
-  /// memmove, used for functions with OpSize attribute.
+  /// memmove, used for functions with OptSize attribute.
   unsigned MaxStoresPerMemmoveOptSize;
 
   /// Tells the code generator that select is more expensive than a branch if
@@ -2732,10 +2740,12 @@ public:
     return SDValue();
   }
 
-  /// Indicate whether this target prefers to combine the given number of FDIVs
-  /// with the same divisor.
-  virtual bool combineRepeatedFPDivisors(unsigned NumUsers) const {
-    return false;
+  /// Indicate whether this target prefers to combine FDIVs with the same
+  /// divisor. If the transform should never be done, return zero. If the
+  /// transform should be done, return the minimum number of divisor uses
+  /// that must exist.
+  virtual unsigned combineRepeatedFPDivisors() const {
+    return 0;
   }
 
   /// Hooks for building estimates in place of slower divisions and square
@@ -2821,6 +2831,10 @@ public:
   virtual bool useLoadStackGuardNode() const {
     return false;
   }
+
+  /// Lower TLS global address SDNode for target independent emulated TLS model.
+  virtual SDValue LowerToTLSEmulatedModel(const GlobalAddressSDNode *GA,
+                                          SelectionDAG &DAG) const;
 };
 
 /// Given an LLVM IR type and return type attributes, compute the return value