Reapply the TargerTransformInfo changes, minus the changes to LSR and Lowerinvoke.

llvm-svn: 166248

llvm/include/llvm/CodeGen/CommandFlags.h

@@ -0,0 +1,228 @@
+//===-- CommandFlags.h - Register Coalescing Interface ----------*- 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 codegen-specific flags that are shared between different
+// command line tools. The tools "llc" and "opt" both use this file to prevent
+// flag duplication.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_COMMAND_LINE_FLAGS_H
+#define LLVM_CODEGEN_COMMAND_LINE_FLAGS_H
+
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/CodeGen.h"
+#include "llvm/Target/TargetMachine.h"
+
+#include <string>
+using namespace llvm;
+
+cl::opt<std::string>
+MArch("march", cl::desc("Architecture to generate code for (see --version)"));
+
+cl::opt<std::string>
+MCPU("mcpu",
+     cl::desc("Target a specific cpu type (-mcpu=help for details)"),
+     cl::value_desc("cpu-name"),
+     cl::init(""));
+
+cl::list<std::string>
+MAttrs("mattr",
+       cl::CommaSeparated,
+       cl::desc("Target specific attributes (-mattr=help for details)"),
+       cl::value_desc("a1,+a2,-a3,..."));
+
+cl::opt<Reloc::Model>
+RelocModel("relocation-model",
+           cl::desc("Choose relocation model"),
+           cl::init(Reloc::Default),
+           cl::values(
+              clEnumValN(Reloc::Default, "default",
+                      "Target default relocation model"),
+              clEnumValN(Reloc::Static, "static",
+                      "Non-relocatable code"),
+              clEnumValN(Reloc::PIC_, "pic",
+                      "Fully relocatable, position independent code"),
+              clEnumValN(Reloc::DynamicNoPIC, "dynamic-no-pic",
+                      "Relocatable external references, non-relocatable code"),
+              clEnumValEnd));
+
+cl::opt<llvm::CodeModel::Model>
+CMModel("code-model",
+        cl::desc("Choose code model"),
+        cl::init(CodeModel::Default),
+        cl::values(clEnumValN(CodeModel::Default, "default",
+                              "Target default code model"),
+                   clEnumValN(CodeModel::Small, "small",
+                              "Small code model"),
+                   clEnumValN(CodeModel::Kernel, "kernel",
+                              "Kernel code model"),
+                   clEnumValN(CodeModel::Medium, "medium",
+                              "Medium code model"),
+                   clEnumValN(CodeModel::Large, "large",
+                              "Large code model"),
+                   clEnumValEnd));
+
+cl::opt<bool>
+RelaxAll("mc-relax-all",
+         cl::desc("When used with filetype=obj, "
+                  "relax all fixups in the emitted object file"));
+
+cl::opt<TargetMachine::CodeGenFileType>
+FileType("filetype", cl::init(TargetMachine::CGFT_AssemblyFile),
+  cl::desc("Choose a file type (not all types are supported by all targets):"),
+  cl::values(
+             clEnumValN(TargetMachine::CGFT_AssemblyFile, "asm",
+                        "Emit an assembly ('.s') file"),
+             clEnumValN(TargetMachine::CGFT_ObjectFile, "obj",
+                        "Emit a native object ('.o') file"),
+             clEnumValN(TargetMachine::CGFT_Null, "null",
+                        "Emit nothing, for performance testing"),
+             clEnumValEnd));
+
+cl::opt<bool> DisableDotLoc("disable-dot-loc", cl::Hidden,
+                            cl::desc("Do not use .loc entries"));
+
+cl::opt<bool> DisableCFI("disable-cfi", cl::Hidden,
+                         cl::desc("Do not use .cfi_* directives"));
+
+cl::opt<bool> EnableDwarfDirectory("enable-dwarf-directory", cl::Hidden,
+                  cl::desc("Use .file directives with an explicit directory."));
+
+cl::opt<bool>
+DisableRedZone("disable-red-zone",
+               cl::desc("Do not emit code that uses the red zone."),
+               cl::init(false));
+
+cl::opt<bool>
+EnableFPMAD("enable-fp-mad",
+            cl::desc("Enable less precise MAD instructions to be generated"),
+            cl::init(false));
+
+cl::opt<bool>
+DisableFPElim("disable-fp-elim",
+              cl::desc("Disable frame pointer elimination optimization"),
+              cl::init(false));
+
+cl::opt<bool>
+DisableFPElimNonLeaf("disable-non-leaf-fp-elim",
+  cl::desc("Disable frame pointer elimination optimization for non-leaf funcs"),
+  cl::init(false));
+
+cl::opt<bool>
+EnableUnsafeFPMath("enable-unsafe-fp-math",
+                cl::desc("Enable optimizations that may decrease FP precision"),
+                cl::init(false));
+
+cl::opt<bool>
+EnableNoInfsFPMath("enable-no-infs-fp-math",
+                cl::desc("Enable FP math optimizations that assume no +-Infs"),
+                cl::init(false));
+
+cl::opt<bool>
+EnableNoNaNsFPMath("enable-no-nans-fp-math",
+                   cl::desc("Enable FP math optimizations that assume no NaNs"),
+                   cl::init(false));
+
+cl::opt<bool>
+EnableHonorSignDependentRoundingFPMath("enable-sign-dependent-rounding-fp-math",
+      cl::Hidden,
+      cl::desc("Force codegen to assume rounding mode can change dynamically"),
+      cl::init(false));
+
+cl::opt<bool>
+GenerateSoftFloatCalls("soft-float",
+                    cl::desc("Generate software floating point library calls"),
+                    cl::init(false));
+
+cl::opt<llvm::FloatABI::ABIType>
+FloatABIForCalls("float-abi",
+                 cl::desc("Choose float ABI type"),
+                 cl::init(FloatABI::Default),
+                 cl::values(
+                     clEnumValN(FloatABI::Default, "default",
+                                "Target default float ABI type"),
+                     clEnumValN(FloatABI::Soft, "soft",
+                                "Soft float ABI (implied by -soft-float)"),
+                     clEnumValN(FloatABI::Hard, "hard",
+                                "Hard float ABI (uses FP registers)"),
+                     clEnumValEnd));
+
+cl::opt<llvm::FPOpFusion::FPOpFusionMode>
+FuseFPOps("fp-contract",
+          cl::desc("Enable aggresive formation of fused FP ops"),
+          cl::init(FPOpFusion::Standard),
+          cl::values(
+              clEnumValN(FPOpFusion::Fast, "fast",
+                         "Fuse FP ops whenever profitable"),
+              clEnumValN(FPOpFusion::Standard, "on",
+                         "Only fuse 'blessed' FP ops."),
+              clEnumValN(FPOpFusion::Strict, "off",
+                         "Only fuse FP ops when the result won't be effected."),
+              clEnumValEnd));
+
+cl::opt<bool>
+DontPlaceZerosInBSS("nozero-initialized-in-bss",
+              cl::desc("Don't place zero-initialized symbols into bss section"),
+              cl::init(false));
+
+cl::opt<bool>
+EnableGuaranteedTailCallOpt("tailcallopt",
+  cl::desc("Turn fastcc calls into tail calls by (potentially) changing ABI."),
+  cl::init(false));
+
+cl::opt<bool>
+DisableTailCalls("disable-tail-calls",
+                 cl::desc("Never emit tail calls"),
+                 cl::init(false));
+
+cl::opt<unsigned>
+OverrideStackAlignment("stack-alignment",
+                       cl::desc("Override default stack alignment"),
+                       cl::init(0));
+
+cl::opt<bool>
+EnableRealignStack("realign-stack",
+                   cl::desc("Realign stack if needed"),
+                   cl::init(true));
+
+cl::opt<std::string>
+TrapFuncName("trap-func", cl::Hidden,
+        cl::desc("Emit a call to trap function rather than a trap instruction"),
+        cl::init(""));
+
+cl::opt<bool>
+EnablePIE("enable-pie",
+          cl::desc("Assume the creation of a position independent executable."),
+          cl::init(false));
+
+cl::opt<bool>
+SegmentedStacks("segmented-stacks",
+                cl::desc("Use segmented stacks if possible."),
+                cl::init(false));
+
+cl::opt<bool>
+UseInitArray("use-init-array",
+             cl::desc("Use .init_array instead of .ctors."),
+             cl::init(false));
+
+cl::opt<std::string> StopAfter("stop-after",
+                            cl::desc("Stop compilation after a specific pass"),
+                            cl::value_desc("pass-name"),
+                                      cl::init(""));
+cl::opt<std::string> StartAfter("start-after",
+                          cl::desc("Resume compilation after a specific pass"),
+                          cl::value_desc("pass-name"),
+                          cl::init(""));
+
+cl::opt<unsigned>
+SSPBufferSize("stack-protector-buffer-size", cl::init(8),
+              cl::desc("Lower bound for a buffer to be considered for "
+                       "stack protection"));
+#endif

llvm/include/llvm/InitializePasses.h

@@ -249,6 +249,7 @@ void initializeTailCallElimPass(PassRegistry&);
 void initializeTailDuplicatePassPass(PassRegistry&);
 void initializeTargetPassConfigPass(PassRegistry&);
 void initializeDataLayoutPass(PassRegistry&);
+void initializeTargetTransformInfoPass(PassRegistry&);
 void initializeTargetLibraryInfoPass(PassRegistry&);
 void initializeTwoAddressInstructionPassPass(PassRegistry&);
 void initializeTypeBasedAliasAnalysisPass(PassRegistry&);

llvm/include/llvm/Target/TargetMachine.h

@@ -17,6 +17,8 @@
 #include "llvm/Pass.h"
 #include "llvm/Support/CodeGen.h"
 #include "llvm/Target/TargetOptions.h"
+#include "llvm/TargetTransformInfo.h"
+#include "llvm/Target/TargetTransformImpl.h"
 #include "llvm/ADT/StringRef.h"
 #include <cassert>
 #include <string>
@@ -107,6 +109,10 @@ public:
   virtual const TargetLowering    *getTargetLowering() const { return 0; }
   virtual const TargetSelectionDAGInfo *getSelectionDAGInfo() const{ return 0; }
   virtual const DataLayout             *getDataLayout() const { return 0; }
+  virtual const ScalarTargetTransformInfo*
+  getScalarTargetTransformInfo() const { return 0; }
+  virtual const VectorTargetTransformInfo*
+  getVectorTargetTransformInfo() const { return 0; }
 
   /// getMCAsmInfo - Return target specific asm information.
   ///

llvm/include/llvm/Target/TargetTransformImpl.h

@@ -0,0 +1,54 @@
+//=- 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"
+
+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;
+};
+
+class VectorTargetTransformImpl : public VectorTargetTransformInfo { };
+
+} // end llvm namespace
+
+#endif

llvm/include/llvm/TargetTransformInfo.h

@@ -0,0 +1,128 @@
+//===- llvm/Transforms/TargetTransformInfo.h --------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This pass exposes codegen information to IR-level passes. Every
+// transformation that uses codegen information is broken into three parts:
+// 1. The IR-level analysis pass.
+// 2. The IR-level transformation interface which provides the needed
+//    information.
+// 3. Codegen-level implementation which uses target-specific hooks.
+//
+// This file defines #2, which is the interface that IR-level transformations
+// use for querying the codegen.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_TARGET_TRANSFORM_INTERFACE
+#define LLVM_TRANSFORMS_TARGET_TRANSFORM_INTERFACE
+
+#include "llvm/Pass.h"
+#include "llvm/AddressingMode.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Type.h"
+
+namespace llvm {
+
+class ScalarTargetTransformInfo;
+class VectorTargetTransformInfo;
+
+/// TargetTransformInfo - This pass provides access to the codegen
+/// interfaces that are needed for IR-level transformations.
+class TargetTransformInfo : public ImmutablePass {
+private:
+  const ScalarTargetTransformInfo *STTI;
+  const VectorTargetTransformInfo *VTTI;
+public:
+  /// Default ctor.
+  ///
+  /// @note This has to exist, because this is a pass, but it should never be
+  /// used.
+  TargetTransformInfo();
+
+  explicit TargetTransformInfo(const ScalarTargetTransformInfo* S,
+                               const VectorTargetTransformInfo *V)
+    : ImmutablePass(ID), STTI(S), VTTI(V) {
+      initializeTargetTransformInfoPass(*PassRegistry::getPassRegistry());
+    }
+
+  TargetTransformInfo(const TargetTransformInfo &T) :
+    ImmutablePass(ID), STTI(T.STTI), VTTI(T.VTTI) { }
+
+  const ScalarTargetTransformInfo* getScalarTargetTransformInfo() {
+    return STTI;
+  }
+  const VectorTargetTransformInfo* getVectorTargetTransformInfo() {
+    return VTTI;
+  }
+
+  /// Pass identification, replacement for typeid.
+  static char ID;
+};
+
+// ---------------------------------------------------------------------------//
+//  The classes below are inherited and implemented by target-specific classes
+//  in the codegen.
+// ---------------------------------------------------------------------------//
+
+/// ScalarTargetTransformInfo - This interface is used by IR-level passes
+/// that need target-dependent information for generic scalar transformations.
+/// LSR, and LowerInvoke use this interface.
+class ScalarTargetTransformInfo {
+public:
+  virtual ~ScalarTargetTransformInfo() {}
+
+  /// isLegalAddImmediate - Return true if the specified immediate is legal
+  /// add immediate, that is the target has add instructions which can add
+  /// a register with the immediate without having to materialize the
+  /// immediate into a register.
+  virtual bool isLegalAddImmediate(int64_t) const {
+    return false;
+  }
+  /// isLegalICmpImmediate - Return true if the specified immediate is legal
+  /// icmp immediate, that is the target has icmp instructions which can compare
+  /// a register against the immediate without having to materialize the
+  /// immediate into a register.
+  virtual bool isLegalICmpImmediate(int64_t) const {
+    return false;
+  }
+  /// isLegalAddressingMode - Return true if the addressing mode represented by
+  /// AM is legal for this target, for a load/store of the specified type.
+  /// The type may be VoidTy, in which case only return true if the addressing
+  /// mode is legal for a load/store of any legal type.
+  /// TODO: Handle pre/postinc as well.
+  virtual bool isLegalAddressingMode(const AddrMode &AM, Type *Ty) const {
+    return false;
+  }
+  /// isTruncateFree - Return true if it's free to truncate a value of
+  /// type Ty1 to type Ty2. e.g. On x86 it's free to truncate a i32 value in
+  /// register EAX to i16 by referencing its sub-register AX.
+  virtual bool isTruncateFree(Type * /*Ty1*/, Type * /*Ty2*/) const {
+    return false;
+  }
+  /// Is this type legal.
+  virtual bool isTypeLegal(Type *Ty) const {
+    return false;
+  }
+  /// getJumpBufAlignment - returns the target's jmp_buf alignment in bytes
+  virtual unsigned getJumpBufAlignment() const {
+    return 0;
+  }
+  /// getJumpBufSize - returns the target's jmp_buf size in bytes.
+  virtual unsigned getJumpBufSize() const {
+    return 0;
+  }
+};
+
+class VectorTargetTransformInfo {
+  // TODO: define an interface for VectorTargetTransformInfo.
+};
+
+} // End llvm namespace
+
+#endif

llvm/lib/Target/ARM/ARMTargetMachine.cpp

@@ -71,7 +71,8 @@ ARMTargetMachine::ARMTargetMachine(const Target &T, StringRef TT,
     ELFWriterInfo(*this),
     TLInfo(*this),
     TSInfo(*this),
-    FrameLowering(Subtarget) {
+    FrameLowering(Subtarget),
+    STTI(&TLInfo) {
   if (!Subtarget.hasARMOps())
     report_fatal_error("CPU: '" + Subtarget.getCPUString() + "' does not "
                        "support ARM mode execution!");
@@ -104,7 +105,8 @@ ThumbTargetMachine::ThumbTargetMachine(const Target &T, StringRef TT,
     TSInfo(*this),
     FrameLowering(Subtarget.hasThumb2()
               ? new ARMFrameLowering(Subtarget)
-              : (ARMFrameLowering*)new Thumb1FrameLowering(Subtarget)) {
+              : (ARMFrameLowering*)new Thumb1FrameLowering(Subtarget)),
+    STTI(&TLInfo){
 }
 
 namespace {

llvm/lib/Target/ARM/ARMTargetMachine.h

@@ -25,6 +25,7 @@
 #include "Thumb1FrameLowering.h"
 #include "Thumb2InstrInfo.h"
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetTransformImpl.h"
 #include "llvm/DataLayout.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/ADT/OwningPtr.h"
@@ -67,6 +68,8 @@ class ARMTargetMachine : public ARMBaseTargetMachine {
   ARMTargetLowering   TLInfo;
   ARMSelectionDAGInfo TSInfo;
   ARMFrameLowering    FrameLowering;
+  ScalarTargetTransformImpl STTI;
+  VectorTargetTransformImpl VTTI;
  public:
   ARMTargetMachine(const Target &T, StringRef TT,
                    StringRef CPU, StringRef FS,
@@ -88,7 +91,12 @@ class ARMTargetMachine : public ARMBaseTargetMachine {
   virtual const ARMFrameLowering *getFrameLowering() const {
     return &FrameLowering;
   }
-
+  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
+    return &STTI;
+  }
+  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
+    return &VTTI;
+  }
   virtual const ARMInstrInfo     *getInstrInfo() const { return &InstrInfo; }
   virtual const DataLayout       *getDataLayout() const { return &DL; }
   virtual const ARMELFWriterInfo *getELFWriterInfo() const {
@@ -110,6 +118,8 @@ class ThumbTargetMachine : public ARMBaseTargetMachine {
   ARMSelectionDAGInfo TSInfo;
   // Either Thumb1FrameLowering or ARMFrameLowering.
   OwningPtr<ARMFrameLowering> FrameLowering;
+  ScalarTargetTransformImpl STTI;
+  VectorTargetTransformImpl VTTI;
 public:
   ThumbTargetMachine(const Target &T, StringRef TT,
                      StringRef CPU, StringRef FS,
@@ -138,6 +148,12 @@ public:
   virtual const ARMFrameLowering *getFrameLowering() const {
     return FrameLowering.get();
   }
+  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
+    return &STTI;
+  }
+  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
+    return &VTTI;
+  }
   virtual const DataLayout       *getDataLayout() const { return &DL; }
   virtual const ARMELFWriterInfo *getELFWriterInfo() const {
     return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;

llvm/lib/Target/CMakeLists.txt

@@ -11,6 +11,7 @@ add_llvm_library(LLVMTarget
   TargetMachineC.cpp
   TargetRegisterInfo.cpp
   TargetSubtargetInfo.cpp
+  TargetTransformImpl.cpp
   )
 
 foreach(t ${LLVM_TARGETS_TO_BUILD})

llvm/lib/Target/CellSPU/SPUTargetMachine.cpp

@@ -43,7 +43,8 @@ SPUTargetMachine::SPUTargetMachine(const Target &T, StringRef TT,
     FrameLowering(Subtarget),
     TLInfo(*this),
     TSInfo(*this),
-    InstrItins(Subtarget.getInstrItineraryData()) {
+    InstrItins(Subtarget.getInstrItineraryData()),
+    STTI(&TLInfo){
 }
 
 //===----------------------------------------------------------------------===//

llvm/lib/Target/CellSPU/SPUTargetMachine.h

@@ -20,6 +20,7 @@
 #include "SPUSelectionDAGInfo.h"
 #include "SPUFrameLowering.h"
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetTransformImpl.h"
 #include "llvm/DataLayout.h"
 
 namespace llvm {
@@ -34,6 +35,8 @@ class SPUTargetMachine : public LLVMTargetMachine {
   SPUTargetLowering   TLInfo;
   SPUSelectionDAGInfo TSInfo;
   InstrItineraryData  InstrItins;
+  ScalarTargetTransformImpl STTI;
+  VectorTargetTransformImpl VTTI;
 public:
   SPUTargetMachine(const Target &T, StringRef TT,
                    StringRef CPU, StringRef FS, const TargetOptions &Options,
@@ -77,6 +80,12 @@ public:
   virtual const InstrItineraryData *getInstrItineraryData() const {
     return &InstrItins;
   }
+  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
+    return &STTI;
+  }
+  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
+    return &VTTI;
+  }
 
   // Pass Pipeline Configuration
   virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);

llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp

@@ -74,7 +74,8 @@ HexagonTargetMachine::HexagonTargetMachine(const Target &T, StringRef TT,
     Subtarget(TT, CPU, FS), InstrInfo(Subtarget), TLInfo(*this),
     TSInfo(*this),
     FrameLowering(Subtarget),
-    InstrItins(&Subtarget.getInstrItineraryData()) {
+    InstrItins(&Subtarget.getInstrItineraryData()),
+    STTI(&TLInfo) {
   setMCUseCFI(false);
 }
 
@@ -87,7 +88,7 @@ bool HexagonTargetMachine::addPassesForOptimizations(PassManagerBase &PM) {
   PM.add(createDeadCodeEliminationPass());
   PM.add(createConstantPropagationPass());
   PM.add(createLoopUnrollPass());
-  PM.add(createLoopStrengthReducePass(getTargetLowering()));
+  PM.add(createLoopStrengthReducePass());
   return true;
 }
 

llvm/lib/Target/Hexagon/HexagonTargetMachine.h

@@ -21,6 +21,7 @@
 #include "HexagonFrameLowering.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/DataLayout.h"
+#include "llvm/Target/TargetTransformImpl.h"
 
 namespace llvm {
 
@@ -34,6 +35,8 @@ class HexagonTargetMachine : public LLVMTargetMachine {
   HexagonSelectionDAGInfo TSInfo;
   HexagonFrameLowering FrameLowering;
   const InstrItineraryData* InstrItins;
+  ScalarTargetTransformImpl STTI;
+  VectorTargetTransformImpl VTTI;
 
 public:
   HexagonTargetMachine(const Target &T, StringRef TT,StringRef CPU,
@@ -68,6 +71,14 @@ public:
     return &TSInfo;
   }
 
+  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
+    return &STTI;
+  }
+
+  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
+    return &VTTI;
+  }
+
   virtual const DataLayout       *getDataLayout() const { return &DL; }
   static unsigned getModuleMatchQuality(const Module &M);
 

llvm/lib/Target/MBlaze/MBlazeTargetMachine.cpp

@@ -42,7 +42,7 @@ MBlazeTargetMachine(const Target &T, StringRef TT,
     InstrInfo(*this),
     FrameLowering(Subtarget),
     TLInfo(*this), TSInfo(*this), ELFWriterInfo(*this),
-    InstrItins(Subtarget.getInstrItineraryData()) {
+    InstrItins(Subtarget.getInstrItineraryData()), STTI(&TLInfo) {
 }
 
 namespace {

llvm/lib/Target/MBlaze/MBlazeTargetMachine.h

@@ -25,6 +25,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/DataLayout.h"
 #include "llvm/Target/TargetFrameLowering.h"
+#include "llvm/Target/TargetTransformImpl.h"
 
 namespace llvm {
   class formatted_raw_ostream;
@@ -39,6 +40,8 @@ namespace llvm {
     MBlazeIntrinsicInfo    IntrinsicInfo;
     MBlazeELFWriterInfo    ELFWriterInfo;
     InstrItineraryData     InstrItins;
+    ScalarTargetTransformImpl STTI;
+    VectorTargetTransformImpl VTTI;
 
   public:
     MBlazeTargetMachine(const Target &T, StringRef TT,
@@ -77,6 +80,10 @@ namespace llvm {
     virtual const MBlazeELFWriterInfo *getELFWriterInfo() const {
       return &ELFWriterInfo;
     }
+    virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const
+    { return &STTI; }
+    virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const
+    { return &VTTI; }
 
     // Pass Pipeline Configuration
     virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);

llvm/lib/Target/MSP430/MSP430TargetMachine.cpp

@@ -36,7 +36,7 @@ MSP430TargetMachine::MSP430TargetMachine(const Target &T,
     // FIXME: Check DataLayout string.
     DL("e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"),
     InstrInfo(*this), TLInfo(*this), TSInfo(*this),
-    FrameLowering(Subtarget) { }
+    FrameLowering(Subtarget), STTI(&TLInfo) { }
 
 namespace {
 /// MSP430 Code Generator Pass Configuration Options.

llvm/lib/Target/MSP430/MSP430TargetMachine.h

@@ -24,6 +24,7 @@
 #include "llvm/DataLayout.h"
 #include "llvm/Target/TargetFrameLowering.h"
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetTransformImpl.h"
 
 namespace llvm {
 
@@ -36,6 +37,8 @@ class MSP430TargetMachine : public LLVMTargetMachine {
   MSP430TargetLowering   TLInfo;
   MSP430SelectionDAGInfo TSInfo;
   MSP430FrameLowering    FrameLowering;
+  ScalarTargetTransformImpl STTI;
+  VectorTargetTransformImpl VTTI;
 
 public:
   MSP430TargetMachine(const Target &T, StringRef TT,
@@ -61,7 +64,12 @@ public:
   virtual const MSP430SelectionDAGInfo* getSelectionDAGInfo() const {
     return &TSInfo;
   }
-
+  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
+    return &STTI;
+  }
+  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
+    return &VTTI;
+  }
   virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);
 }; // MSP430TargetMachine.
 

llvm/lib/Target/Mips/MipsTargetMachine.cpp

@@ -53,7 +53,7 @@ MipsTargetMachine(const Target &T, StringRef TT,
     InstrInfo(MipsInstrInfo::create(*this)),
     FrameLowering(MipsFrameLowering::create(*this, Subtarget)),
     TLInfo(*this), TSInfo(*this), JITInfo(),
-    ELFWriterInfo(false, isLittle) {
+    ELFWriterInfo(false, isLittle), STTI(&TLInfo) {
 }
 
 void MipsebTargetMachine::anchor() { }

llvm/lib/Target/Mips/MipsTargetMachine.h

@@ -24,6 +24,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/DataLayout.h"
 #include "llvm/Target/TargetFrameLowering.h"
+#include "llvm/Target/TargetTransformImpl.h"
 
 namespace llvm {
 class formatted_raw_ostream;
@@ -38,6 +39,8 @@ class MipsTargetMachine : public LLVMTargetMachine {
   MipsSelectionDAGInfo TSInfo;
   MipsJITInfo JITInfo;
   MipsELFWriterInfo   ELFWriterInfo;
+  ScalarTargetTransformImpl STTI;
+  VectorTargetTransformInfo VTTI; 
 
 public:
   MipsTargetMachine(const Target &T, StringRef TT,
@@ -74,6 +77,12 @@ public:
   virtual const MipsELFWriterInfo *getELFWriterInfo() const {
     return &ELFWriterInfo;
   }
+  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
+    return &STTI;
+  }
+  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
+    return &VTTI;
+  }
 
   // Pass Pipeline Configuration
   virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);

llvm/lib/Target/NVPTX/NVPTXTargetMachine.cpp

@@ -72,7 +72,8 @@ NVPTXTargetMachine::NVPTXTargetMachine(const Target &T,
 : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
   Subtarget(TT, CPU, FS, is64bit),
   DL(Subtarget.getDataLayout()),
-  InstrInfo(*this), TLInfo(*this), TSInfo(*this), FrameLowering(*this,is64bit)
+  InstrInfo(*this), TLInfo(*this), TSInfo(*this), FrameLowering(*this,is64bit),
+  STTI(&TLInfo)
 /*FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0)*/ {
 }
 

llvm/lib/Target/NVPTX/NVPTXTargetMachine.h

@@ -25,6 +25,7 @@
 #include "llvm/Target/TargetFrameLowering.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetSelectionDAGInfo.h"
+#include "llvm/Target/TargetTransformImpl.h"
 
 namespace llvm {
 
@@ -44,6 +45,9 @@ class NVPTXTargetMachine : public LLVMTargetMachine {
   // Hold Strings that can be free'd all together with NVPTXTargetMachine
   ManagedStringPool     ManagedStrPool;
 
+  ScalarTargetTransformImpl STTI;
+  VectorTargetTransformImpl VTTI;
+
   //bool addCommonCodeGenPasses(PassManagerBase &, CodeGenOpt::Level,
   //                            bool DisableVerify, MCContext *&OutCtx);
 
@@ -72,6 +76,12 @@ public:
   virtual const TargetSelectionDAGInfo *getSelectionDAGInfo() const {
     return &TSInfo;
   }
+  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
+    return &STTI;
+  }
+  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
+    return &VTTI;
+  }
 
   //virtual bool addInstSelector(PassManagerBase &PM,
   //                             CodeGenOpt::Level OptLevel);

llvm/lib/Target/PowerPC/PPCTargetMachine.cpp

@@ -43,7 +43,8 @@ PPCTargetMachine::PPCTargetMachine(const Target &T, StringRef TT,
     DL(Subtarget.getDataLayoutString()), InstrInfo(*this),
     FrameLowering(Subtarget), JITInfo(*this, is64Bit),
     TLInfo(*this), TSInfo(*this),
-    InstrItins(Subtarget.getInstrItineraryData()) {
+    InstrItins(Subtarget.getInstrItineraryData()),
+    STTI(&TLInfo){
 
   // The binutils for the BG/P are too old for CFI.
   if (Subtarget.isBGP())

llvm/lib/Target/PowerPC/PPCTargetMachine.h

@@ -21,6 +21,7 @@
 #include "PPCISelLowering.h"
 #include "PPCSelectionDAGInfo.h"
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetTransformImpl.h"
 #include "llvm/DataLayout.h"
 
 namespace llvm {
@@ -36,6 +37,8 @@ class PPCTargetMachine : public LLVMTargetMachine {
   PPCTargetLowering   TLInfo;
   PPCSelectionDAGInfo TSInfo;
   InstrItineraryData  InstrItins;
+  ScalarTargetTransformImpl STTI;
+  VectorTargetTransformImpl VTTI;
 
 public:
   PPCTargetMachine(const Target &T, StringRef TT,
@@ -63,6 +66,12 @@ public:
   virtual const InstrItineraryData *getInstrItineraryData() const {
     return &InstrItins;
   }
+  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
+    return &STTI;
+  }
+  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
+    return &VTTI;
+  }
 
   // Pass Pipeline Configuration
   virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);

llvm/lib/Target/Sparc/SparcTargetMachine.cpp

@@ -36,7 +36,7 @@ SparcTargetMachine::SparcTargetMachine(const Target &T, StringRef TT,
     DL(Subtarget.getDataLayout()),
     InstrInfo(Subtarget),
     TLInfo(*this), TSInfo(*this),
-    FrameLowering(Subtarget) {
+    FrameLowering(Subtarget),STTI(&TLInfo) {
 }
 
 namespace {

llvm/lib/Target/Sparc/SparcTargetMachine.h

@@ -22,6 +22,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/DataLayout.h"
 #include "llvm/Target/TargetFrameLowering.h"
+#include "llvm/Target/TargetTransformImpl.h"
 
 namespace llvm {
 
@@ -32,6 +33,8 @@ class SparcTargetMachine : public LLVMTargetMachine {
   SparcTargetLowering TLInfo;
   SparcSelectionDAGInfo TSInfo;
   SparcFrameLowering FrameLowering;
+  ScalarTargetTransformImpl STTI;
+  VectorTargetTransformImpl VTTI;
 public:
   SparcTargetMachine(const Target &T, StringRef TT,
                      StringRef CPU, StringRef FS, const TargetOptions &Options,
@@ -52,6 +55,12 @@ public:
   virtual const SparcSelectionDAGInfo* getSelectionDAGInfo() const {
     return &TSInfo;
   }
+  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
+    return &STTI;
+  }
+  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
+    return &VTTI;
+  }
   virtual const DataLayout       *getDataLayout() const { return &DL; }
 
   // Pass Pipeline Configuration

llvm/lib/Target/Target.cpp

@@ -26,6 +26,7 @@ using namespace llvm;
 void llvm::initializeTarget(PassRegistry &Registry) {
   initializeDataLayoutPass(Registry);
   initializeTargetLibraryInfoPass(Registry);
+  initializeTargetTransformInfoPass(Registry);
 }
 
 void LLVMInitializeTarget(LLVMPassRegistryRef R) {

llvm/lib/Target/TargetTransformImpl.cpp

@@ -0,0 +1,43 @@
+// llvm/Target/TargetTransformImpl.cpp - 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.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Target/TargetTransformImpl.h"
+#include "llvm/Target/TargetLowering.h"
+
+using namespace llvm;
+
+bool ScalarTargetTransformImpl::isLegalAddImmediate(int64_t imm) const {
+  return TLI->isLegalAddImmediate(imm);
+}
+
+bool ScalarTargetTransformImpl::isLegalICmpImmediate(int64_t imm) const {
+  return TLI->isLegalICmpImmediate(imm);
+}
+
+bool ScalarTargetTransformImpl::isLegalAddressingMode(const AddrMode &AM,
+                                                    Type *Ty) const {
+  return TLI->isLegalAddressingMode(AM, Ty);
+}
+
+bool ScalarTargetTransformImpl::isTruncateFree(Type *Ty1, Type *Ty2) const {
+  return TLI->isTruncateFree(Ty1, Ty2);
+}
+
+bool ScalarTargetTransformImpl::isTypeLegal(Type *Ty) const {
+  EVT T = TLI->getValueType(Ty);
+  return TLI->isTypeLegal(T);
+}
+
+unsigned ScalarTargetTransformImpl::getJumpBufAlignment() const {
+  return TLI->getJumpBufAlignment();
+}
+
+unsigned ScalarTargetTransformImpl::getJumpBufSize() const {
+  return TLI->getJumpBufSize();
+}

llvm/lib/Target/X86/X86TargetMachine.cpp

@@ -48,7 +48,8 @@ X86_32TargetMachine::X86_32TargetMachine(const Target &T, StringRef TT,
     InstrInfo(*this),
     TSInfo(*this),
     TLInfo(*this),
-    JITInfo(*this) {
+    JITInfo(*this),
+    STTI(&TLInfo) {
 }
 
 void X86_64TargetMachine::anchor() { }
@@ -64,7 +65,8 @@ X86_64TargetMachine::X86_64TargetMachine(const Target &T, StringRef TT,
     InstrInfo(*this),
     TSInfo(*this),
     TLInfo(*this),
-    JITInfo(*this) {
+    JITInfo(*this),
+    STTI(&TLInfo) {
 }
 
 /// X86TargetMachine ctor - Create an X86 target.

llvm/lib/Target/X86/X86TargetMachine.h

@@ -25,6 +25,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/DataLayout.h"
 #include "llvm/Target/TargetFrameLowering.h"
+#include "llvm/Target/TargetTransformImpl.h"
 
 namespace llvm {
 
@@ -85,6 +86,8 @@ class X86_32TargetMachine : public X86TargetMachine {
   X86SelectionDAGInfo TSInfo;
   X86TargetLowering TLInfo;
   X86JITInfo        JITInfo;
+  ScalarTargetTransformImpl STTI;
+  VectorTargetTransformImpl VTTI;
 public:
   X86_32TargetMachine(const Target &T, StringRef TT,
                       StringRef CPU, StringRef FS, const TargetOptions &Options,
@@ -103,6 +106,12 @@ public:
   virtual       X86JITInfo       *getJITInfo()         {
     return &JITInfo;
   }
+  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
+    return &STTI;
+  }
+  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
+    return &VTTI;
+  }
 };
 
 /// X86_64TargetMachine - X86 64-bit target machine.
@@ -114,6 +123,8 @@ class X86_64TargetMachine : public X86TargetMachine {
   X86SelectionDAGInfo TSInfo;
   X86TargetLowering TLInfo;
   X86JITInfo        JITInfo;
+  ScalarTargetTransformImpl STTI;
+  VectorTargetTransformImpl VTTI;
 public:
   X86_64TargetMachine(const Target &T, StringRef TT,
                       StringRef CPU, StringRef FS, const TargetOptions &Options,
@@ -132,6 +143,12 @@ public:
   virtual       X86JITInfo       *getJITInfo()         {
     return &JITInfo;
   }
+  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
+    return &STTI;
+  }
+  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
+    return &VTTI;
+  }
 };
 
 } // End llvm namespace

llvm/lib/Target/XCore/XCoreTargetMachine.cpp

@@ -32,7 +32,7 @@ XCoreTargetMachine::XCoreTargetMachine(const Target &T, StringRef TT,
     InstrInfo(),
     FrameLowering(Subtarget),
     TLInfo(*this),
-    TSInfo(*this) {
+    TSInfo(*this), STTI(&TLInfo) {
 }
 
 namespace {

llvm/lib/Target/XCore/XCoreTargetMachine.h

@@ -20,6 +20,7 @@
 #include "XCoreISelLowering.h"
 #include "XCoreSelectionDAGInfo.h"
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetTransformImpl.h"
 #include "llvm/DataLayout.h"
 
 namespace llvm {
@@ -31,6 +32,8 @@ class XCoreTargetMachine : public LLVMTargetMachine {
   XCoreFrameLowering FrameLowering;
   XCoreTargetLowering TLInfo;
   XCoreSelectionDAGInfo TSInfo;
+  ScalarTargetTransformImpl STTI;
+  VectorTargetTransformImpl VTTI;
 public:
   XCoreTargetMachine(const Target &T, StringRef TT,
                      StringRef CPU, StringRef FS, const TargetOptions &Options,
@@ -53,6 +56,12 @@ public:
   virtual const TargetRegisterInfo *getRegisterInfo() const {
     return &InstrInfo.getRegisterInfo();
   }
+  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
+    return &STTI;
+  }
+  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
+    return &VTTI;
+  }
   virtual const DataLayout       *getDataLayout() const { return &DL; }
 
   // Pass Pipeline Configuration

llvm/lib/VMCore/CMakeLists.txt

@@ -33,6 +33,7 @@ add_llvm_library(LLVMCore
   PrintModulePass.cpp
   Type.cpp
   TypeFinder.cpp
+  TargetTransformInfo.cpp
   Use.cpp
   User.cpp
   Value.cpp

llvm/lib/VMCore/TargetTransformInfo.cpp

@@ -0,0 +1,27 @@
+//===- llvm/VMCore/TargetTransformInfo.cpp ----------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/TargetTransformInfo.h"
+#include "llvm/Support/ErrorHandling.h"
+
+using namespace llvm;
+
+/// Default ctor.
+///
+/// @note This has to exist, because this is a pass, but it should never be
+/// used.
+TargetTransformInfo::TargetTransformInfo() : ImmutablePass(ID) {
+  report_fatal_error("Bad TargetTransformInfo ctor used.  "
+                     "Tool did not specify a TargetTransformInfo to use?");
+}
+
+INITIALIZE_PASS(TargetTransformInfo, "TargetTransformInfo",
+                "Target Transform Info", false, true)
+char TargetTransformInfo::ID = 0;
+

llvm/tools/llc/llc.cpp

@@ -21,6 +21,7 @@
 #include "llvm/ADT/Triple.h"
 #include "llvm/Assembly/PrintModulePass.h"
 #include "llvm/Support/IRReader.h"
+#include "llvm/CodeGen/CommandFlags.h"
 #include "llvm/CodeGen/LinkAllAsmWriterComponents.h"
 #include "llvm/CodeGen/LinkAllCodegenComponents.h"
 #include "llvm/MC/SubtargetFeature.h"
@@ -62,216 +63,13 @@ OptLevel("O",
 static cl::opt<std::string>
 TargetTriple("mtriple", cl::desc("Override target triple for module"));
 
-static cl::opt<std::string>
-MArch("march", cl::desc("Architecture to generate code for (see --version)"));
-
-static cl::opt<std::string>
-MCPU("mcpu",
-  cl::desc("Target a specific cpu type (-mcpu=help for details)"),
-  cl::value_desc("cpu-name"),
-  cl::init(""));
-
-static cl::list<std::string>
-MAttrs("mattr",
-  cl::CommaSeparated,
-  cl::desc("Target specific attributes (-mattr=help for details)"),
-  cl::value_desc("a1,+a2,-a3,..."));
-
-static cl::opt<Reloc::Model>
-RelocModel("relocation-model",
-             cl::desc("Choose relocation model"),
-             cl::init(Reloc::Default),
-             cl::values(
-            clEnumValN(Reloc::Default, "default",
-                       "Target default relocation model"),
-            clEnumValN(Reloc::Static, "static",
-                       "Non-relocatable code"),
-            clEnumValN(Reloc::PIC_, "pic",
-                       "Fully relocatable, position independent code"),
-            clEnumValN(Reloc::DynamicNoPIC, "dynamic-no-pic",
-                       "Relocatable external references, non-relocatable code"),
-            clEnumValEnd));
-
-static cl::opt<llvm::CodeModel::Model>
-CMModel("code-model",
-        cl::desc("Choose code model"),
-        cl::init(CodeModel::Default),
-        cl::values(clEnumValN(CodeModel::Default, "default",
-                              "Target default code model"),
-                   clEnumValN(CodeModel::Small, "small",
-                              "Small code model"),
-                   clEnumValN(CodeModel::Kernel, "kernel",
-                              "Kernel code model"),
-                   clEnumValN(CodeModel::Medium, "medium",
-                              "Medium code model"),
-                   clEnumValN(CodeModel::Large, "large",
-                              "Large code model"),
-                   clEnumValEnd));
-
-static cl::opt<bool>
-RelaxAll("mc-relax-all",
-  cl::desc("When used with filetype=obj, "
-           "relax all fixups in the emitted object file"));
-
-cl::opt<TargetMachine::CodeGenFileType>
-FileType("filetype", cl::init(TargetMachine::CGFT_AssemblyFile),
-  cl::desc("Choose a file type (not all types are supported by all targets):"),
-  cl::values(
-       clEnumValN(TargetMachine::CGFT_AssemblyFile, "asm",
-                  "Emit an assembly ('.s') file"),
-       clEnumValN(TargetMachine::CGFT_ObjectFile, "obj",
-                  "Emit a native object ('.o') file"),
-       clEnumValN(TargetMachine::CGFT_Null, "null",
-                  "Emit nothing, for performance testing"),
-       clEnumValEnd));
-
 cl::opt<bool> NoVerify("disable-verify", cl::Hidden,
                        cl::desc("Do not verify input module"));
 
-cl::opt<bool> DisableDotLoc("disable-dot-loc", cl::Hidden,
+cl::opt<bool>
-                            cl::desc("Do not use .loc entries"));
-
-cl::opt<bool> DisableCFI("disable-cfi", cl::Hidden,
-                         cl::desc("Do not use .cfi_* directives"));
-
-cl::opt<bool> EnableDwarfDirectory("enable-dwarf-directory", cl::Hidden,
-    cl::desc("Use .file directives with an explicit directory."));
-
-static cl::opt<bool>
-DisableRedZone("disable-red-zone",
-  cl::desc("Do not emit code that uses the red zone."),
-  cl::init(false));
-
-static cl::opt<bool>
-EnableFPMAD("enable-fp-mad",
-  cl::desc("Enable less precise MAD instructions to be generated"),
-  cl::init(false));
-
-static cl::opt<bool>
-DisableFPElim("disable-fp-elim",
-  cl::desc("Disable frame pointer elimination optimization"),
-  cl::init(false));
-
-static cl::opt<bool>
-DisableFPElimNonLeaf("disable-non-leaf-fp-elim",
-  cl::desc("Disable frame pointer elimination optimization for non-leaf funcs"),
-  cl::init(false));
-
-static cl::opt<bool>
-EnableUnsafeFPMath("enable-unsafe-fp-math",
-  cl::desc("Enable optimizations that may decrease FP precision"),
-  cl::init(false));
-
-static cl::opt<bool>
-EnableNoInfsFPMath("enable-no-infs-fp-math",
-  cl::desc("Enable FP math optimizations that assume no +-Infs"),
-  cl::init(false));
-
-static cl::opt<bool>
-EnableNoNaNsFPMath("enable-no-nans-fp-math",
-  cl::desc("Enable FP math optimizations that assume no NaNs"),
-  cl::init(false));
-
-static cl::opt<bool>
-EnableHonorSignDependentRoundingFPMath("enable-sign-dependent-rounding-fp-math",
-  cl::Hidden,
-  cl::desc("Force codegen to assume rounding mode can change dynamically"),
-  cl::init(false));
-
-static cl::opt<bool>
-GenerateSoftFloatCalls("soft-float",
-  cl::desc("Generate software floating point library calls"),
-  cl::init(false));
-
-static cl::opt<llvm::FloatABI::ABIType>
-FloatABIForCalls("float-abi",
-  cl::desc("Choose float ABI type"),
-  cl::init(FloatABI::Default),
-  cl::values(
-    clEnumValN(FloatABI::Default, "default",
-               "Target default float ABI type"),
-    clEnumValN(FloatABI::Soft, "soft",
-               "Soft float ABI (implied by -soft-float)"),
-    clEnumValN(FloatABI::Hard, "hard",
-               "Hard float ABI (uses FP registers)"),
-    clEnumValEnd));
-
-static cl::opt<llvm::FPOpFusion::FPOpFusionMode>
-FuseFPOps("fp-contract",
-  cl::desc("Enable aggresive formation of fused FP ops"),
-  cl::init(FPOpFusion::Standard),
-  cl::values(
-    clEnumValN(FPOpFusion::Fast, "fast",
-               "Fuse FP ops whenever profitable"),
-    clEnumValN(FPOpFusion::Standard, "on",
-               "Only fuse 'blessed' FP ops."),
-    clEnumValN(FPOpFusion::Strict, "off",
-               "Only fuse FP ops when the result won't be effected."),
-    clEnumValEnd));
-
-static cl::opt<bool>
-DontPlaceZerosInBSS("nozero-initialized-in-bss",
-  cl::desc("Don't place zero-initialized symbols into bss section"),
-  cl::init(false));
-
-static cl::opt<bool>
 DisableSimplifyLibCalls("disable-simplify-libcalls",
-  cl::desc("Disable simplify-libcalls"),
+                        cl::desc("Disable simplify-libcalls"),
-  cl::init(false));
+                        cl::init(false));
-
-static cl::opt<bool>
-EnableGuaranteedTailCallOpt("tailcallopt",
-  cl::desc("Turn fastcc calls into tail calls by (potentially) changing ABI."),
-  cl::init(false));
-
-static cl::opt<bool>
-DisableTailCalls("disable-tail-calls",
-  cl::desc("Never emit tail calls"),
-  cl::init(false));
-
-static cl::opt<unsigned>
-OverrideStackAlignment("stack-alignment",
-  cl::desc("Override default stack alignment"),
-  cl::init(0));
-
-static cl::opt<bool>
-EnableRealignStack("realign-stack",
-  cl::desc("Realign stack if needed"),
-  cl::init(true));
-
-static cl::opt<std::string>
-TrapFuncName("trap-func", cl::Hidden,
-  cl::desc("Emit a call to trap function rather than a trap instruction"),
-  cl::init(""));
-
-static cl::opt<bool>
-EnablePIE("enable-pie",
-  cl::desc("Assume the creation of a position independent executable."),
-  cl::init(false));
-
-static cl::opt<bool>
-SegmentedStacks("segmented-stacks",
-  cl::desc("Use segmented stacks if possible."),
-  cl::init(false));
-
-static cl::opt<bool>
-UseInitArray("use-init-array",
-  cl::desc("Use .init_array instead of .ctors."),
-  cl::init(false));
-
-static cl::opt<std::string> StopAfter("stop-after",
-  cl::desc("Stop compilation after a specific pass"),
-  cl::value_desc("pass-name"),
-  cl::init(""));
-static cl::opt<std::string> StartAfter("start-after",
-  cl::desc("Resume compilation after a specific pass"),
-  cl::value_desc("pass-name"),
-  cl::init(""));
-
-static cl::opt<unsigned>
-SSPBufferSize("stack-protector-buffer-size", cl::init(8),
-              cl::desc("Lower bound for a buffer to be considered for "
-                       "stack protection"));
 
 // GetFileNameRoot - Helper function to get the basename of a filename.
 static inline std::string
@@ -505,6 +303,11 @@ int main(int argc, char **argv) {
     TLI->disableAllFunctions();
   PM.add(TLI);
 
+  if (target.get()) {
+    PM.add(new TargetTransformInfo(target->getScalarTargetTransformInfo(),
+                                   target->getVectorTargetTransformInfo()));
+  }
+
   // Add the target data from the target machine, if it exists, or the module.
   if (const DataLayout *TD = Target.getDataLayout())
     PM.add(new DataLayout(*TD));

llvm/tools/lto/LTOCodeGenerator.cpp

@@ -371,6 +371,8 @@ bool LTOCodeGenerator::generateObjectFile(raw_ostream &out,
 
   // Add an appropriate DataLayout instance for this module...
   passes.add(new DataLayout(*_target->getDataLayout()));
+  passes.add(new TargetTransformInfo(_target->getScalarTargetTransformInfo(),
+                                     _target->getVectorTargetTransformInfo()));
 
   // Enabling internalize here would use its AllButMain variant. It
   // keeps only main if it exists and does nothing for libraries. Instead

llvm/tools/opt/CMakeLists.txt

@@ -1,4 +1,4 @@
-set(LLVM_LINK_COMPONENTS bitreader asmparser bitwriter instrumentation scalaropts ipo vectorize)
+set(LLVM_LINK_COMPONENTS ${LLVM_TARGETS_TO_BUILD} bitreader asmparser bitwriter instrumentation scalaropts ipo vectorize)
 
 add_llvm_tool(opt
   AnalysisWrappers.cpp

llvm/tools/opt/LLVMBuild.txt

@@ -19,4 +19,4 @@
 type = Tool
 name = opt
 parent = Tools
-required_libraries = AsmParser BitReader BitWriter IPO Instrumentation Scalar
+required_libraries = AsmParser BitReader BitWriter IPO Instrumentation Scalar all-targets

llvm/tools/opt/Makefile

@@ -9,6 +9,6 @@
 
 LEVEL := ../..
 TOOLNAME := opt
-LINK_COMPONENTS := bitreader bitwriter asmparser instrumentation scalaropts ipo vectorize
+LINK_COMPONENTS := bitreader bitwriter asmparser instrumentation scalaropts ipo vectorize all-targets
 
 include $(LEVEL)/Makefile.common

llvm/tools/opt/opt.cpp

@@ -18,6 +18,7 @@
 #include "llvm/Module.h"
 #include "llvm/PassManager.h"
 #include "llvm/CallGraphSCCPass.h"
+#include "llvm/CodeGen/CommandFlags.h"
 #include "llvm/Bitcode/ReaderWriter.h"
 #include "llvm/Assembly/PrintModulePass.h"
 #include "llvm/Analysis/Verifier.h"
@@ -36,7 +37,9 @@
 #include "llvm/Support/PluginLoader.h"
 #include "llvm/Support/PrettyStackTrace.h"
 #include "llvm/Support/SystemUtils.h"
+#include "llvm/Support/TargetRegistry.h"
 #include "llvm/Support/ToolOutputFile.h"
+#include "llvm/MC/SubtargetFeature.h"
 #include "llvm/LinkAllPasses.h"
 #include "llvm/LinkAllVMCore.h"
 #include "llvm/Transforms/IPO/PassManagerBuilder.h"
@@ -478,6 +481,75 @@ static void AddStandardLinkPasses(PassManagerBase &PM) {
                                  /*RunInliner=*/ !DisableInline);
 }
 
+//===----------------------------------------------------------------------===//
+// CodeGen-related helper functions.
+//
+static TargetOptions GetTargetOptions() {
+  TargetOptions Options;
+  Options.LessPreciseFPMADOption = EnableFPMAD;
+  Options.NoFramePointerElim = DisableFPElim;
+  Options.NoFramePointerElimNonLeaf = DisableFPElimNonLeaf;
+  Options.AllowFPOpFusion = FuseFPOps;
+  Options.UnsafeFPMath = EnableUnsafeFPMath;
+  Options.NoInfsFPMath = EnableNoInfsFPMath;
+  Options.NoNaNsFPMath = EnableNoNaNsFPMath;
+  Options.HonorSignDependentRoundingFPMathOption =
+  EnableHonorSignDependentRoundingFPMath;
+  Options.UseSoftFloat = GenerateSoftFloatCalls;
+  if (FloatABIForCalls != FloatABI::Default)
+    Options.FloatABIType = FloatABIForCalls;
+  Options.NoZerosInBSS = DontPlaceZerosInBSS;
+  Options.GuaranteedTailCallOpt = EnableGuaranteedTailCallOpt;
+  Options.DisableTailCalls = DisableTailCalls;
+  Options.StackAlignmentOverride = OverrideStackAlignment;
+  Options.RealignStack = EnableRealignStack;
+  Options.TrapFuncName = TrapFuncName;
+  Options.PositionIndependentExecutable = EnablePIE;
+  Options.EnableSegmentedStacks = SegmentedStacks;
+  Options.UseInitArray = UseInitArray;
+  Options.SSPBufferSize = SSPBufferSize;
+  return Options;
+}
+
+CodeGenOpt::Level GetCodeGenOptLevel() {
+  if (OptLevelO1)
+    return CodeGenOpt::Less;
+  if (OptLevelO2)
+    return CodeGenOpt::Default;
+  if (OptLevelO3)
+    return CodeGenOpt::Aggressive;
+  return CodeGenOpt::None;
+}
+
+// Returns the TargetMachine instance or zero if no triple is provided.
+static TargetMachine* GetTargetMachine(std::string TripleStr) {
+  if (TripleStr.empty())
+    return 0;
+
+  // Get the target specific parser.
+  std::string Error;
+  Triple TheTriple(Triple::normalize(TargetTriple));
+
+  const Target *TheTarget = TargetRegistry::lookupTarget(MArch, TheTriple,
+                                                         Error);
+  if (!TheTarget) {
+    return 0;
+  }
+
+  // Package up features to be passed to target/subtarget
+  std::string FeaturesStr;
+  if (MAttrs.size()) {
+    SubtargetFeatures Features;
+    for (unsigned i = 0; i != MAttrs.size(); ++i)
+      Features.AddFeature(MAttrs[i]);
+    FeaturesStr = Features.getString();
+  }
+
+  return TheTarget->createTargetMachine(TheTriple.getTriple(),
+                                        MCPU, FeaturesStr, GetTargetOptions(),
+                                        RelocModel, CMModel,
+                                        GetCodeGenOptLevel());
+}
 
 //===----------------------------------------------------------------------===//
 // main for opt
@@ -579,6 +651,12 @@ int main(int argc, char **argv) {
   if (TD)
     Passes.add(TD);
 
+  std::auto_ptr<TargetMachine> TM(GetTargetMachine(TargetTriple));
+  if (TM.get()) {
+    Passes.add(new TargetTransformInfo(TM->getScalarTargetTransformInfo(),
+                                       TM->getVectorTargetTransformInfo()));
+  }
+
   OwningPtr<FunctionPassManager> FPasses;
   if (OptLevelO1 || OptLevelO2 || OptLevelOs || OptLevelOz || OptLevelO3) {
     FPasses.reset(new FunctionPassManager(M.get()));