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2010-08-26StringRef::compare_numeric also differed from StringRef::compare for ↵Benjamin Kramer
characters > 127. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112189 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26Do unsigned char comparisons in StringRef::compare_lower to be more ↵Benjamin Kramer
consistent with compare in corner cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112185 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-19Silence 'unused' warning.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111539 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12Add a 'normalize' method to the Triple class, which takes a mucked upDuncan Sands
target triple and straightens it out. This does less than gcc's script config.sub, for example it turns i386-mingw32 into i386--mingw32 not i386-pc-mingw32, but it does a decent job of turning funky triples into something that the rest of the Triple class can understand. The plan is to use this to canonicalize triple's when they are first provided by users, and have the rest of LLVM only deal with canonical triples. Once this is done the special case workarounds in the Triple constructor can be removed, making the class more regular and easier to use. The comments and unittests for the Triple class are already adjusted in this patch appropriately for this brave new world of increased uniformity. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110909 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-08Remove the ValueMap copy constructor. It's not used anywhere,Duncan Sands
and removing it catches the mistake of passing a ValueMap by copy rather than by reference. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110549 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Fix the ValueMap copy constructor. The issue is that the map keys are valueDuncan Sands
handles with a pointer to the containing map. When a map is copied, these pointers need to be corrected to point to the new map. If not, then consider the case of a map M1 which maps a value V to something. Create a copy M2 of M1. At this point there are two value handles on V, one representing V as a key in M1, the other representing V as a key in M2. But both value handles point to M1 as the containing map. Now delete V. The value handles remove themselves from their containing map (which destroys them), but only the first value handle is successful: the second one cannot remove itself from M1 as (once the first one has removed itself) there is nothing there to remove; it is therefore not destroyed. This causes an assertion failure "All references to V were not removed?". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109851 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-13Switch from EXPECT_EQ({true,false, ...) to the more canonicalChandler Carruth
EXPECT_{TRUE,FALSE}(...) macros. This also prevents suprious warnings about bool-to-pointer conversion that occurs withit EXPECT_EQ. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108248 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-10Use non-bool values for .count.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108048 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-08ADT: Add DAGDeltaAlgorithm, which is a DAG minimization algorithm built on ↵Daniel Dunbar
top of the standard 'delta debugging' algorithm. - This can give substantial speedups in the delta process for inputs we can construct dependency information for. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105612 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26Add StringRef::compare_numeric and use it to sort TableGen register records.Jakob Stoklund Olesen
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
2010-05-13Fix const ilist_node::get{Prev,Next}Node() to actually compile. Picky, picky.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103723 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-12ADT: Add ilist_node::get{Prev,Next}Node, which return the adjacent node or null.Daniel Dunbar
- This provides a convenient alternative to using something llvm::prior or manual iterator access, for example:: if (T *Prev = foo->getPrevNode()) ... instead of:: iterator it(foo); if (it != begin()) { --it; ... } - Chris, please review. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103647 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-30Update BitVectorTest.cpp to stay in sync with SmallBitVectorTest.cpp,Dan Gohman
and fix a bug in BitVector's reference proxy class which this exposed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102768 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-30SmallBitVector: Rework find_first/find_next and tweak test to test them (at ↵Benjamin Kramer
least on 64 bit platforms). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102712 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-30Implement a read/write operator[] for SmallBitVector with a proxy class.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102709 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18silence some unused-value warnings.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101689 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-26Fix SmallVector's insert to handle non-random-access iterators.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99633 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-18Make this test more lenient; with SmallVector now using actuallyDan Gohman
aligned storage, the capacity may be more than what is explicitly requested. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98846 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-17Fix death tests in -Asserts builds.Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98701 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-28Teach APFloat how to create both QNaNs and SNaNs and with arbitrary-widthJohn McCall
payloads. APFloat's internal folding routines always make QNaNs now, instead of sometimes making QNaNs and sometimes SNaNs depending on the type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97364 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26Make APFloat's string-parsing routines a bit safer against very large exponents.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97278 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11Fix (harmless) memory leak found by memcheck.Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95862 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-10Silence GCC warnings.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95779 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-10Implement operators |=, &=, and ^= for SmallBitVector, and remove theDan Gohman
restriction in BitVector for |= and ^= that the operand must be the same length. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95768 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-09Disable unittests/ADT/BitVectorTest on PPC Darwin.Dale Johannesen
It fails with a release build only, for reasons as yet unknown. (If there's a better way to Xfail things here let me know, doesn't seem to be any prior art in unittests.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95700 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-03Make APInt::countLeadingZerosSlowCase() treat the contents of padding bitsJohn McCall
as undefined. Fixes an assertion in APFloat::toString noticed by Dale. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95196 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05Add a SmallBitVector class, which mimics BitVector but uses onlyDan Gohman
a single pointer (PointerIntPair) member. In "small" mode, the pointer field is reinterpreted as a set of bits. In "large" mode, the pointer points to a heap-allocated object. Also, give BitVector empty and swap functions. And, add some simple unittests for BitVector and SmallBitVector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92730 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-31Silence compiler warning.Benjamin Kramer
warning: comparison between signed and unsigned integer expressions git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92359 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-31Document the edit-distance algorithm used in StringRef, switch it overDouglas Gregor
to SmallVector, and add a unit test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92340 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24Implement support for converting to string at "natural precision", and fix someJohn McCall
major bugs in long-precision conversion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92150 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24Move the two definitions of operator<< into namespace llvm, so theyDouglas Gregor
will be found by argument-dependent lookup. As with the previous commit, GCC is allowing ill-formed code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92146 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24Define the new operator<< for sets into namespace std, so thatDouglas Gregor
argument-dependent lookup can find it. This is another case where an LLVM bug (not making operator<< visible) was masked by a GCC bug (looking in the global namespace when it shouldn't). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92144 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24Add accessors for the largest-magnitude, smallest-magnitude, andJohn McCall
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92126 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21Change StringRef::startswith and StringRef::endswith to versions which are aEli Friedman
bit more verbose, but optimize to much shorter code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91817 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-03Add an implementation of the delta debugging algorithm.Daniel Dunbar
- This is a pretty slow / memory intensive implementation, and I will likely change it to an iterative model, but it works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90447 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-19Only run this mutex test if threading is enabled. ThisDuncan Sands
fixes PR5395. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89385 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-19Reenable Split2 StringRef test with Apple gcc.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89357 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-17"XFAIL" the Split2 StringReft test with Apple gcc, which miscompiles it.Daniel Dunbar
- I plan on fixing/workarounding this, but until then I'd like the bots to stay green. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89077 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Distinguish "a," from "a". The first one splits into "a" + "" and the second ↵Rafael Espindola
one into "a" + 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87084 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Switch to smallvector. Also fix issue with using unsigend for MaxSplit.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87068 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Add a new split method to StringRef that puts the substrings in a vector.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87058 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11Add From arguments to StringRef search functions, and tweak doxyments.Daniel Dunbar
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
2009-11-10Fix DenseMap iterator constness.Jeffrey Yasskin
This patch forbids implicit conversion of DenseMap::const_iterator to DenseMap::iterator which was possible because DenseMapIterator inherited (publicly) from DenseMapConstIterator. Conversion the other way around is now allowed as one may expect. The template DenseMapConstIterator is removed and the template parameter IsConst which specifies whether the iterator is constant is added to DenseMapIterator. Actually IsConst parameter is not necessary since the constness can be determined from KeyT but this is not relevant to the fix and can be addressed later. Patch by Victor Zverovich! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86636 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Type.h doesn't need to #include LLVMContext.hChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85254 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-26Move DataTypes.h to include/llvm/System, update all users. This breaks the lastChandler Carruth
direct inclusion edge from System to Support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85086 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23Fix stylistic and documentation problems in ValueMap found by Nick Lewycky andJeffrey Yasskin
Evan Cheng. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84967 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22Try r84890 again (adding ValueMap<>), now that I've tested the compile onJeffrey Yasskin
gcc-4.4. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84902 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22Revert r84890, which broke the linux build.Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84892 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22Add a ValueMap<ValueOrSubclass*, T> type. ValueMap<Value*, T> is safe to useJeffrey Yasskin
even when keys get RAUWed and deleted during its lifetime. By default the keys act like WeakVHs, but users can pass a third template parameter to configure how updates work and whether to do anything beyond updating the map on each action. It's also possible to automatically acquire a lock around ValueMap updates triggered by RAUWs and deletes, to support the ExecutionEngine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84890 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13Pacify the compiler (signed with unsigned comparison) by makingDuncan Sands
these constants unsigned. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83962 91177308-0d34-0410-b5e6-96231b3b80d8
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