}
MachineFunction::MachineFunction(const Function *F, const TargetMachine &TM,
- unsigned FunctionNum, MachineModuleInfo &mmi,
- GCModuleInfo* gmi)
- : Fn(F), Target(TM), Ctx(mmi.getContext()), MMI(mmi), GMI(gmi) {
- if (TM.getSubtargetImpl()->getRegisterInfo())
- RegInfo = new (Allocator) MachineRegisterInfo(TM);
+ unsigned FunctionNum, MachineModuleInfo &mmi)
+ : Fn(F), Target(TM), STI(TM.getSubtargetImpl(*F)), Ctx(mmi.getContext()),
+ MMI(mmi) {
+ if (STI->getRegisterInfo())
+ RegInfo = new (Allocator) MachineRegisterInfo(this);
else
RegInfo = nullptr;
MFInfo = nullptr;
- FrameInfo =
- new (Allocator) MachineFrameInfo(TM,!F->hasFnAttribute("no-realign-stack"));
+ FrameInfo = new (Allocator)
+ MachineFrameInfo(STI->getFrameLowering()->getStackAlignment(),
+ STI->getFrameLowering()->isStackRealignable(),
+ !F->hasFnAttribute("no-realign-stack"));
- if (Fn->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
- Attribute::StackAlignment))
- FrameInfo->ensureMaxAlignment(Fn->getAttributes().
- getStackAlignment(AttributeSet::FunctionIndex));
+ if (Fn->hasFnAttribute(Attribute::StackAlignment))
+ FrameInfo->ensureMaxAlignment(Fn->getFnStackAlignment());
ConstantPool = new (Allocator) MachineConstantPool(TM);
- Alignment =
- TM.getSubtargetImpl()->getTargetLowering()->getMinFunctionAlignment();
+ Alignment = STI->getTargetLowering()->getMinFunctionAlignment();
// FIXME: Shouldn't use pref alignment if explicit alignment is set on Fn.
- if (!Fn->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
- Attribute::OptimizeForSize))
- Alignment = std::max(
- Alignment,
- TM.getSubtargetImpl()->getTargetLowering()->getPrefFunctionAlignment());
+ if (!Fn->hasFnAttribute(Attribute::OptimizeForSize))
+ Alignment = std::max(Alignment,
+ STI->getTargetLowering()->getPrefFunctionAlignment());
FunctionNumber = FunctionNum;
JumpTableInfo = nullptr;
MachineMemOperand(MachinePointerInfo(MMO->getValue(),
MMO->getOffset()+Offset),
MMO->getFlags(), Size,
- MMO->getBaseAlignment(), nullptr);
+ MMO->getBaseAlignment());
return new (Allocator)
MachineMemOperand(MachinePointerInfo(MMO->getPseudoValue(),
MMO->getOffset()+Offset),
MMO->getFlags(), Size,
- MMO->getBaseAlignment(), nullptr);
+ MMO->getBaseAlignment());
}
MachineInstr::mmo_iterator
// Print Constant Pool
ConstantPool->print(OS);
- const TargetRegisterInfo *TRI =
- getTarget().getSubtargetImpl()->getRegisterInfo();
+ const TargetRegisterInfo *TRI = getSubtarget().getRegisterInfo();
if (RegInfo && !RegInfo->livein_empty()) {
OS << "Function Live Ins: ";
DOTGraphTraits (bool isSimple=false) : DefaultDOTGraphTraits(isSimple) {}
static std::string getGraphName(const MachineFunction *F) {
- return "CFG for '" + F->getName().str() + "' function";
+ return ("CFG for '" + F->getName() + "' function").str();
}
std::string getNodeLabel(const MachineBasicBlock *Node,
/// normal 'L' label is returned.
MCSymbol *MachineFunction::getJTISymbol(unsigned JTI, MCContext &Ctx,
bool isLinkerPrivate) const {
- const DataLayout *DL = getTarget().getSubtargetImpl()->getDataLayout();
+ const DataLayout *DL = getTarget().getDataLayout();
assert(JumpTableInfo && "No jump tables");
assert(JTI < JumpTableInfo->getJumpTables().size() && "Invalid JTI!");
SmallString<60> Name;
raw_svector_ostream(Name)
<< Prefix << "JTI" << getFunctionNumber() << '_' << JTI;
- return Ctx.GetOrCreateSymbol(Name.str());
+ return Ctx.GetOrCreateSymbol(Name);
}
/// getPICBaseSymbol - Return a function-local symbol to represent the PIC
/// base.
MCSymbol *MachineFunction::getPICBaseSymbol() const {
- const DataLayout *DL = getTarget().getSubtargetImpl()->getDataLayout();
+ const DataLayout *DL = getTarget().getDataLayout();
return Ctx.GetOrCreateSymbol(Twine(DL->getPrivateGlobalPrefix())+
Twine(getFunctionNumber())+"$pb");
}
// MachineFrameInfo implementation
//===----------------------------------------------------------------------===//
-const TargetFrameLowering *MachineFrameInfo::getFrameLowering() const {
- return TM.getSubtargetImpl()->getFrameLowering();
-}
-
/// ensureMaxAlignment - Make sure the function is at least Align bytes
/// aligned.
void MachineFrameInfo::ensureMaxAlignment(unsigned Align) {
- if (!getFrameLowering()->isStackRealignable() || !RealignOption)
- assert(Align <= getFrameLowering()->getStackAlignment() &&
+ if (!StackRealignable || !RealignOption)
+ assert(Align <= StackAlignment &&
"For targets without stack realignment, Align is out of limit!");
if (MaxAlignment < Align) MaxAlignment = Align;
}
int MachineFrameInfo::CreateStackObject(uint64_t Size, unsigned Alignment,
bool isSS, const AllocaInst *Alloca) {
assert(Size != 0 && "Cannot allocate zero size stack objects!");
- Alignment =
- clampStackAlignment(!getFrameLowering()->isStackRealignable() ||
- !RealignOption,
- Alignment, getFrameLowering()->getStackAlignment());
- Objects.push_back(StackObject(Size, Alignment, 0, false, isSS, Alloca));
+ Alignment = clampStackAlignment(!StackRealignable || !RealignOption,
+ Alignment, StackAlignment);
+ Objects.push_back(StackObject(Size, Alignment, 0, false, isSS, Alloca,
+ !isSS));
int Index = (int)Objects.size() - NumFixedObjects - 1;
assert(Index >= 0 && "Bad frame index!");
ensureMaxAlignment(Alignment);
///
int MachineFrameInfo::CreateSpillStackObject(uint64_t Size,
unsigned Alignment) {
- Alignment = clampStackAlignment(
- !getFrameLowering()->isStackRealignable() || !RealignOption, Alignment,
- getFrameLowering()->getStackAlignment());
+ Alignment = clampStackAlignment(!StackRealignable || !RealignOption,
+ Alignment, StackAlignment);
CreateStackObject(Size, Alignment, true);
int Index = (int)Objects.size() - NumFixedObjects - 1;
ensureMaxAlignment(Alignment);
int MachineFrameInfo::CreateVariableSizedObject(unsigned Alignment,
const AllocaInst *Alloca) {
HasVarSizedObjects = true;
- Alignment = clampStackAlignment(
- !getFrameLowering()->isStackRealignable() || !RealignOption, Alignment,
- getFrameLowering()->getStackAlignment());
- Objects.push_back(StackObject(0, Alignment, 0, false, false, Alloca));
+ Alignment = clampStackAlignment(!StackRealignable || !RealignOption,
+ Alignment, StackAlignment);
+ Objects.push_back(StackObject(0, Alignment, 0, false, false, Alloca, true));
ensureMaxAlignment(Alignment);
return (int)Objects.size()-NumFixedObjects-1;
}
/// index with a negative value.
///
int MachineFrameInfo::CreateFixedObject(uint64_t Size, int64_t SPOffset,
- bool Immutable) {
+ bool Immutable, bool isAliased) {
assert(Size != 0 && "Cannot allocate zero size fixed stack objects!");
// The alignment of the frame index can be determined from its offset from
// the incoming frame position. If the frame object is at offset 32 and
// the stack is guaranteed to be 16-byte aligned, then we know that the
// object is 16-byte aligned.
- unsigned StackAlign = getFrameLowering()->getStackAlignment();
- unsigned Align = MinAlign(SPOffset, StackAlign);
- Align = clampStackAlignment(!getFrameLowering()->isStackRealignable() ||
- !RealignOption,
- Align, getFrameLowering()->getStackAlignment());
+ unsigned Align = MinAlign(SPOffset, StackAlignment);
+ Align = clampStackAlignment(!StackRealignable || !RealignOption, Align,
+ StackAlignment);
Objects.insert(Objects.begin(), StackObject(Size, Align, SPOffset, Immutable,
/*isSS*/ false,
- /*Alloca*/ nullptr));
+ /*Alloca*/ nullptr, isAliased));
return -++NumFixedObjects;
}
/// on the stack. Returns an index with a negative value.
int MachineFrameInfo::CreateFixedSpillStackObject(uint64_t Size,
int64_t SPOffset) {
- unsigned StackAlign = getFrameLowering()->getStackAlignment();
- unsigned Align = MinAlign(SPOffset, StackAlign);
- Align = clampStackAlignment(!getFrameLowering()->isStackRealignable() ||
- !RealignOption,
- Align, getFrameLowering()->getStackAlignment());
+ unsigned Align = MinAlign(SPOffset, StackAlignment);
+ Align = clampStackAlignment(!StackRealignable || !RealignOption, Align,
+ StackAlignment);
Objects.insert(Objects.begin(), StackObject(Size, Align, SPOffset,
/*Immutable*/ true,
/*isSS*/ true,
- /*Alloca*/ nullptr));
+ /*Alloca*/ nullptr,
+ /*isAliased*/ false));
return -++NumFixedObjects;
}
assert(MBB && "MBB must be valid");
const MachineFunction *MF = MBB->getParent();
assert(MF && "MBB must be part of a MachineFunction");
- const TargetMachine &TM = MF->getTarget();
- const TargetRegisterInfo *TRI = TM.getSubtargetImpl()->getRegisterInfo();
+ const TargetRegisterInfo *TRI = MF->getSubtarget().getRegisterInfo();
BitVector BV(TRI->getNumRegs());
// Before CSI is calculated, no registers are considered pristine. They can be
}
unsigned MachineFrameInfo::estimateStackSize(const MachineFunction &MF) const {
- const TargetFrameLowering *TFI =
- MF.getTarget().getSubtargetImpl()->getFrameLowering();
- const TargetRegisterInfo *RegInfo =
- MF.getTarget().getSubtargetImpl()->getRegisterInfo();
+ const TargetFrameLowering *TFI = MF.getSubtarget().getFrameLowering();
+ const TargetRegisterInfo *RegInfo = MF.getSubtarget().getRegisterInfo();
unsigned MaxAlign = getMaxAlignment();
int Offset = 0;
void MachineFrameInfo::print(const MachineFunction &MF, raw_ostream &OS) const{
if (Objects.empty()) return;
- const TargetFrameLowering *FI =
- MF.getTarget().getSubtargetImpl()->getFrameLowering();
+ const TargetFrameLowering *FI = MF.getSubtarget().getFrameLowering();
int ValOffset = (FI ? FI->getOffsetOfLocalArea() : 0);
OS << "Frame Objects:\n";
void MachineConstantPoolValue::anchor() { }
const DataLayout *MachineConstantPool::getDataLayout() const {
- return TM.getSubtargetImpl()->getDataLayout();
+ return TM.getDataLayout();
}
Type *MachineConstantPoolEntry::getType() const {
switch (getRelocationInfo()) {
default:
llvm_unreachable("Unknown section kind");
- case 2:
+ case Constant::GlobalRelocations:
Kind = SectionKind::getReadOnlyWithRel();
break;
- case 1:
+ case Constant::LocalRelocation:
Kind = SectionKind::getReadOnlyWithRelLocal();
break;
- case 0:
+ case Constant::NoRelocation:
switch (DL->getTypeAllocSize(getType())) {
case 4:
Kind = SectionKind::getMergeableConst4();
Kind = SectionKind::getMergeableConst16();
break;
default:
- Kind = SectionKind::getMergeableConst();
+ Kind = SectionKind::getReadOnly();
break;
}
}
// DataLayout.
if (isa<PointerType>(A->getType()))
A = ConstantFoldInstOperands(Instruction::PtrToInt, IntTy,
- const_cast<Constant*>(A), TD);
+ const_cast<Constant *>(A), *TD);
else if (A->getType() != IntTy)
A = ConstantFoldInstOperands(Instruction::BitCast, IntTy,
- const_cast<Constant*>(A), TD);
+ const_cast<Constant *>(A), *TD);
if (isa<PointerType>(B->getType()))
B = ConstantFoldInstOperands(Instruction::PtrToInt, IntTy,
- const_cast<Constant*>(B), TD);
+ const_cast<Constant *>(B), *TD);
else if (B->getType() != IntTy)
B = ConstantFoldInstOperands(Instruction::BitCast, IntTy,
- const_cast<Constant*>(B), TD);
+ const_cast<Constant *>(B), *TD);
return A == B;
}
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