// printOperand - print operand of insn.
void PIC16AsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
const MachineOperand &MO = MI->getOperand(opNum);
- const Function *F = MI->getParent()->getParent()->getFunction();
switch (MO.getType()) {
case MachineOperand::MO_Register:
}
case MachineOperand::MO_ExternalSymbol: {
const char *Sname = MO.getSymbolName();
- std::string Printname = Sname;
- // Intrinsic stuff needs to be renamed if we are printing IL fn.
- if (PAN::isIntrinsicStuff(Printname)) {
- if (PAN::isISR(F->getSection())) {
- Printname = PAN::Rename(Sname);
- }
- // Record these decls, we need to print them in asm as extern.
- LibcallDecls.push_back(createESName(Printname));
+ // If its a libcall name, record it to decls section.
+ if (PAN::getSymbolTag(Sname) == PAN::LIBCALL)
+ LibcallDecls.push_back(Sname);
+
+ // Record a call to intrinsic to print the extern declaration for it.
+ std::string Sym = Sname;
+ if (PAN::isMemIntrinsic(Sym)) {
+ Sym = PAN::addPrefix(Sym);
+ LibcallDecls.push_back(createESName(Sym));
}
- O << Printname;
+ O << Sym;
break;
}
case MachineOperand::MO_MachineBasicBlock:
return Func1 + tag;
}
- // Get the retval label for the given function.
static std::string getRetvalLabel(const std::string &Func) {
std::string Func1 = addPrefix(Func);
std::string tag = getTagName(RET_LABEL);
return Func1 + tag;
}
- // Get the argument label for the given function.
static std::string getArgsLabel(const std::string &Func) {
std::string Func1 = addPrefix(Func);
std::string tag = getTagName(ARGS_LABEL);
return Func1 + tag;
}
- // Get the tempdata label for the given function.
static std::string getTempdataLabel(const std::string &Func) {
std::string Func1 = addPrefix(Func);
std::string tag = getTagName(TEMPS_LABEL);
return false;
}
-
inline static bool isMemIntrinsic (const std::string &Name) {
if (Name.compare("@memcpy") == 0 || Name.compare("@memset") == 0 ||
Name.compare("@memmove") == 0) {
return false;
}
- // Currently names of libcalls are assigned during TargetLowering
- // object construction. There is no provision to change the when the
- // code for a function IL function being generated.
- // So we have to change these names while printing assembly.
- // We need to do that mainly for names related to intrinsics. This
- // function returns true if a name needs to be cloned.
- inline static bool isIntrinsicStuff(const std::string &Name) {
- // Return true if the name contains LIBCALL marker, or a MemIntrinisc.
- // these are mainly ARGS_LABEL, RET_LABEL, and the LIBCALL name itself.
- if ((Name.find(getTagName(LIBCALL)) != std::string::npos)
- || isMemIntrinsic(Name))
- return true;
-
- return false;
- }
-
- // Rename the name for IL.
- inline static std::string Rename(const std::string &Name) {
- std::string Newname;
- // If its a label (LIBCALL+Func+LABEL), change it to
- // (LIBCALL+Func+IL+LABEL).
- TAGS id = getSymbolTag(Name);
- if (id == ARGS_LABEL || id == RET_LABEL) {
- std::size_t pos = Name.find(getTagName(id));
- Newname = Name.substr(0, pos) + ".IL" + getTagName(id);
- return Newname;
- }
-
- // Else, just append IL to name.
- return Name + ".IL";
- }
-
-
-
-
inline static bool isLocalToFunc (std::string &Func, std::string &Var) {
if (! isLocalName(Var)) return false;
return true;
if (isDirectLoad(Op.getOperand(1))) {
- if (Op.getOperand(1).hasOneUse()) {
- // Legal and profitable folding check uses the NodeId of DAG nodes.
- // This NodeId is assigned by topological order. Therefore first
- // assign topological order then perform legal and profitable check.
- // Note:- Though this ordering is done before begining with legalization,
- // newly added node during legalization process have NodeId=-1 (NewNode)
- // therefore before performing any check proper ordering of the node is
- // required.
- DAG.AssignTopologicalOrder();
-
- // Direct load operands are folded in binary operations. But before folding
- // verify if this folding is legal. Fold only if it is legal otherwise
- // convert this direct load to a separate memory operation.
- if(ISel->IsLegalToFold(Op.getOperand(1), Op.getNode(), Op.getNode()))
- return false;
- else
- MemOp = 1;
- }
+ if (Op.getOperand(1).hasOneUse())
+ return false;
+ else
+ MemOp = 1;
}
return true;
}
// Such a case may occur when the function has been declarated
// in the C source code but its body exists in assembly file.
if (!CalledF->isDeclaration()) {
- Function *cf = cloneFunction(CalledF);
- remapAllSites(CGN->getFunction(), CalledF, cf);
+ cloneFunction(CalledF);
+ // FIXME: remap all the call sites here.
} else {
// It is called only from ISR. Still mark it as we need this info
// in code gen while calling intrinsics.Function is not marked.