1 files changed, 98 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetTransformImpl.h b/include/llvm/Target/TargetTransformImpl.h
new file mode 100644
index 0000000..7ea2396
--- /dev/null
+++ b/include/llvm/Target/TargetTransformImpl.h
@@ -0,0 +1,98 @@
+//=- llvm/Target/TargetTransformImpl.h - Target Loop Trans Info----*- C++ -*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the target-specific implementations of the
+// TargetTransform interfaces.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TARGET_TARGET_TRANSFORMATION_IMPL_H
+#define LLVM_TARGET_TARGET_TRANSFORMATION_IMPL_H
+
+#include "llvm/TargetTransformInfo.h"
+#include "llvm/CodeGen/ValueTypes.h"
+
+namespace llvm {
+
+class TargetLowering;
+
+/// ScalarTargetTransformInfo - This is a default implementation for the
+/// ScalarTargetTransformInfo interface. Different targets can implement
+/// this interface differently.
+class ScalarTargetTransformImpl : public ScalarTargetTransformInfo {
+private:
+  const TargetLowering *TLI;
+
+public:
+  /// Ctor
+  explicit ScalarTargetTransformImpl(const TargetLowering *TL) : TLI(TL) {}
+
+  virtual bool isLegalAddImmediate(int64_t imm) const;
+
+  virtual bool isLegalICmpImmediate(int64_t imm) const;
+
+  virtual bool isLegalAddressingMode(const AddrMode &AM, Type *Ty) const;
+
+  virtual bool isTruncateFree(Type *Ty1, Type *Ty2) const;
+
+  virtual bool isTypeLegal(Type *Ty) const;
+
+  virtual unsigned getJumpBufAlignment() const;
+
+  virtual unsigned getJumpBufSize() const;
+
+  virtual bool shouldBuildLookupTables() const;
+};
+
+class VectorTargetTransformImpl : public VectorTargetTransformInfo {
+protected:
+  const TargetLowering *TLI;
+
+  /// Estimate the cost of type-legalization and the legalized type.
+  std::pair<unsigned, MVT> getTypeLegalizationCost(Type *Ty) const;
+
+  /// Estimate the overhead of scalarizing an instruction. Insert and Extract
+  /// are set if the result needs to be inserted and/or extracted from vectors.
+  unsigned getScalarizationOverhead(Type *Ty, bool Insert, bool Extract) const;
+
+  // Get the ISD node that corresponds to the Instruction class opcode.
+  int InstructionOpcodeToISD(unsigned Opcode) const;
+
+public:
+  explicit VectorTargetTransformImpl(const TargetLowering *TL) : TLI(TL) {}
+
+  virtual ~VectorTargetTransformImpl() {}
+
+  virtual unsigned getInstrCost(unsigned Opcode, Type *Ty1, Type *Ty2) const;
+
+  virtual unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty) const;
+
+  virtual unsigned getBroadcastCost(Type *Tp) const;
+
+  virtual unsigned getCastInstrCost(unsigned Opcode, Type *Dst,
+                                    Type *Src) const;
+
+  virtual unsigned getCFInstrCost(unsigned Opcode) const;
+
+  virtual unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
+                                      Type *CondTy) const;
+
+  virtual unsigned getVectorInstrCost(unsigned Opcode, Type *Val,
+                                      unsigned Index) const;
+
+  virtual unsigned getMemoryOpCost(unsigned Opcode, Type *Src,
+                                   unsigned Alignment,
+                                   unsigned AddressSpace) const;
+
+  virtual unsigned getNumberOfParts(Type *Tp) const;
+};
+
+} // end llvm namespace
+
+#endif