From 93dcdc47db64b1674996d555786230873c83bdde Mon Sep 17 00:00:00 2001
From: Chandler Carruth <chandlerc@gmail.com>
Date: Sat, 31 Jan 2015 11:17:59 +0000
Subject: [PM] Switch the TargetMachine interface from accepting a pass manager
 base which it adds a single analysis pass to, to instead return the type
 erased TargetTransformInfo object constructed for that TargetMachine.

This removes all of the pass variants for TTI. There is now a single TTI
*pass* in the Analysis layer. All of the Analysis <-> Target
communication is through the TTI's type erased interface itself. While
the diff is large here, it is nothing more that code motion to make
types available in a header file for use in a different source file
within each target.

I've tried to keep all the doxygen comments and file boilerplate in line
with this move, but let me know if I missed anything.

With this in place, the next step to making TTI work with the new pass
manager is to introduce a really simple new-style analysis that produces
a TTI object via a callback into this routine on the target machine.
Once we have that, we'll have the building blocks necessary to accept
a function argument as well.

llvm-svn: 227685
---
 llvm/lib/Target/X86/X86TargetTransformInfo.cpp | 92 +-------------------------
 1 file changed, 1 insertion(+), 91 deletions(-)

(limited to 'llvm/lib/Target/X86/X86TargetTransformInfo.cpp')

diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
index d792f930fc4..5136619235b 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -14,8 +14,7 @@
 ///
 //===----------------------------------------------------------------------===//
 
-#include "X86.h"
-#include "X86TargetMachine.h"
+#include "X86TargetTransformInfo.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/CodeGen/BasicTTIImpl.h"
 #include "llvm/IR/IntrinsicInst.h"
@@ -26,95 +25,6 @@ using namespace llvm;
 
 #define DEBUG_TYPE "x86tti"
 
-namespace {
-
-class X86TTIImpl : public BasicTTIImplBase<X86TTIImpl> {
-  typedef BasicTTIImplBase<X86TTIImpl> BaseT;
-  typedef TargetTransformInfo TTI;
-
-  const X86Subtarget *ST;
-  const X86TargetLowering *TLI;
-
-  unsigned getScalarizationOverhead(Type *Ty, bool Insert, bool Extract);
-
-public:
-  explicit X86TTIImpl(const X86TargetMachine *TM = nullptr)
-      : BaseT(TM), ST(TM ? TM->getSubtargetImpl() : nullptr),
-        TLI(ST ? ST->getTargetLowering() : nullptr) {}
-
-  // Provide value semantics. MSVC requires that we spell all of these out.
-  X86TTIImpl(const X86TTIImpl &Arg)
-      : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
-  X86TTIImpl(X86TTIImpl &&Arg)
-      : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
-        TLI(std::move(Arg.TLI)) {}
-  X86TTIImpl &operator=(const X86TTIImpl &RHS) {
-    BaseT::operator=(static_cast<const BaseT &>(RHS));
-    ST = RHS.ST;
-    TLI = RHS.TLI;
-    return *this;
-  }
-  X86TTIImpl &operator=(X86TTIImpl &&RHS) {
-    BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
-    ST = std::move(RHS.ST);
-    TLI = std::move(RHS.TLI);
-    return *this;
-  }
-
-  /// \name Scalar TTI Implementations
-  /// @{
-  TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth);
-
-  /// @}
-
-  /// \name Vector TTI Implementations
-  /// @{
-
-  unsigned getNumberOfRegisters(bool Vector);
-  unsigned getRegisterBitWidth(bool Vector);
-  unsigned getMaxInterleaveFactor();
-  unsigned getArithmeticInstrCost(
-      unsigned Opcode, Type *Ty,
-      TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue,
-      TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue,
-      TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None,
-      TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None);
-  unsigned getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index,
-                          Type *SubTp);
-  unsigned getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src);
-  unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy);
-  unsigned getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index);
-  unsigned getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
-                           unsigned AddressSpace);
-  unsigned getMaskedMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
-                                 unsigned AddressSpace);
-
-  unsigned getAddressComputationCost(Type *PtrTy, bool IsComplex);
-
-  unsigned getReductionCost(unsigned Opcode, Type *Ty, bool IsPairwiseForm);
-
-  unsigned getIntImmCost(int64_t);
-
-  unsigned getIntImmCost(const APInt &Imm, Type *Ty);
-
-  unsigned getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm,
-                         Type *Ty);
-  unsigned getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm,
-                         Type *Ty);
-  bool isLegalMaskedLoad(Type *DataType, int Consecutive);
-  bool isLegalMaskedStore(Type *DataType, int Consecutive);
-
-  /// @}
-};
-
-} // end anonymous namespace
-
-ImmutablePass *
-llvm::createX86TargetTransformInfoPass(const X86TargetMachine *TM) {
-  return new TargetTransformInfoWrapperPass(X86TTIImpl(TM));
-}
-
-
 //===----------------------------------------------------------------------===//
 //
 // X86 cost model.
-- 
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