RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-19 11:02:59 +02:00
Code Issues Projects Releases Wiki Activity

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

Browse Source 
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.

llvm-svn: 25672
This commit is contained in:
Chris Lattner 2006-01-27 01:44:09 +00:00
parent a932c5aafb
commit c3d295a47c
1 changed files with 25 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
utils/TableGen/InstrInfoEmitter.cpp
View File

@ -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;
}