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1212 Commits

Author SHA1 Message Date
John McCall df951bddb8 Make APInt::countLeadingZerosSlowCase() treat the contents of padding bits 
as undefined.  Fixes an assertion in APFloat::toString noticed by Dale.

llvm-svn: 95196
 2010-02-03 03:42:44 +00:00
Benjamin Kramer ef14f80e95 Fix MSVC build. 
llvm-svn: 94809
 2010-01-29 15:19:06 +00:00
Benjamin Kramer b17c58674e Convert some users of ftostr to raw_ostream. 
llvm-svn: 94808
 2010-01-29 14:42:22 +00:00
Benjamin Kramer 6bee24ae9a Use llvm::format instead of ftostr (which just calls sprintf). 
llvm-svn: 94807
 2010-01-29 14:40:33 +00:00
Benjamin Kramer 29063eac23 Replace strcpy with memcpy when we have the length around anyway. 
llvm-svn: 94746
 2010-01-28 18:04:38 +00:00
Mikhail Glushenkov 76be2d1cca Make SMDiagnostic::Print a const method. 
llvm-svn: 94672
 2010-01-27 10:13:28 +00:00
Mikhail Glushenkov 84afae33a9 Trailing whitespace. 
llvm-svn: 94671
 2010-01-27 10:13:11 +00:00
Dan Gohman 3f8ed9e1ae Fix a typo that several people pointed out. Also, address the case of 
wrapping that Duncan pointed out.

llvm-svn: 94547
 2010-01-26 15:56:18 +00:00
Dan Gohman 5325efc5af Add a comment about a missed opportunity. 
llvm-svn: 94507
 2010-01-26 04:13:15 +00:00
Dan Gohman 837ada7692 Print empty and full sets specially. 
llvm-svn: 94506
 2010-01-26 04:12:55 +00:00
Chris Lattner 1386a88c95 Changes to fix buffering that I forgot to commit with previous patch. 
llvm-svn: 94222
 2010-01-22 21:16:10 +00:00
Chris Lattner 8fa0e35f97 add a new MCAsmStreamer::GetCommentOS method to simplify stuff 
that doesn't want to use twines.

llvm-svn: 94199
 2010-01-22 19:17:48 +00:00
Dan Gohman 7c6759094a Avoid printing a spurious semicolon when there is no filename. 
llvm-svn: 94071
 2010-01-21 10:13:27 +00:00
David Greene 35dca86659 Fix an infinite recursion problem. dbgs() should return errs() in 
release mode.

llvm-svn: 94001
 2010-01-20 15:27:19 +00:00
Benjamin Kramer 608fd2b606 Fix refacto reported by Nicolas Geoffray. 
llvm-svn: 93723
 2010-01-18 12:40:05 +00:00
Bill Wendling efda1e4f0f Temporarily revert r93581. It was causing failures in the ExecutionEngine tests 
on the build bots.

llvm-svn: 93606
 2010-01-16 01:06:58 +00:00
Ted Kremenek 12821816c6 BumpPtrAllocator: Have the DefaultSlabAllocator created at runtime, not initialization time. This removes one of the 'init_constructors' reported in <rdar://problem/7545356>. 
llvm-svn: 93581
 2010-01-15 23:29:34 +00:00
Benjamin Kramer 2e06b93f43 Introduce Twine::toStringRef, a variant of toVector which avoids the copy if the 
twine can be represented as a single StringRef. Use the new methode to simplify
some twine users.

llvm-svn: 93317
 2010-01-13 12:45:23 +00:00
Benjamin Kramer 93ad708a46 Remove unused string functions. 
llvm-svn: 93183
 2010-01-11 20:33:12 +00:00
Benjamin Kramer 6bf8240762 Add StrInStrNoCase, a StringRef version of CStrInCStrNoCase. 
llvm-svn: 93174
 2010-01-11 19:45:18 +00:00
Benjamin Kramer 0ef736fef2 Turns out llvm-gcc still uses SplitString with a vector. Add it back until I 
have a fix.

llvm-svn: 93163
 2010-01-11 18:44:35 +00:00
Benjamin Kramer c6fe3c3273 Reimplement getToken and SplitString as "StringRef helper functions" 
- getToken is modeled after StringRef::split but it can split on multiple
  separator chars and skips leading seperators.
- SplitString is a StringRef::split variant for more than 2 elements with the
  same behaviour as getToken.

llvm-svn: 93161
 2010-01-11 18:03:24 +00:00
Duncan Sands a230552b94 Suppress use of uninitialized variable warning. 
llvm-svn: 93046
 2010-01-09 08:30:33 +00:00
Douglas Gregor 47ed966813 More trivial optimizations to a function well outside the critical path 
llvm-svn: 92896
 2010-01-07 02:24:06 +00:00
Douglas Gregor 09470e6a4e Switch StringRef::edit_distance over to using raw pointers, since both 
std::vector and llvm::SmallVector have annoying performance
tradeoffs. No, I don't expect this to matter, and now it won't.

llvm-svn: 92884
 2010-01-07 00:51:54 +00:00
David Greene 9d24d0c3e6 Change errs() to dbgs(). 
llvm-svn: 92646
 2010-01-05 01:29:03 +00:00
David Greene 649efc4656 Change errs() to dbgs(). 
llvm-svn: 92645
 2010-01-05 01:28:58 +00:00
David Greene f32fcb4d31 Change errs() to dbgs(). 
llvm-svn: 92643
 2010-01-05 01:28:52 +00:00
David Greene b28b1ed1a8 Change errs() to dbgs(). 
llvm-svn: 92642
 2010-01-05 01:28:47 +00:00
David Greene 93a522baba Change errs() to dbgs(). 
llvm-svn: 92641
 2010-01-05 01:28:43 +00:00
David Greene f92e6718bc Change errs() to dbgs(). 
llvm-svn: 92640
 2010-01-05 01:28:40 +00:00
David Greene de7b353652 Change errs() to dbgs(). 
llvm-svn: 92638
 2010-01-05 01:28:32 +00:00
David Greene 80604d5f09 Change errs() to dbgs(). 
llvm-svn: 92637
 2010-01-05 01:28:29 +00:00
Douglas Gregor 5639af4eac Document the edit-distance algorithm used in StringRef, switch it over 
to SmallVector, and add a unit test.

llvm-svn: 92340
 2009-12-31 04:24:34 +00:00
Douglas Gregor 165882c240 Implement edit distance for StringRef 
llvm-svn: 92309
 2009-12-30 17:23:44 +00:00
Chris Lattner 93163c401e Do not crash when .ll printing metadata that smells like debug info, but isn't. 
llvm-svn: 92268
 2009-12-29 21:17:33 +00:00
Chris Lattner 0709a2790a fix indentation, fit in 80 cols. 
llvm-svn: 92267
 2009-12-29 21:09:57 +00:00
Chris Lattner 3b32672733 fix .cpp file to not wrap the entire file in namespace blocks. 
llvm-svn: 92250
 2009-12-29 07:28:33 +00:00
John McCall dd5044ac55 Implement support for converting to string at "natural precision", and fix some 
major bugs in long-precision conversion.

llvm-svn: 92150
 2009-12-24 23:18:09 +00:00
John McCall e6212ace38 Substantially optimize APFloat::toString() by doing a single large divide to 
cut the significand down to the desired precision *before* entering the
core divmod loop.  Makes the overall algorithm logarithmic in the exponent.

There's still a lot of room for improvement here, but this gets the
performance back down to acceptable-for-diagnostics levels, even for
long doubles.
negligible, even on long doubles.

llvm-svn: 92130
 2009-12-24 12:16:56 +00:00
John McCall 29b5c284ae Add accessors for the largest-magnitude, smallest-magnitude, and 
smallest-normalized-magnitude values in a given FP semantics.
Provide an APFloat-to-string conversion which I am quite ready to admit could
be much more efficient.

llvm-svn: 92126
 2009-12-24 08:56:26 +00:00
John McCall bd8d1e35a6 Set Remainder before Quotient in case Quotient and LHS alias. The new 
order should be immune to such problems.

llvm-svn: 92124
 2009-12-24 08:52:06 +00:00
David Greene b760d0cde9 Clarify how dbgs() operates. 
llvm-svn: 92083
 2009-12-23 23:23:15 +00:00
Chris Lattner bd7b13f07f sizeof(char) is always 1. 
llvm-svn: 92079
 2009-12-23 23:03:24 +00:00
Douglas Gregor 3ab9e5077f De-bork CMake build 
llvm-svn: 92003
 2009-12-23 17:03:46 +00:00
David Greene 64506db8e8 Provide dbgs(), a circular-buffering debug output stream. By default it 
simply passes output to errs().  If -debug-buffer-size=N is set N > 0,
dbgs() buffers its output until program termination and dumps the last N
characters sent to it.  This is handy when debugging very large inputs.

llvm-svn: 92002
 2009-12-23 16:39:06 +00:00
David Greene 7ffbb50edf Add circular_raw_ostream, which buffers its output in a circular queue 
and outputs it when explicitly flushed.  The intent is to use it in
situations such as debug output logging where a signal handler can take
care of flushing the buffer at program termination.

llvm-svn: 92001
 2009-12-23 16:08:15 +00:00
Chris Lattner dd3e9aaad3 Make some methods const. The only interesting change here is that 
it changes raw_fd_ostream::preferred_buffer_size to return zero on
a scary stat failure instead of setting the stream to an error state.
This method really should not mutate the stream.

llvm-svn: 91740
 2009-12-19 01:38:42 +00:00
Chris Lattner 4ea86c460a now that libsystem no longer uses SmallVector, we can move 
SmallVectorBase::grow_pod out of line, finally satisfying PR3758.

llvm-svn: 91529
 2009-12-16 08:44:24 +00:00
Dan Gohman fd5de58ec1 Micro-optimize these functions in the case where they are not inlined. 
llvm-svn: 91316
 2009-12-14 19:32:31 +00:00