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Speculatively revert r79375, which may be breaking bootstrap, although in a

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rather obscure way (the other candidate is r79377).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79426 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2009-08-19 16:25:25 +00:00
parent dc4bdcdef1
commit ecbd0bc478
1 changed files with 10 additions and 15 deletions
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25
lib/Support/raw_ostream.cpp
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@ -123,24 +123,19 @@ raw_ostream &raw_ostream::operator<<(long N) {
}
raw_ostream &raw_ostream::operator<<(unsigned long long N) {
// Handle simple case when value fits in long already.
// Output using 32-bit div/mod when possible.
if (N == static_cast<unsigned long>(N))
return this->operator<<(static_cast<unsigned long>(N));
// Otherwise divide into at two or three 10**9 chunks and write out using
// long div/mod, this is substantially faster on a 32-bit system.
unsigned long Top = 0, Mid = 0, Bot = N % 1000000000;
N /= 1000000000;
if (N > 1000000000) {
Mid = N % 1000000000;
Top = N / 1000000000;
} else
Mid = N;
if (Top)
this->operator<<(static_cast<unsigned long>(Top));
this->operator<<(static_cast<unsigned long>(Mid));
return this->operator<<(static_cast<unsigned long>(Bot));
char NumberBuffer[20];
char *EndPtr = NumberBuffer+sizeof(NumberBuffer);
char *CurPtr = EndPtr;
while (N) {
*--CurPtr = '0' + char(N % 10);
N /= 10;
}
return write(CurPtr, EndPtr-CurPtr);
}
raw_ostream &raw_ostream::operator<<(long long N) {