b04d4af057
Do unsigned char comparisons in StringRef::compare_lower to be more consistent with compare in corner cases.
...
llvm-svn: 112185
2010-08-26 14:21:08 +00:00
08fd2cf26a
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).
llvm-svn: 111817
2010-08-23 18:16:08 +00:00
d1d7ed63ff
Add StringRef::compare_numeric and use it to sort TableGen register records.
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This means that our Registers are now ordered R7, R8, R9, R10, R12, ...
Not R1, R10, R11, R12, R2, R3, ...
llvm-svn: 104745
2010-05-26 21:47:28 +00:00
512b650210
Add an override to StringRef::getAsInteger which parses into an APInt.
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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.
llvm-svn: 97381
2010-02-28 09:55:58 +00:00
47ed966813
More trivial optimizations to a function well outside the critical path
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llvm-svn: 92896
2010-01-07 02:24:06 +00:00
09470e6a4e
Switch StringRef::edit_distance over to using raw pointers, since both
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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
5639af4eac
Document the edit-distance algorithm used in StringRef, switch it over
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to SmallVector, and add a unit test.
llvm-svn: 92340
2009-12-31 04:24:34 +00:00
165882c240
Implement edit distance for StringRef
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llvm-svn: 92309
2009-12-30 17:23:44 +00:00
956c1581fa
Use StringRef::min instead of std::min.
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llvm-svn: 89372
2009-11-19 18:53:18 +00:00
68e4945c03
Add compare_lower and equals_lower methods to StringRef. Switch all users of
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StringsEqualNoCase (from StringExtras.h) to it.
llvm-svn: 87020
2009-11-12 20:36:59 +00:00
9806e4ab20
Add From arguments to StringRef search functions, and tweak doxyments.
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Also, add unittests for find_first_of and find_first_not_of.
llvm-svn: 86770
2009-11-11 00:28:53 +00:00
ad36e8aceb
Pass StringRef by value.
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llvm-svn: 86251
2009-11-06 10:58:06 +00:00
c827d9ee0e
Workaround what I believe is an MSVC bug where it emits a definition for a
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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.
llvm-svn: 82516
2009-09-22 03:34:40 +00:00
5a3a854205
simplify as daniel suggests
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llvm-svn: 82415
2009-09-20 22:56:43 +00:00
372a8ae403
move a couple non-trivial methods out of line, add new
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find_first_of/find_first_of methods.
llvm-svn: 82347
2009-09-20 01:22:16 +00:00
84c1527b6b
add some more overloads of StringRef::getAsInteger for
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common and useful integer types.
llvm-svn: 82338
2009-09-19 23:58:48 +00:00
68ee70035e
provide a "strtoull" operation that works on StringRef's.
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llvm-svn: 82322
2009-09-19 19:47:14 +00:00
4498168753
Add StringRef::{rfind, rsplit}
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llvm-svn: 82087
2009-09-16 22:38:48 +00:00
Benjamin Kramer