//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
+#include "llvm/DerivedTypes.h"
+#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineInstr.h"
-#include "llvm/CodeGen/SSARegMap.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
-#include "llvm/CodeGen/MachineConstantPool.h"
+#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetFrameInfo.h"
#include "llvm/Function.h"
namespace {
struct VISIBILITY_HIDDEN Printer : public MachineFunctionPass {
+ static char ID;
+
std::ostream *OS;
const std::string Banner;
- Printer (std::ostream *_OS, const std::string &_Banner) :
- OS (_OS), Banner (_Banner) { }
+ Printer (std::ostream *_OS, const std::string &_Banner)
+ : MachineFunctionPass((intptr_t)&ID), OS (_OS), Banner (_Banner) { }
const char *getPassName() const { return "MachineFunction Printer"; }
return false;
}
};
+ char Printer::ID = 0;
}
/// Returns a newly-created MachineFunction Printer pass. The default output
namespace {
struct VISIBILITY_HIDDEN Deleter : public MachineFunctionPass {
+ static char ID;
+ Deleter() : MachineFunctionPass((intptr_t)&ID) {}
+
const char *getPassName() const { return "Machine Code Deleter"; }
bool runOnMachineFunction(MachineFunction &MF) {
return true;
}
};
+ char Deleter::ID = 0;
}
/// MachineCodeDeletion Pass - This pass deletes all of the machine code for
}
void ilist_traits<MachineBasicBlock>::transferNodesFromList(
- iplist<MachineBasicBlock, ilist_traits<MachineBasicBlock> >& toList,
- ilist_iterator<MachineBasicBlock> first,
- ilist_iterator<MachineBasicBlock> last) {
- if (Parent != toList.Parent)
- for (; first != last; ++first)
- first->Parent = toList.Parent;
+ iplist<MachineBasicBlock, ilist_traits<MachineBasicBlock> >& toList,
+ ilist_iterator<MachineBasicBlock> first,
+ ilist_iterator<MachineBasicBlock> last) {
+ // If splicing withing the same function, no change.
+ if (Parent == toList.Parent) return;
+
+ for (; first != last; ++first)
+ first->setParent(toList.Parent);
}
MachineFunction::MachineFunction(const Function *F,
const TargetMachine &TM)
- : Annotation(MF_AID), Fn(F), Target(TM), UsedPhysRegs(0) {
- SSARegMapping = new SSARegMap();
+ : Annotation(MF_AID), Fn(F), Target(TM) {
+ RegInfo = new MachineRegisterInfo(*TM.getRegisterInfo());
MFInfo = 0;
- FrameInfo = new MachineFrameInfo();
+ FrameInfo = new MachineFrameInfo(*TM.getFrameInfo());
ConstantPool = new MachineConstantPool(TM.getTargetData());
- JumpTableInfo = new MachineJumpTableInfo(TM.getTargetData());
+
+ // Set up jump table.
+ const TargetData &TD = *TM.getTargetData();
+ bool IsPic = TM.getRelocationModel() == Reloc::PIC_;
+ unsigned EntrySize = IsPic ? 4 : TD.getPointerSize();
+ unsigned Alignment = IsPic ? TD.getABITypeAlignment(Type::Int32Ty)
+ : TD.getPointerABIAlignment();
+ JumpTableInfo = new MachineJumpTableInfo(EntrySize, Alignment);
+
BasicBlocks.Parent = this;
}
MachineFunction::~MachineFunction() {
BasicBlocks.clear();
- delete SSARegMapping;
+ delete RegInfo;
delete MFInfo;
delete FrameInfo;
delete ConstantPool;
delete JumpTableInfo;
- delete[] UsedPhysRegs;
}
// Print Constant Pool
getConstantPool()->print(OS);
- const MRegisterInfo *MRI = getTarget().getRegisterInfo();
+ const TargetRegisterInfo *TRI = getTarget().getRegisterInfo();
- if (livein_begin() != livein_end()) {
+ if (!RegInfo->livein_empty()) {
OS << "Live Ins:";
- for (livein_iterator I = livein_begin(), E = livein_end(); I != E; ++I) {
- if (MRI)
- OS << " " << MRI->getName(I->first);
+ for (MachineRegisterInfo::livein_iterator
+ I = RegInfo->livein_begin(), E = RegInfo->livein_end(); I != E; ++I) {
+ if (TRI)
+ OS << " " << TRI->getName(I->first);
else
OS << " Reg #" << I->first;
}
OS << "\n";
}
- if (liveout_begin() != liveout_end()) {
+ if (!RegInfo->liveout_empty()) {
OS << "Live Outs:";
- for (liveout_iterator I = liveout_begin(), E = liveout_end(); I != E; ++I)
- if (MRI)
- OS << " " << MRI->getName(*I);
+ for (MachineRegisterInfo::liveout_iterator
+ I = RegInfo->liveout_begin(), E = RegInfo->liveout_end(); I != E; ++I)
+ if (TRI)
+ OS << " " << TRI->getName(*I);
else
OS << " Reg #" << *I;
OS << "\n";
return *mc;
}
-void MachineFunction::clearSSARegMap() {
- delete SSARegMapping;
- SSARegMapping = 0;
-}
-
//===----------------------------------------------------------------------===//
// MachineFrameInfo implementation
//===----------------------------------------------------------------------===//
+/// CreateFixedObject - Create a new object at a fixed location on the stack.
+/// All fixed objects should be created before other objects are created for
+/// efficiency. By default, fixed objects are immutable. This returns an
+/// index with a negative value.
+///
+int MachineFrameInfo::CreateFixedObject(uint64_t Size, int64_t SPOffset,
+ bool Immutable) {
+ assert(Size != 0 && "Cannot allocate zero size fixed stack objects!");
+ Objects.insert(Objects.begin(), StackObject(Size, 1, SPOffset, Immutable));
+ return -++NumFixedObjects;
+}
+
+
void MachineFrameInfo::print(const MachineFunction &MF, std::ostream &OS) const{
int ValOffset = MF.getTarget().getFrameInfo()->getOffsetOfLocalArea();
if (i < NumFixedObjects)
OS << " fixed";
if (i < NumFixedObjects || SO.SPOffset != -1) {
- int Off = SO.SPOffset - ValOffset;
+ int64_t Off = SO.SPOffset - ValOffset;
OS << " at location [SP";
if (Off > 0)
OS << "+" << Off;
}
}
-unsigned MachineJumpTableInfo::getEntrySize() const {
- return TD->getPointerSize();
-}
-
-unsigned MachineJumpTableInfo::getAlignment() const {
- return TD->getPointerAlignment();
-}
-
void MachineJumpTableInfo::dump() const { print(*cerr.stream()); }
unsigned Offset = 0;
if (!Constants.empty()) {
Offset = Constants.back().getOffset();
- Offset += TD->getTypeSize(Constants.back().getType());
+ Offset += TD->getABITypeSize(Constants.back().getType());
Offset = (Offset+AlignMask)&~AlignMask;
}
unsigned Offset = 0;
if (!Constants.empty()) {
Offset = Constants.back().getOffset();
- Offset += TD->getTypeSize(Constants.back().getType());
+ Offset += TD->getABITypeSize(Constants.back().getType());
Offset = (Offset+AlignMask)&~AlignMask;
}
Constants[i].Val.MachineCPVal->print(OS);
else
OS << *(Value*)Constants[i].Val.ConstVal;
- OS << " , offset=" << Constants[i].Offset;
+ OS << " , offset=" << Constants[i].getOffset();
OS << "\n";
}
}
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