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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31278 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey 2006-10-29 09:19:59 +00:00
parent d8cb446aa2
commit a97c67c866
1 changed files with 4 additions and 1 deletions
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5
lib/Support/FoldingSet.cpp
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@ -51,6 +51,9 @@ void FoldingSetImpl::NodeID::AddDouble(double D) {
}
void FoldingSetImpl::NodeID::AddString(const std::string &String) {
unsigned Size = String.size();
Bits.push_back(Size);
if (!Size) return;
unsigned Units = Size / 4;
unsigned Pos = 0;
const unsigned *Base = (const unsigned *)String.data();
@ -58,7 +61,7 @@ void FoldingSetImpl::NodeID::AddString(const std::string &String) {
// If the string is aligned do a bulk transfer.
if (!((intptr_t)Base & 3)) {
Bits.append(Base, Base + Units);
Pos = Units * sizeof(unsigned);
Pos = (Units + 1) * 4;
} else {
// Otherwise do it the hard way.
for ( Pos += 4; Pos <= Size; Pos += 4) {