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If we want to emit things in enum order, use getInstructionsByEnumValue to

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get the order, don't compute it ourselves.

Don't emit stuff like (14<<0), emit 14 instead.

Don't attempt to get target properties for builtin instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25672 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-01-27 01:44:09 +00:00
parent 387e4bdf00
commit f52e2618f3
1 changed files with 25 additions and 15 deletions
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40
utils/TableGen/InstrInfoEmitter.cpp
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@ -93,7 +93,6 @@ void InstrInfoEmitter::run(std::ostream &OS) {
CodeGenTarget Target;
const std::string &TargetName = Target.getName();
Record *InstrInfo = Target.getInstructionSet();
Record *PHI = InstrInfo->getValueAsDef("PHIInst");
// Emit empty implicit uses and defs lists
OS << "static const unsigned EmptyImpList[] = { 0 };\n";
@ -144,19 +143,16 @@ void InstrInfoEmitter::run(std::ostream &OS) {
}
}
// Emit all of the TargetInstrDescriptor records.
// Emit all of the TargetInstrDescriptor records in their ENUM ordering.
//
OS << "\nstatic const TargetInstrDescriptor " << TargetName
<< "Insts[] = {\n";
emitRecord(Target.getPHIInstruction(), 0, InstrInfo, EmittedLists,
OperandInfosEmitted, OS);
std::vector<const CodeGenInstruction*> NumberedInstructions;
Target.getInstructionsByEnumValue(NumberedInstructions);
unsigned i = 0;
for (CodeGenTarget::inst_iterator II = Target.inst_begin(),
E = Target.inst_end(); II != E; ++II)
if (II->second.TheDef != PHI)
emitRecord(II->second, ++i, InstrInfo, EmittedLists,
OperandInfosEmitted, OS);
for (unsigned i = 0, e = NumberedInstructions.size(); i != e; ++i)
emitRecord(*NumberedInstructions[i], i, InstrInfo, EmittedLists,
OperandInfosEmitted, OS);
OS << "};\n";
OS << "} // End llvm namespace \n";
}
@ -272,8 +268,13 @@ void InstrInfoEmitter::emitShiftedValue(Record *R, StringInit *Val,
RecordVal *RV = R->getValue(Val->getValue());
int Shift = ShiftInt->getValue();
if (RV == 0 || RV->getValue() == 0)
throw R->getName() + " doesn't have a field named '" + Val->getValue()+"'!";
if (RV == 0 || RV->getValue() == 0) {
// This isn't an error if this is a builtin instruction.
if (R->getName() != "PHI" && R->getName() != "INLINEASM")
throw R->getName() + " doesn't have a field named '" +
Val->getValue() + "'!";
return;
}
Init *Value = RV->getValue();
if (BitInit *BI = dynamic_cast<BitInit*>(Value)) {
@ -284,13 +285,22 @@ void InstrInfoEmitter::emitShiftedValue(Record *R, StringInit *Val,
Init *I = BI->convertInitializerTo(new IntRecTy());
if (I)
if (IntInit *II = dynamic_cast<IntInit*>(I)) {
if (II->getValue())
OS << "|(" << II->getValue() << "<<" << Shift << ")";
if (II->getValue()) {
if (Shift)
OS << "|(" << II->getValue() << "<<" << Shift << ")";
else
OS << "|" << II->getValue();
}
return;
}
} else if (IntInit *II = dynamic_cast<IntInit*>(Value)) {
if (II->getValue()) OS << "|(" << II->getValue() << "<<" << Shift << ")";
if (II->getValue()) {
if (Shift)
OS << "|(" << II->getValue() << "<<" << Shift << ")";
else
OS << II->getValue();
}
return;
}