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TableGen: Use range based for; reserve vectors where possible

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288650 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthias Braun 2016-12-05 07:00:44 +00:00
parent a3f0e48f72
commit c2e7826e2b
1 changed files with 23 additions and 18 deletions
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41
lib/TableGen/Record.cpp
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@ -562,10 +562,11 @@ Init *ListInit::convertInitializerTo(RecTy *Ty) const {
Init *ListInit::convertInitListSlice(ArrayRef<unsigned> Elements) const {
SmallVector<Init*, 8> Vals;
for (unsigned i = 0, e = Elements.size(); i != e; ++i) {
if (Elements[i] >= size())
Vals.reserve(Elements.size());
for (unsigned Element : Elements) {
if (Element >= size())
return nullptr;
Vals.push_back(getElement(Elements[i]));
Vals.push_back(getElement(Element));
}
return ListInit::get(Vals, getType());
}
@ -614,9 +615,11 @@ Init *ListInit::resolveListElementReference(Record &R, const RecordVal *IRV,
std::string ListInit::getAsString() const {
std::string Result = "[";
for (unsigned i = 0, e = NumValues; i != e; ++i) {
if (i) Result += ", ";
Result += getElement(i)->getAsString();
const char *sep = "";
for (Init *Element : *this) {
Result += sep;
sep = ", ";
Result += Element->getAsString();
}
return Result + "]";
}
@ -989,7 +992,8 @@ static Init *EvaluateOperation(OpInit *RHSo, Init *LHS, Init *Arg,
return ForeachHelper(LHS, Arg, RHSo, Type, CurRec, CurMultiClass);
SmallVector<Init *, 8> NewOperands;
for (unsigned i = 0; i < RHSo->getNumOperands(); ++i) {
NewOperands.reserve(RHSo->getNumOperands());
for (unsigned i = 0, e = RHSo->getNumOperands(); i < e; ++i) {
if (auto *RHSoo = dyn_cast<OpInit>(RHSo->getOperand(i))) {
if (Init *Result = EvaluateOperation(RHSoo, LHS, Arg,
Type, CurRec, CurMultiClass))
@ -1275,12 +1279,13 @@ Init *TypedInit::convertInitializerBitRange(ArrayRef<unsigned> Bits) const {
if (!T) return nullptr; // Cannot subscript a non-bits variable.
unsigned NumBits = T->getNumBits();
SmallVector<Init *, 16> NewBits(Bits.size());
for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
if (Bits[i] >= NumBits)
SmallVector<Init *, 16> NewBits;
NewBits.reserve(Bits.size());
for (unsigned Bit : Bits) {
if (Bit >= NumBits)
return nullptr;
NewBits[i] = VarBitInit::get(const_cast<TypedInit *>(this), Bits[i]);
NewBits.push_back(VarBitInit::get(const_cast<TypedInit *>(this), Bit));
}
return BitsInit::get(NewBits);
}
@ -1294,9 +1299,9 @@ Init *TypedInit::convertInitListSlice(ArrayRef<unsigned> Elements) const {
SmallVector<Init*, 8> ListInits;
ListInits.reserve(Elements.size());
for (unsigned i = 0, e = Elements.size(); i != e; ++i)
for (unsigned Element : Elements)
ListInits.push_back(VarListElementInit::get(const_cast<TypedInit *>(this),
Elements[i]));
Element));
return ListInit::get(ListInits, T);
}
@ -1702,13 +1707,13 @@ void Record::setName(StringRef Name) {
}
void Record::resolveReferencesTo(const RecordVal *RV) {
for (unsigned i = 0, e = Values.size(); i != e; ++i) {
if (RV == &Values[i]) // Skip resolve the same field as the given one
for (RecordVal &Value : Values) {
if (RV == &Value) // Skip resolve the same field as the given one
continue;
if (Init *V = Values[i].getValue())
if (Values[i].setValue(V->resolveReferences(*this, RV)))
if (Init *V = Value.getValue())
if (Value.setValue(V->resolveReferences(*this, RV)))
PrintFatalError(getLoc(), "Invalid value is found when setting '" +
Values[i].getNameInitAsString() +
Value.getNameInitAsString() +
"' after resolving references" +
(RV ? " against '" + RV->getNameInitAsString() +
"' of (" + RV->getValue()->getAsUnquotedString() +