-void FoldingSetNodeID::AddString(const std::string &String) {
- unsigned Size = static_cast<unsigned>(String.size());
- Bits.push_back(Size);
- if (!Size) return;
-
- unsigned Units = Size / 4;
- unsigned Pos = 0;
- const unsigned *Base = (const unsigned *)String.data();
-
- // If the string is aligned do a bulk transfer.
- if (!((intptr_t)Base & 3)) {
- Bits.append(Base, Base + Units);
- Pos = (Units + 1) * 4;
- } else {
- // Otherwise do it the hard way.
- for ( Pos += 4; Pos <= Size; Pos += 4) {
- unsigned V = ((unsigned char)String[Pos - 4] << 24) |
- ((unsigned char)String[Pos - 3] << 16) |
- ((unsigned char)String[Pos - 2] << 8) |
- (unsigned char)String[Pos - 1];
- Bits.push_back(V);
- }
- }
-
- // With the leftover bits.
- unsigned V = 0;
- // Pos will have overshot size by 4 - #bytes left over.
- switch (Pos - Size) {
- case 1: V = (V << 8) | (unsigned char)String[Size - 3]; // Fall thru.
- case 2: V = (V << 8) | (unsigned char)String[Size - 2]; // Fall thru.
- case 3: V = (V << 8) | (unsigned char)String[Size - 1]; break;
- default: return; // Nothing left.
- }
-
- Bits.push_back(V);
+// AddNodeID - Adds the Bit data of another ID to *this.
+void FoldingSetNodeID::AddNodeID(const FoldingSetNodeID &ID) {
+ Bits.append(ID.Bits.begin(), ID.Bits.end());