DenseMap<Record*, unsigned> NodeXFormMap;
std::vector<Record*> NodeXForms;
- bool useEmitRegister2;
-
public:
- MatcherTableEmitter(const CodeGenDAGPatterns &cgp, bool _useEmitRegister2)
- : CGP(cgp), useEmitRegister2(_useEmitRegister2) {}
+ MatcherTableEmitter(const CodeGenDAGPatterns &cgp)
+ : CGP(cgp) {}
unsigned EmitMatcherList(const Matcher *N, unsigned Indent,
unsigned StartIdx, formatted_raw_ostream &OS);
return 3;
}
- case Matcher::EmitRegister:
- if (useEmitRegister2) {
- OS << "OPC_EmitRegister2, "
- << getEnumName(cast<EmitRegisterMatcher>(N)->getVT()) << ", ";
- if (Record *R = cast<EmitRegisterMatcher>(N)->getReg())
- OS << "TARGET_VAL(" << getQualifiedName(R) << "),\n";
- else {
- OS << "TARGET_VAL(0) ";
- if (!OmitComments)
- OS << "/*zero_reg*/";
- OS << ",\n";
- }
+ case Matcher::EmitRegister: {
+ const EmitRegisterMatcher *Matcher = cast<EmitRegisterMatcher>(N);
+ const CodeGenRegister *Reg = Matcher->getReg();
+ // If the enum value of the register is larger than one byte can handle,
+ // use EmitRegister2.
+ if (Reg && Reg->EnumValue > 255) {
+ OS << "OPC_EmitRegister2, " << getEnumName(Matcher->getVT()) << ", ";
+ OS << "TARGET_VAL(" << getQualifiedName(Reg->TheDef) << "),\n";
return 4;
} else {
- OS << "OPC_EmitRegister, "
- << getEnumName(cast<EmitRegisterMatcher>(N)->getVT()) << ", ";
- if (Record *R = cast<EmitRegisterMatcher>(N)->getReg())
- OS << getQualifiedName(R) << ",\n";
- else {
+ OS << "OPC_EmitRegister, " << getEnumName(Matcher->getVT()) << ", ";
+ if (Reg) {
+ OS << getQualifiedName(Reg->TheDef) << ",\n";
+ } else {
OS << "0 ";
if (!OmitComments)
OS << "/*zero_reg*/";
}
return 3;
}
+ }
case Matcher::EmitConvertToTarget:
OS << "OPC_EmitConvertToTarget, "
void llvm::EmitMatcherTable(const Matcher *TheMatcher,
const CodeGenDAGPatterns &CGP,
- bool useEmitRegister2,
raw_ostream &O) {
formatted_raw_ostream OS(O);
OS << "// The main instruction selector code.\n";
OS << "SDNode *SelectCode(SDNode *N) {\n";
- MatcherTableEmitter MatcherEmitter(CGP, useEmitRegister2);
+ MatcherTableEmitter MatcherEmitter(CGP);
OS << " // Some target values are emitted as 2 bytes, TARGET_VAL handles\n";
OS << " // this.\n";