ProfileBinOpInit(ID, getOpcode(), getLHS(), getRHS(), getType());
}
+static StringInit *ConcatStringInits(const StringInit *I0,
+ const StringInit *I1) {
+ SmallString<80> Concat(I0->getValue());
+ Concat.append(I1->getValue());
+ return StringInit::get(Concat);
+}
+
Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
switch (getOpcode()) {
case CONCAT: {
case STRCONCAT: {
StringInit *LHSs = dyn_cast<StringInit>(LHS);
StringInit *RHSs = dyn_cast<StringInit>(RHS);
- if (LHSs && RHSs) {
- // STRCONCAT is common; Use a SmallString to avoid most heap allocations.
- SmallString<80> Concat(LHSs->getValue());
- Concat.append(RHSs->getValue());
- return StringInit::get(Concat);
- }
+ if (LHSs && RHSs)
+ return ConcatStringInits(LHSs, RHSs);
break;
}
case EQ: {
return Defs;
}
+static Init *GetStrConcat(Init *I0, Init *I1) {
+ // Shortcut for the common case of concatenating two strings.
+ if (const StringInit *I0s = dyn_cast<StringInit>(I0))
+ if (const StringInit *I1s = dyn_cast<StringInit>(I1))
+ return ConcatStringInits(I0s, I1s);
+ return BinOpInit::get(BinOpInit::STRCONCAT, I0, I1, StringRecTy::get());
+}
+
Init *llvm::QualifyName(Record &CurRec, MultiClass *CurMultiClass,
Init *Name, StringRef Scoper) {
- RecTy *Type = cast<TypedInit>(Name)->getType();
-
- BinOpInit *NewName =
- BinOpInit::get(BinOpInit::STRCONCAT,
- BinOpInit::get(BinOpInit::STRCONCAT,
- CurRec.getNameInit(),
- StringInit::get(Scoper),
- Type)->Fold(&CurRec, CurMultiClass),
- Name,
- Type);
-
+ Init *NewName = GetStrConcat(CurRec.getNameInit(), StringInit::get(Scoper));
+ NewName = GetStrConcat(NewName, Name);
if (CurMultiClass && Scoper != "::") {
- NewName =
- BinOpInit::get(BinOpInit::STRCONCAT,
- BinOpInit::get(BinOpInit::STRCONCAT,
- CurMultiClass->Rec.getNameInit(),
- StringInit::get("::"),
- Type)->Fold(&CurRec, CurMultiClass),
- NewName->Fold(&CurRec, CurMultiClass),
- Type);
+ Init *Prefix = GetStrConcat(CurMultiClass->Rec.getNameInit(),
+ StringInit::get("::"));
+ NewName = GetStrConcat(Prefix, NewName);
}
- return NewName->Fold(&CurRec, CurMultiClass);
+ if (BinOpInit *BinOp = dyn_cast<BinOpInit>(NewName))
+ NewName = BinOp->Fold(&CurRec, CurMultiClass);
+ return NewName;
}
Init *llvm::QualifyName(Record &CurRec, MultiClass *CurMultiClass,