void WinException::computeIP2StateTable(
const MachineFunction *MF, const WinEHFuncInfo &FuncInfo,
SmallVectorImpl<std::pair<const MCExpr *, int>> &IPToStateTable) {
for (MachineFunction::const_iterator FuncletStart = MF->begin(),
FuncletEnd = MF->begin(),
End = MF->end();
FuncletStart != End; FuncletStart = FuncletEnd) {
// Find the end of the funclet
while (++FuncletEnd != End) {
if (FuncletEnd->isEHFuncletEntry()) {
break;
}
}
// Don't emit ip2state entries for cleanup funclets. Any interesting
// exceptional actions in cleanups must be handled in a separate IR
// function.
if (FuncletStart->isCleanupFuncletEntry())
continue;
MCSymbol *StartLabel;
int BaseState;
if (FuncletStart == MF->begin()) {
BaseState = NullState;
StartLabel = Asm->getFunctionBegin();
} else {
auto *FuncletPad =
cast<FuncletPadInst>(FuncletStart->getBasicBlock()->getFirstNonPHI());
assert(FuncInfo.FuncletBaseStateMap.count(FuncletPad) != 0);
BaseState = FuncInfo.FuncletBaseStateMap.find(FuncletPad)->second;
StartLabel = getMCSymbolForMBB(Asm, &*FuncletStart);
}
assert(StartLabel && "need local function start label");
IPToStateTable.push_back(
std::make_pair(create32bitRef(StartLabel), BaseState));
for (const auto &StateChange : InvokeStateChangeIterator::range(
FuncInfo, FuncletStart, FuncletEnd, BaseState)) {
// Compute the label to report as the start of this entry; use the EH
// start label for the invoke if we have one, otherwise (this is a call
// which may unwind to our caller and does not have an EH start label, so)
// use the previous end label.
const MCSymbol *ChangeLabel = StateChange.NewStartLabel;
if (!ChangeLabel)
ChangeLabel = StateChange.PreviousEndLabel;
// Emit an entry indicating that PCs after 'Label' have this EH state.
IPToStateTable.push_back(
std::make_pair(getLabelPlusOne(ChangeLabel), StateChange.NewState));
// FIXME: assert that NewState is between CatchLow and CatchHigh.
}
}
}
/// runOnMachineFunction - This uses the printMachineInstruction()
/// method to print assembly for each instruction.
///
bool SparcAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
SetupMachineFunction(MF);
// Print out constants referenced by the function
EmitConstantPool(MF.getConstantPool());
// BBNumber is used here so that a given Printer will never give two
// BBs the same name. (If you have a better way, please let me know!)
static unsigned BBNumber = 0;
O << "\n\n";
// What's my mangled name?
CurrentFnName = Mang->getValueName(MF.getFunction());
// Print out the label for the function.
const Function *F = MF.getFunction();
SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
EmitAlignment(4, F);
O << "\t.globl\t" << CurrentFnName << "\n";
O << "\t.type\t" << CurrentFnName << ", #function\n";
O << CurrentFnName << ":\n";
// Number each basic block so that we can consistently refer to them
// in PC-relative references.
// FIXME: Why not use the MBB numbers?
NumberForBB.clear();
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
NumberForBB[I->getBasicBlock()] = BBNumber++;
}
// Print out code for the function.
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
if (I != MF.begin()) {
printBasicBlockLabel(I, true);
O << '\n';
}
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
// Print the assembly for the instruction.
O << "\t";
printInstruction(II);
++EmittedInsts;
}
}
// We didn't modify anything.
return false;
}
bool AccessFrequency::runOnMachineFunction(MachineFunction &mf)
{
MF = &mf;
MRI = &mf.getRegInfo();
TRI = MF->getTarget().getRegisterInfo();
m_nVars = 0;
const llvm::Function *fn = mf.getFunction();
std::string szMain = "main";
if(fn->getName() != szMain && g_hFuncCall[szMain].find(fn->getName()) == g_hFuncCall[szMain].end() )
{
errs() << "--------qali:--------Skip function " << fn->getName() << " in AccessFrequency !\n";
return true;
}
for (MachineFunction::const_iterator FI = MF->begin(), FE = MF->end();
FI != FE; ++FI)
{
double dFactor = 0.0;
const BasicBlock *bb = FI->getBasicBlock();
if( bb != NULL )
{
//const std::map<const Function *, std::map<const BasicBlock *, double> > &hF2B2Acc =(SP->BlockInformation);
std::map<const Function *, std::map<const BasicBlock *, double> >::const_iterator f2b2acc_p, E = g_hF2B2Acc->end();
if( (f2b2acc_p = g_hF2B2Acc->find(fn) ) != E )
{
std::map<const BasicBlock *, double>::const_iterator b2acc_p, EE = f2b2acc_p->second.end();
if( (b2acc_p = f2b2acc_p->second.find(bb) ) != EE )
dFactor = b2acc_p->second;
}
}
if( dFactor == 0.0 )
dFactor = 1.0;
for (MachineBasicBlock::const_iterator BBI = FI->begin(), BBE = FI->end();
BBI != BBE; ++BBI)
{
DEBUG(BBI->print(dbgs(), NULL ));
//MachineInstr *MI = BBI;
for (unsigned i = 0, e = BBI->getNumOperands(); i != e; ++ i)
{
const MachineOperand &MO = BBI->getOperand(i);
// TODO (qali#1#): To hack other kinds of MachineOperands
switch (MO.getType() )
{
case MachineOperand::MO_Register:
if( MO.getReg() != 0
&& TargetRegisterInfo::isVirtualRegister(MO.getReg()) )
{
unsigned MOReg = MO.getReg();
unsigned int nSize = getRegSize(MOReg);
if( MO.isUse() )
{
int nAcc = ROUND(dFactor);
m_RegReadMap[MOReg] = m_RegReadMap[MOReg] + dFactor;
//if( nAcc >= 1)
m_SimTrace.push_back(llvm::TraceRecord(MOReg, nAcc));
}
else if( MO.isDef())
{
int nAcc = ROUND(dFactor);
m_RegWriteMap[MOReg] = m_RegWriteMap[MOReg] + dFactor;
//if( nAcc >= 1)
m_SimTrace.push_back(llvm::TraceRecord(MOReg, nAcc, false));
}
else
assert("Unrecoganized operation in AccessFrequency::runOnMachineFunction!\n");
}
break;
default:
break;
}
}
// Analyze the memoperations
if(!BBI->memoperands_empty() )
{
for( MachineInstr::mmo_iterator i = BBI->memoperands_begin(), e = BBI->memoperands_end();
i != e; ++ i) {
if( (*i)->isLoad() )
{
const char *tmp = (**i).getValue()->getName().data();
m_StackReadMap[tmp] ++;
}
else if( (*i)->isStore())
{
const char *tmp = (**i).getValue()->getName().data();
m_StackWriteMap[tmp] ++;
}
else
{
assert(false);
dbgs() << __FILE__ << __LINE__;
}
}
}
}
}
m_nVars = m_RegReadMap.size();
//print(afout);
//printInt(afout);
//reset();
std::string szInfo;
std::string szSrcFile = mf.getMMI().getModule()->getModuleIdentifier();
std::string szFile = szSrcFile + ".accInt";
raw_fd_ostream accIfout(szFile.c_str(), szInfo, raw_fd_ostream::F_Append );
printInt(accIfout);
accIfout.close();
szFile = szSrcFile + ".acc";
raw_fd_ostream accfout(szFile.c_str(), szInfo, raw_fd_ostream::F_Append );
print(accfout);
accfout.close();
szFile = szSrcFile + "." + "var";
raw_fd_ostream varfout(szFile.c_str(), szInfo, raw_fd_ostream::F_Append );
printVars(varfout);
varfout.close();
szFile = szSrcFile + ".read";
raw_fd_ostream readfout(szFile.c_str(), szInfo, raw_fd_ostream::F_Append );
printRead(readfout);
readfout.close();
szFile = szSrcFile + ".write";
raw_fd_ostream writefout(szFile.c_str(), szInfo, raw_fd_ostream::F_Append );
printWrite(writefout);
writefout.close();
szFile = szSrcFile + ".size";
raw_fd_ostream sizefout(szFile.c_str(), szInfo, raw_fd_ostream::F_Append );
printSize(sizefout);
sizefout.close();
return true;
}