X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FMachineFunction.cpp;h=3cf10b3ac65d5be698d5626e24796ed699a0f9b7;hb=78f006acdfda52f7250929e1c2fea8afbb9a5b07;hp=2ff20f21384fea8135218a054ead5a2fbb8efbea;hpb=a63710124a4c0d248ab32f82b76b3c7ec670d1e0;p=oota-llvm.git diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp index 2ff20f21384..3cf10b3ac65 100644 --- a/lib/CodeGen/MachineFunction.cpp +++ b/lib/CodeGen/MachineFunction.cpp @@ -16,7 +16,6 @@ #include "llvm/DerivedTypes.h" #include "llvm/Function.h" #include "llvm/Instructions.h" -#include "llvm/ADT/STLExtras.h" #include "llvm/Config/config.h" #include "llvm/CodeGen/MachineConstantPool.h" #include "llvm/CodeGen/MachineFunction.h" @@ -24,54 +23,26 @@ #include "llvm/CodeGen/MachineFrameInfo.h" #include "llvm/CodeGen/MachineInstr.h" #include "llvm/CodeGen/MachineJumpTableInfo.h" +#include "llvm/CodeGen/MachineModuleInfo.h" #include "llvm/CodeGen/MachineRegisterInfo.h" #include "llvm/CodeGen/Passes.h" +#include "llvm/MC/MCAsmInfo.h" +#include "llvm/MC/MCContext.h" +#include "llvm/Analysis/DebugInfo.h" +#include "llvm/Support/Debug.h" #include "llvm/Target/TargetData.h" #include "llvm/Target/TargetLowering.h" #include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetFrameInfo.h" -#include "llvm/Support/Compiler.h" +#include "llvm/ADT/SmallString.h" +#include "llvm/ADT/STLExtras.h" #include "llvm/Support/GraphWriter.h" #include "llvm/Support/raw_ostream.h" using namespace llvm; -namespace { - struct VISIBILITY_HIDDEN Printer : public MachineFunctionPass { - static char ID; - - raw_ostream &OS; - const std::string Banner; - - Printer(raw_ostream &os, const std::string &banner) - : MachineFunctionPass(&ID), OS(os), Banner(banner) {} - - const char *getPassName() const { return "MachineFunction Printer"; } - - virtual void getAnalysisUsage(AnalysisUsage &AU) const { - AU.setPreservesAll(); - MachineFunctionPass::getAnalysisUsage(AU); - } - - bool runOnMachineFunction(MachineFunction &MF) { - OS << Banner; - MF.print(OS); - return false; - } - }; - char Printer::ID = 0; -} - -/// Returns a newly-created MachineFunction Printer pass. The default banner is -/// empty. -/// -FunctionPass *llvm::createMachineFunctionPrinterPass(raw_ostream &OS, - const std::string &Banner){ - return new Printer(OS, Banner); -} - -//===---------------------------------------------------------------------===// +//===----------------------------------------------------------------------===// // MachineFunction implementation -//===---------------------------------------------------------------------===// +//===----------------------------------------------------------------------===// // Out of line virtual method. MachineFunctionInfo::~MachineFunctionInfo() {} @@ -80,30 +51,22 @@ void ilist_traits::deleteNode(MachineBasicBlock *MBB) { MBB->getParent()->DeleteMachineBasicBlock(MBB); } -MachineFunction::MachineFunction(Function *F, - const TargetMachine &TM) - : Fn(F), Target(TM) { +MachineFunction::MachineFunction(const Function *F, const TargetMachine &TM, + unsigned FunctionNum, MachineModuleInfo &mmi) + : Fn(F), Target(TM), Ctx(mmi.getContext()), MMI(mmi) { if (TM.getRegisterInfo()) - RegInfo = new (Allocator.Allocate()) - MachineRegisterInfo(*TM.getRegisterInfo()); + RegInfo = new (Allocator) MachineRegisterInfo(*TM.getRegisterInfo()); else RegInfo = 0; MFInfo = 0; - FrameInfo = new (Allocator.Allocate()) - MachineFrameInfo(*TM.getFrameInfo()); - ConstantPool = new (Allocator.Allocate()) - MachineConstantPool(TM.getTargetData()); + FrameInfo = new (Allocator) MachineFrameInfo(*TM.getFrameInfo()); + if (Fn->hasFnAttr(Attribute::StackAlignment)) + FrameInfo->setMaxAlignment(Attribute::getStackAlignmentFromAttrs( + Fn->getAttributes().getFnAttributes())); + ConstantPool = new (Allocator) MachineConstantPool(TM.getTargetData()); Alignment = TM.getTargetLowering()->getFunctionAlignment(F); - - // Set up jump table. - const TargetData &TD = *TM.getTargetData(); - bool IsPic = TM.getRelocationModel() == Reloc::PIC_; - unsigned EntrySize = IsPic ? 4 : TD.getPointerSize(); - unsigned TyAlignment = IsPic ? - TD.getABITypeAlignment(Type::getInt32Ty(F->getContext())) - : TD.getPointerABIAlignment(); - JumpTableInfo = new (Allocator.Allocate()) - MachineJumpTableInfo(EntrySize, TyAlignment); + FunctionNumber = FunctionNum; + JumpTableInfo = 0; } MachineFunction::~MachineFunction() { @@ -120,9 +83,23 @@ MachineFunction::~MachineFunction() { } FrameInfo->~MachineFrameInfo(); Allocator.Deallocate(FrameInfo); ConstantPool->~MachineConstantPool(); Allocator.Deallocate(ConstantPool); - JumpTableInfo->~MachineJumpTableInfo(); Allocator.Deallocate(JumpTableInfo); + + if (JumpTableInfo) { + JumpTableInfo->~MachineJumpTableInfo(); + Allocator.Deallocate(JumpTableInfo); + } } +/// getOrCreateJumpTableInfo - Get the JumpTableInfo for this function, if it +/// does already exist, allocate one. +MachineJumpTableInfo *MachineFunction:: +getOrCreateJumpTableInfo(unsigned EntryKind) { + if (JumpTableInfo) return JumpTableInfo; + + JumpTableInfo = new (Allocator) + MachineJumpTableInfo((MachineJumpTableInfo::JTEntryKind)EntryKind); + return JumpTableInfo; +} /// RenumberBlocks - This discards all of the MachineBasicBlock numbers and /// recomputes them. This guarantees that the MBB numbers are sequential, @@ -177,7 +154,7 @@ MachineFunction::CreateMachineInstr(const TargetInstrDesc &TID, } /// CloneMachineInstr - Create a new MachineInstr which is a copy of the -/// 'Orig' instruction, identical in all ways except the the instruction +/// 'Orig' instruction, identical in all ways except the instruction /// has no parent, prev, or next. /// MachineInstr * @@ -216,14 +193,13 @@ MachineMemOperand * MachineFunction::getMachineMemOperand(const Value *v, unsigned f, int64_t o, uint64_t s, unsigned base_alignment) { - return new (Allocator.Allocate()) - MachineMemOperand(v, f, o, s, base_alignment); + return new (Allocator) MachineMemOperand(v, f, o, s, base_alignment); } MachineMemOperand * MachineFunction::getMachineMemOperand(const MachineMemOperand *MMO, int64_t Offset, uint64_t Size) { - return new (Allocator.Allocate()) + return new (Allocator) MachineMemOperand(MMO->getValue(), MMO->getFlags(), int64_t(uint64_t(MMO->getOffset()) + uint64_t(Offset)), @@ -235,18 +211,83 @@ MachineFunction::allocateMemRefsArray(unsigned long Num) { return Allocator.Allocate(Num); } +std::pair +MachineFunction::extractLoadMemRefs(MachineInstr::mmo_iterator Begin, + MachineInstr::mmo_iterator End) { + // Count the number of load mem refs. + unsigned Num = 0; + for (MachineInstr::mmo_iterator I = Begin; I != End; ++I) + if ((*I)->isLoad()) + ++Num; + + // Allocate a new array and populate it with the load information. + MachineInstr::mmo_iterator Result = allocateMemRefsArray(Num); + unsigned Index = 0; + for (MachineInstr::mmo_iterator I = Begin; I != End; ++I) { + if ((*I)->isLoad()) { + if (!(*I)->isStore()) + // Reuse the MMO. + Result[Index] = *I; + else { + // Clone the MMO and unset the store flag. + MachineMemOperand *JustLoad = + getMachineMemOperand((*I)->getValue(), + (*I)->getFlags() & ~MachineMemOperand::MOStore, + (*I)->getOffset(), (*I)->getSize(), + (*I)->getBaseAlignment()); + Result[Index] = JustLoad; + } + ++Index; + } + } + return std::make_pair(Result, Result + Num); +} + +std::pair +MachineFunction::extractStoreMemRefs(MachineInstr::mmo_iterator Begin, + MachineInstr::mmo_iterator End) { + // Count the number of load mem refs. + unsigned Num = 0; + for (MachineInstr::mmo_iterator I = Begin; I != End; ++I) + if ((*I)->isStore()) + ++Num; + + // Allocate a new array and populate it with the store information. + MachineInstr::mmo_iterator Result = allocateMemRefsArray(Num); + unsigned Index = 0; + for (MachineInstr::mmo_iterator I = Begin; I != End; ++I) { + if ((*I)->isStore()) { + if (!(*I)->isLoad()) + // Reuse the MMO. + Result[Index] = *I; + else { + // Clone the MMO and unset the load flag. + MachineMemOperand *JustStore = + getMachineMemOperand((*I)->getValue(), + (*I)->getFlags() & ~MachineMemOperand::MOLoad, + (*I)->getOffset(), (*I)->getSize(), + (*I)->getBaseAlignment()); + Result[Index] = JustStore; + } + ++Index; + } + } + return std::make_pair(Result, Result + Num); +} + void MachineFunction::dump() const { - print(errs()); + print(dbgs()); } void MachineFunction::print(raw_ostream &OS) const { - OS << "# Machine code for " << Fn->getName() << "():\n"; + OS << "# Machine code for function " << Fn->getName() << ":\n"; // Print Frame Information FrameInfo->print(*this, OS); // Print JumpTable Information - JumpTableInfo->print(OS); + if (JumpTableInfo) + JumpTableInfo->print(OS); // Print Constant Pool ConstantPool->print(OS); @@ -254,47 +295,58 @@ void MachineFunction::print(raw_ostream &OS) const { const TargetRegisterInfo *TRI = getTarget().getRegisterInfo(); if (RegInfo && !RegInfo->livein_empty()) { - OS << "Live Ins:"; + OS << "Function Live Ins: "; for (MachineRegisterInfo::livein_iterator I = RegInfo->livein_begin(), E = RegInfo->livein_end(); I != E; ++I) { if (TRI) - OS << " " << TRI->getName(I->first); + OS << "%" << TRI->getName(I->first); else - OS << " Reg #" << I->first; + OS << " %physreg" << I->first; if (I->second) - OS << " in VR#" << I->second << ' '; + OS << " in reg%" << I->second; + + if (llvm::next(I) != E) + OS << ", "; } OS << '\n'; } if (RegInfo && !RegInfo->liveout_empty()) { - OS << "Live Outs:"; + OS << "Function Live Outs: "; for (MachineRegisterInfo::liveout_iterator - I = RegInfo->liveout_begin(), E = RegInfo->liveout_end(); I != E; ++I) + I = RegInfo->liveout_begin(), E = RegInfo->liveout_end(); I != E; ++I){ if (TRI) - OS << ' ' << TRI->getName(*I); + OS << '%' << TRI->getName(*I); else - OS << " Reg #" << *I; + OS << "%physreg" << *I; + + if (llvm::next(I) != E) + OS << " "; + } OS << '\n'; } - for (const_iterator BB = begin(), E = end(); BB != E; ++BB) + for (const_iterator BB = begin(), E = end(); BB != E; ++BB) { + OS << '\n'; BB->print(OS); + } - OS << "\n# End machine code for " << Fn->getName() << "().\n\n"; + OS << "\n# End machine code for function " << Fn->getName() << ".\n\n"; } namespace llvm { template<> struct DOTGraphTraits : public DefaultDOTGraphTraits { + + DOTGraphTraits (bool isSimple=false) : DefaultDOTGraphTraits(isSimple) {} + static std::string getGraphName(const MachineFunction *F) { return "CFG for '" + F->getFunction()->getNameStr() + "' function"; } - static std::string getNodeLabel(const MachineBasicBlock *Node, - const MachineFunction *Graph, - bool ShortNames) { - if (ShortNames && Node->getBasicBlock() && + std::string getNodeLabel(const MachineBasicBlock *Node, + const MachineFunction *Graph) { + if (isSimple () && Node->getBasicBlock() && !Node->getBasicBlock()->getName().empty()) return Node->getBasicBlock()->getNameStr() + ":"; @@ -302,7 +354,7 @@ namespace llvm { { raw_string_ostream OSS(OutStr); - if (ShortNames) + if (isSimple()) OSS << Node->getNumber() << ':'; else Node->print(OSS); @@ -351,14 +403,25 @@ unsigned MachineFunction::addLiveIn(unsigned PReg, return VReg; } -/// getDebugLocTuple - Get the DebugLocTuple for a given DebugLoc object. -DebugLocTuple MachineFunction::getDebugLocTuple(DebugLoc DL) const { - unsigned Idx = DL.getIndex(); - assert(Idx < DebugLocInfo.DebugLocations.size() && - "Invalid index into debug locations!"); - return DebugLocInfo.DebugLocations[Idx]; +/// getJTISymbol - Return the MCSymbol for the specified non-empty jump table. +/// If isLinkerPrivate is specified, an 'l' label is returned, otherwise a +/// normal 'L' label is returned. +MCSymbol *MachineFunction::getJTISymbol(unsigned JTI, MCContext &Ctx, + bool isLinkerPrivate) const { + assert(JumpTableInfo && "No jump tables"); + + assert(JTI < JumpTableInfo->getJumpTables().size() && "Invalid JTI!"); + const MCAsmInfo &MAI = *getTarget().getMCAsmInfo(); + + const char *Prefix = isLinkerPrivate ? MAI.getLinkerPrivateGlobalPrefix() : + MAI.getPrivateGlobalPrefix(); + SmallString<60> Name; + raw_svector_ostream(Name) + << Prefix << "JTI" << getFunctionNumber() << '_' << JTI; + return Ctx.GetOrCreateSymbol(Name.str()); } + //===----------------------------------------------------------------------===// // MachineFrameInfo implementation //===----------------------------------------------------------------------===// @@ -369,9 +432,10 @@ DebugLocTuple MachineFunction::getDebugLocTuple(DebugLoc DL) const { /// index with a negative value. /// int MachineFrameInfo::CreateFixedObject(uint64_t Size, int64_t SPOffset, - bool Immutable) { + bool Immutable, bool isSS) { assert(Size != 0 && "Cannot allocate zero size fixed stack objects!"); - Objects.insert(Objects.begin(), StackObject(Size, 1, SPOffset, Immutable)); + Objects.insert(Objects.begin(), StackObject(Size, 1, SPOffset, Immutable, + isSS)); return -++NumFixedObjects; } @@ -408,12 +472,16 @@ MachineFrameInfo::getPristineRegs(const MachineBasicBlock *MBB) const { void MachineFrameInfo::print(const MachineFunction &MF, raw_ostream &OS) const{ + if (Objects.empty()) return; + const TargetFrameInfo *FI = MF.getTarget().getFrameInfo(); int ValOffset = (FI ? FI->getOffsetOfLocalArea() : 0); + OS << "Frame Objects:\n"; + for (unsigned i = 0, e = Objects.size(); i != e; ++i) { const StackObject &SO = Objects[i]; - OS << " : "; + OS << " fi#" << (int)(i-NumFixedObjects) << ": "; if (SO.Size == ~0ULL) { OS << "dead\n"; continue; @@ -421,15 +489,14 @@ void MachineFrameInfo::print(const MachineFunction &MF, raw_ostream &OS) const{ if (SO.Size == 0) OS << "variable sized"; else - OS << "size is " << SO.Size << " byte" << (SO.Size != 1 ? "s," : ","); - OS << " alignment is " << SO.Alignment << " byte" - << (SO.Alignment != 1 ? "s," : ","); + OS << "size=" << SO.Size; + OS << ", align=" << SO.Alignment; if (i < NumFixedObjects) - OS << " fixed"; + OS << ", fixed"; if (i < NumFixedObjects || SO.SPOffset != -1) { int64_t Off = SO.SPOffset - ValOffset; - OS << " at location [SP"; + OS << ", at location [SP"; if (Off > 0) OS << "+" << Off; else if (Off < 0) @@ -438,61 +505,104 @@ void MachineFrameInfo::print(const MachineFunction &MF, raw_ostream &OS) const{ } OS << "\n"; } - - if (HasVarSizedObjects) - OS << " Stack frame contains variable sized objects\n"; } void MachineFrameInfo::dump(const MachineFunction &MF) const { - print(MF, errs()); + print(MF, dbgs()); } //===----------------------------------------------------------------------===// // MachineJumpTableInfo implementation //===----------------------------------------------------------------------===// -/// getJumpTableIndex - Create a new jump table entry in the jump table info -/// or return an existing one. +/// getEntrySize - Return the size of each entry in the jump table. +unsigned MachineJumpTableInfo::getEntrySize(const TargetData &TD) const { + // The size of a jump table entry is 4 bytes unless the entry is just the + // address of a block, in which case it is the pointer size. + switch (getEntryKind()) { + case MachineJumpTableInfo::EK_BlockAddress: + return TD.getPointerSize(); + case MachineJumpTableInfo::EK_GPRel32BlockAddress: + case MachineJumpTableInfo::EK_LabelDifference32: + case MachineJumpTableInfo::EK_Custom32: + return 4; + case MachineJumpTableInfo::EK_Inline: + return 0; + } + assert(0 && "Unknown jump table encoding!"); + return ~0; +} + +/// getEntryAlignment - Return the alignment of each entry in the jump table. +unsigned MachineJumpTableInfo::getEntryAlignment(const TargetData &TD) const { + // The alignment of a jump table entry is the alignment of int32 unless the + // entry is just the address of a block, in which case it is the pointer + // alignment. + switch (getEntryKind()) { + case MachineJumpTableInfo::EK_BlockAddress: + return TD.getPointerABIAlignment(); + case MachineJumpTableInfo::EK_GPRel32BlockAddress: + case MachineJumpTableInfo::EK_LabelDifference32: + case MachineJumpTableInfo::EK_Custom32: + return TD.getABIIntegerTypeAlignment(32); + case MachineJumpTableInfo::EK_Inline: + return 1; + } + assert(0 && "Unknown jump table encoding!"); + return ~0; +} + +/// createJumpTableIndex - Create a new jump table entry in the jump table info. /// -unsigned MachineJumpTableInfo::getJumpTableIndex( +unsigned MachineJumpTableInfo::createJumpTableIndex( const std::vector &DestBBs) { assert(!DestBBs.empty() && "Cannot create an empty jump table!"); - for (unsigned i = 0, e = JumpTables.size(); i != e; ++i) - if (JumpTables[i].MBBs == DestBBs) - return i; - JumpTables.push_back(MachineJumpTableEntry(DestBBs)); return JumpTables.size()-1; } /// ReplaceMBBInJumpTables - If Old is the target of any jump tables, update /// the jump tables to branch to New instead. -bool -MachineJumpTableInfo::ReplaceMBBInJumpTables(MachineBasicBlock *Old, - MachineBasicBlock *New) { +bool MachineJumpTableInfo::ReplaceMBBInJumpTables(MachineBasicBlock *Old, + MachineBasicBlock *New) { assert(Old != New && "Not making a change?"); bool MadeChange = false; - for (size_t i = 0, e = JumpTables.size(); i != e; ++i) { - MachineJumpTableEntry &JTE = JumpTables[i]; - for (size_t j = 0, e = JTE.MBBs.size(); j != e; ++j) - if (JTE.MBBs[j] == Old) { - JTE.MBBs[j] = New; - MadeChange = true; - } - } + for (size_t i = 0, e = JumpTables.size(); i != e; ++i) + ReplaceMBBInJumpTable(i, Old, New); + return MadeChange; +} + +/// ReplaceMBBInJumpTable - If Old is a target of the jump tables, update +/// the jump table to branch to New instead. +bool MachineJumpTableInfo::ReplaceMBBInJumpTable(unsigned Idx, + MachineBasicBlock *Old, + MachineBasicBlock *New) { + assert(Old != New && "Not making a change?"); + bool MadeChange = false; + MachineJumpTableEntry &JTE = JumpTables[Idx]; + for (size_t j = 0, e = JTE.MBBs.size(); j != e; ++j) + if (JTE.MBBs[j] == Old) { + JTE.MBBs[j] = New; + MadeChange = true; + } return MadeChange; } void MachineJumpTableInfo::print(raw_ostream &OS) const { - // FIXME: this is lame, maybe we could print out the MBB numbers or something - // like {1, 2, 4, 5, 3, 0} + if (JumpTables.empty()) return; + + OS << "Jump Tables:\n"; + for (unsigned i = 0, e = JumpTables.size(); i != e; ++i) { - OS << " has " << JumpTables[i].MBBs.size() - << " entries\n"; + OS << " jt#" << i << ": "; + for (unsigned j = 0, f = JumpTables[i].MBBs.size(); j != f; ++j) + OS << " BB#" << JumpTables[i].MBBs[j]->getNumber(); } + + OS << '\n'; } -void MachineJumpTableInfo::dump() const { print(errs()); } +void MachineJumpTableInfo::dump() const { print(dbgs()); } //===----------------------------------------------------------------------===// @@ -518,22 +628,67 @@ MachineConstantPool::~MachineConstantPool() { delete Constants[i].Val.MachineCPVal; } +/// CanShareConstantPoolEntry - Test whether the given two constants +/// can be allocated the same constant pool entry. +static bool CanShareConstantPoolEntry(const Constant *A, const Constant *B, + const TargetData *TD) { + // Handle the trivial case quickly. + if (A == B) return true; + + // If they have the same type but weren't the same constant, quickly + // reject them. + if (A->getType() == B->getType()) return false; + + // For now, only support constants with the same size. + if (TD->getTypeStoreSize(A->getType()) != TD->getTypeStoreSize(B->getType())) + return false; + + // If a floating-point value and an integer value have the same encoding, + // they can share a constant-pool entry. + if (const ConstantFP *AFP = dyn_cast(A)) + if (const ConstantInt *BI = dyn_cast(B)) + return AFP->getValueAPF().bitcastToAPInt() == BI->getValue(); + if (const ConstantFP *BFP = dyn_cast(B)) + if (const ConstantInt *AI = dyn_cast(A)) + return BFP->getValueAPF().bitcastToAPInt() == AI->getValue(); + + // Two vectors can share an entry if each pair of corresponding + // elements could. + if (const ConstantVector *AV = dyn_cast(A)) + if (const ConstantVector *BV = dyn_cast(B)) { + if (AV->getType()->getNumElements() != BV->getType()->getNumElements()) + return false; + for (unsigned i = 0, e = AV->getType()->getNumElements(); i != e; ++i) + if (!CanShareConstantPoolEntry(AV->getOperand(i), + BV->getOperand(i), TD)) + return false; + return true; + } + + // TODO: Handle other cases. + + return false; +} + /// getConstantPoolIndex - Create a new entry in the constant pool or return /// an existing one. User must specify the log2 of the minimum required /// alignment for the object. /// -unsigned MachineConstantPool::getConstantPoolIndex(Constant *C, +unsigned MachineConstantPool::getConstantPoolIndex(const Constant *C, unsigned Alignment) { assert(Alignment && "Alignment must be specified!"); if (Alignment > PoolAlignment) PoolAlignment = Alignment; - + // Check to see if we already have this constant. // // FIXME, this could be made much more efficient for large constant pools. for (unsigned i = 0, e = Constants.size(); i != e; ++i) - if (Constants[i].Val.ConstVal == C && - (Constants[i].getAlignment() & (Alignment - 1)) == 0) + if (!Constants[i].isMachineConstantPoolEntry() && + CanShareConstantPoolEntry(Constants[i].Val.ConstVal, C, TD)) { + if ((unsigned)Constants[i].getAlignment() < Alignment) + Constants[i].Alignment = Alignment; return i; + } Constants.push_back(MachineConstantPoolEntry(C, Alignment)); return Constants.size()-1; @@ -556,15 +711,18 @@ unsigned MachineConstantPool::getConstantPoolIndex(MachineConstantPoolValue *V, } void MachineConstantPool::print(raw_ostream &OS) const { + if (Constants.empty()) return; + + OS << "Constant Pool:\n"; for (unsigned i = 0, e = Constants.size(); i != e; ++i) { - OS << " is"; + OS << " cp#" << i << ": "; if (Constants[i].isMachineConstantPoolEntry()) Constants[i].Val.MachineCPVal->print(OS); else OS << *(Value*)Constants[i].Val.ConstVal; - OS << " , alignment=" << Constants[i].getAlignment(); + OS << ", align=" << Constants[i].getAlignment(); OS << "\n"; } } -void MachineConstantPool::dump() const { print(errs()); } +void MachineConstantPool::dump() const { print(dbgs()); }