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22 Commits

Author SHA1 Message Date
Michael J. Spencer
326990f1eb Fix Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120166 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-26 04:16:08 +00:00
Ted Kremenek
13302ec089 Fix memory leak in StringRef::edit_distance(). 'Allocated' could be leaked on an early return. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118370 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-07 06:09:02 +00:00
Douglas Gregor
5ee568ac27 Extend StringRef's edit-distance algorithm to permit an upper bound on the allowed edit distance 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116867 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 22:13:48 +00:00
Benjamin Kramer
837bccd052 StringRef::compare_numeric also differed from StringRef::compare for characters > 127. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112189 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 15:25:35 +00:00
Benjamin Kramer
0043e35b82 Do unsigned char comparisons in StringRef::compare_lower to be more consistent with compare in corner cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112185 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 14:21:08 +00:00
Benjamin Kramer
250eb005d9 Avoid O(n*m) complexity in StringRef::find_first(_not)_of(StringRef). 
- Cache used characters in a bitset to reduce memory overhead to just 32 bytes.
- On my core2 this code is faster except when the checked string was very short
  (smaller than the list of delimiters).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111817 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 18:16:08 +00:00
Jakob Stoklund Olesen
160a3bf74d Add StringRef::compare_numeric and use it to sort TableGen register records. 
This means that our Registers are now ordered R7, R8, R9, R10, R12, ...
Not R1, R10, R11, R12, R2, R3, ...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104745 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 21:47:28 +00:00
John McCall
1e7ad3993d Add an override to StringRef::getAsInteger which parses into an APInt. 
It gets its own implementation totally divorced from the (presumably
performance-sensitive) routines which parse into a uint64_t.

Add APInt::operator|=(uint64_t), which is situationally much better than
using a full APInt.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97381 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-28 09:55:58 +00:00
Douglas Gregor
2772ea831c More trivial optimizations to a function well outside the critical path 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92896 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 02:24:06 +00:00
Douglas Gregor
ad6b6da8aa 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92884 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-07 00:51:54 +00:00
Douglas Gregor
7e54d5b156 Document the edit-distance algorithm used in StringRef, switch it over 
to SmallVector, and add a unit test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92340 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-31 04:24:34 +00:00
Douglas Gregor
441c8b4ad1 Implement edit distance for StringRef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92309 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-30 17:23:44 +00:00
Daniel Dunbar
58ce7acb4f Use StringRef::min instead of std::min. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89372 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-19 18:53:18 +00:00
Benjamin Kramer
05872ea804 Add compare_lower and equals_lower methods to StringRef. Switch all users of 
StringsEqualNoCase (from StringExtras.h) to it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87020 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-12 20:36:59 +00:00
Daniel Dunbar
64066bd8b5 Add From arguments to StringRef search functions, and tweak doxyments. 
Also, add unittests for find_first_of and find_first_not_of.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86770 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-11 00:28:53 +00:00
Daniel Dunbar
2928c83b01 Pass StringRef by value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86251 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-06 10:58:06 +00:00
Daniel Dunbar
77696bebbc Workaround what I believe is an MSVC bug where it emits a definition for a 
static const class member into each translation unit, with external linkage???
 - If someone understands this issue better, please clue me in, I haven't
   consulted the standard yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82516 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-22 03:34:40 +00:00
Chris Lattner
6441e547cc simplify as daniel suggests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82415 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-20 22:56:43 +00:00
Chris Lattner
05a32c8ab1 move a couple non-trivial methods out of line, add new 
find_first_of/find_first_of methods.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82347 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-20 01:22:16 +00:00
Chris Lattner
63c6b7dc67 add some more overloads of StringRef::getAsInteger for 
common and useful integer types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82338 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-19 23:58:48 +00:00
Chris Lattner
cea1438cf5 provide a "strtoull" operation that works on StringRef's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82322 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-19 19:47:14 +00:00
Daniel Dunbar
e65512809a Add StringRef::{rfind, rsplit} 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82087 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 22:38:48 +00:00