#include "CodeGenInstruction.h"
#include "Record.h"
#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/STLExtras.h"
#include <set>
using namespace llvm;
I->ParseOperandName(Name, false);
// Build the string for the operand
- std::string OpConstraint = "(1 << TOI::EARLY_CLOBBER)";
- if (!I->OperandList[Op.first].Constraints[Op.second].empty())
+ if (!I->OperandList[Op.first].Constraints[Op.second].isNone())
throw "Operand '" + Name + "' cannot have multiple constraints!";
- I->OperandList[Op.first].Constraints[Op.second] = OpConstraint;
+ I->OperandList[Op.first].Constraints[Op.second] =
+ CodeGenInstruction::ConstraintInfo::getEarlyClobber();
return;
}
unsigned FlatOpNo = I->getFlattenedOperandNumber(SrcOp);
- // Build the string for the operand.
- std::string OpConstraint =
- "((" + utostr(FlatOpNo) + " << 16) | (1 << TOI::TIED_TO))";
- if (!I->OperandList[DestOp.first].Constraints[DestOp.second].empty())
+ if (!I->OperandList[DestOp.first].Constraints[DestOp.second].isNone())
throw "Operand '" + DestOpName + "' cannot have multiple constraints!";
- I->OperandList[DestOp.first].Constraints[DestOp.second] = OpConstraint;
+ I->OperandList[DestOp.first].Constraints[DestOp.second] =
+ CodeGenInstruction::ConstraintInfo::getTied(FlatOpNo);
}
static void ParseConstraints(const std::string &CStr, CodeGenInstruction *I) {
hasCtrlDep = R->getValueAsBit("hasCtrlDep");
isNotDuplicable = R->getValueAsBit("isNotDuplicable");
hasSideEffects = R->getValueAsBit("hasSideEffects");
- mayHaveSideEffects = R->getValueAsBit("mayHaveSideEffects");
neverHasSideEffects = R->getValueAsBit("neverHasSideEffects");
isAsCheapAsAMove = R->getValueAsBit("isAsCheapAsAMove");
hasExtraSrcRegAllocReq = R->getValueAsBit("hasExtraSrcRegAllocReq");
hasExtraDefRegAllocReq = R->getValueAsBit("hasExtraDefRegAllocReq");
hasOptionalDef = false;
isVariadic = false;
+ ImplicitDefs = R->getValueAsListOfDefs("Defs");
+ ImplicitUses = R->getValueAsListOfDefs("Uses");
- if (mayHaveSideEffects + neverHasSideEffects + hasSideEffects > 1)
+ if (neverHasSideEffects + hasSideEffects > 1)
throw R->getName() + ": multiple conflicting side-effect flags set!";
- DagInit *DI;
- try {
- DI = R->getValueAsDag("OutOperandList");
- } catch (...) {
- // Error getting operand list, just ignore it (sparcv9).
- AsmString.clear();
- OperandList.clear();
- return;
- }
- NumDefs = DI->getNumArgs();
-
- DagInit *IDI;
- try {
- IDI = R->getValueAsDag("InOperandList");
- } catch (...) {
- // Error getting operand list, just ignore it (sparcv9).
- AsmString.clear();
- OperandList.clear();
- return;
- }
- DI = (DagInit*)(new BinOpInit(BinOpInit::CONCAT, DI, IDI, new DagRecTy))->Fold(R, 0);
-
+ DagInit *OutDI = R->getValueAsDag("OutOperandList");
+
+ if (DefInit *Init = dynamic_cast<DefInit*>(OutDI->getOperator())) {
+ if (Init->getDef()->getName() != "outs")
+ throw R->getName() + ": invalid def name for output list: use 'outs'";
+ } else
+ throw R->getName() + ": invalid output list: use 'outs'";
+
+ NumDefs = OutDI->getNumArgs();
+
+ DagInit *InDI = R->getValueAsDag("InOperandList");
+ if (DefInit *Init = dynamic_cast<DefInit*>(InDI->getOperator())) {
+ if (Init->getDef()->getName() != "ins")
+ throw R->getName() + ": invalid def name for input list: use 'ins'";
+ } else
+ throw R->getName() + ": invalid input list: use 'ins'";
+
unsigned MIOperandNo = 0;
std::set<std::string> OperandNames;
- for (unsigned i = 0, e = DI->getNumArgs(); i != e; ++i) {
- DefInit *Arg = dynamic_cast<DefInit*>(DI->getArg(i));
+ for (unsigned i = 0, e = InDI->getNumArgs()+OutDI->getNumArgs(); i != e; ++i){
+ Init *ArgInit;
+ std::string ArgName;
+ if (i < NumDefs) {
+ ArgInit = OutDI->getArg(i);
+ ArgName = OutDI->getArgName(i);
+ } else {
+ ArgInit = InDI->getArg(i-NumDefs);
+ ArgName = InDI->getArgName(i-NumDefs);
+ }
+
+ DefInit *Arg = dynamic_cast<DefInit*>(ArgInit);
if (!Arg)
throw "Illegal operand for the '" + R->getName() + "' instruction!";
"' in '" + R->getName() + "' instruction!";
// Check that the operand has a name and that it's unique.
- if (DI->getArgName(i).empty())
+ if (ArgName.empty())
throw "In instruction '" + R->getName() + "', operand #" + utostr(i) +
" has no name!";
- if (!OperandNames.insert(DI->getArgName(i)).second)
+ if (!OperandNames.insert(ArgName).second)
throw "In instruction '" + R->getName() + "', operand #" + utostr(i) +
" has the same name as a previous operand!";
- OperandList.push_back(OperandInfo(Rec, DI->getArgName(i), PrintMethod,
+ OperandList.push_back(OperandInfo(Rec, ArgName, PrintMethod,
MIOperandNo, NumOps, MIOpInfo));
MIOperandNo += NumOps;
}
// For backward compatibility: isTwoAddress means operand 1 is tied to
// operand 0.
if (isTwoAddress) {
- if (!OperandList[1].Constraints[0].empty())
+ if (!OperandList[1].Constraints[0].isNone())
throw R->getName() + ": cannot use isTwoAddress property: instruction "
"already has constraint set!";
- OperandList[1].Constraints[0] = "((0 << 16) | (1 << TOI::TIED_TO))";
+ OperandList[1].Constraints[0] =
+ CodeGenInstruction::ConstraintInfo::getTied(0);
}
- // Any operands with unset constraints get 0 as their constraint.
- for (unsigned op = 0, e = OperandList.size(); op != e; ++op)
- for (unsigned j = 0, e = OperandList[op].MINumOperands; j != e; ++j)
- if (OperandList[op].Constraints[j].empty())
- OperandList[op].Constraints[j] = "0";
-
// Parse the DisableEncoding field.
std::string DisableEncoding = R->getValueAsString("DisableEncoding");
while (1) {
- std::string OpName = getToken(DisableEncoding, " ,\t");
+ std::string OpName;
+ tie(OpName, DisableEncoding) = getToken(DisableEncoding, " ,\t");
if (OpName.empty()) break;
// Figure out which operand this is.