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2009-05-20Add an accessor method to return the insertion point.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72184 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-20Have llvm_start_multithreaded return a bool indicating whether multithreadedOwen Anderson
initialization succeeded or not, rather than just asserting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72182 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-20Add llvm_start_multithreaded(), which starts up the LLVM internals in ↵Owen Anderson
thread-safe mode. Provide double-check locking initialization of ManagedStatic's when running in thread-safe mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72151 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-16Back out the thread-safe ManagedStatic for now. Too many people have too ↵Owen Anderson
many problems with it for the moment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71931 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-15Factor out some common code, fix more typoes, and add a memory fence that ↵Owen Anderson
might be needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71853 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-15Fix an unfortunate typo.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71852 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-15Now with working on Leopard!Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71819 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-14Make ManagedStatic threadsafe by using atomic operations.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71796 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-13Add an int64_t variant of abs, for host environmentsDale Johannesen
without one. Use it where we were using abs on int64_t objects. (I strongly suspect the casts to unsigned in the fragments in LoopStrengthReduce are not doing whatever the original intent was, but the obvious change to uint64_t doesn't work. Maybe later.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71612 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-11Add DW_AT_APPLE_isa and DW_AT_APPLE_block. Radar 6867696Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71479 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06Add simplify_type specializations to allow WeakVH, AssertingVH, andDan Gohman
CallbackVH to participate in dyn_cast, isa, etc. without needing an explicit conversion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71087 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Quotes should be printed before private prefix; some code clean up.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71032 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05Add an explicit keyword.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71022 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-02Apply Jeffrey Yasskin's CallbackVH patch, with minor tweaks from meDan Gohman
to make the copy constructor and destructor protected, and corresponding adjustments to the unittests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70644 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-02Include <limits.h> to get the definition of CHAR_BIT.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70643 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01Drop the default assumption about alignment down to 2 bits from 3. This ↵Chris Lattner
apparently helps some problems on win32 platforms (PR4119) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70603 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Add a mention of TypeBuilder to the programmer's manual, and clean up the classJeffrey Yasskin
comment a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70515 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Make dataflow iteration possible on Value*, not only on User*: ↵Torok Edwin
df_ext_iterator<Value*, SmallPtrSet<const Value*, 16> > git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70496 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Add support for a character after a command line option. Like '-Os'.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70437 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Add tests for WeakVH and AssertingVH. These pointed out that the overloads forJeffrey Yasskin
the comparison operators were not only unnecessary in the presence of the implicit conversion; they caused ambiguous overload errors. So I deleted them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70243 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-25Add a new TypeBuilder helper class, which eases making LLVM IR types.Chris Lattner
Patch by Jeffrey Yasskin! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70084 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Add caching of predecessor counts as well as predecessors themselves.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69791 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-20Make all raw_ostreams support the tell() function.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69583 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-19Fix missing text in doxygen documentation.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69529 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-10Cleanup. Remove redundant llvm:: , we don't need them since we're insideNick Lewycky
namespace llvm already. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68774 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-10Add utility function to IRBuilder that takes the difference between twoNick Lewycky
pointers, taking into account the size of the pointed-to object. Patch by Jeffrey Yasskin! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68768 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-08Remove AllowInverse: it leaks memory and is not the rightChris Lattner
abstraction for CommandLine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68588 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-05Add segment flag bits to ELF.h.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68438 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-03Add fast path for raw_ostream output of strings.Daniel Dunbar
- Particularly nice for small constant strings, which get optimized down nicely. On a synthetic benchmark writing out "hello" in a loop, this is about 2x faster with gcc and 3x faster with llvm-gcc. llc on insn-attrtab.bc from 403.gcc is about .5% faster. - I tried for a fancier solution which wouldn't increase code size as much (by trying to match constant arrays), but can't quite make it fly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68396 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-03Work around an apparent GCC miscompilation by specializing different,Chris Lattner
this fixes a regression on some compilers from r68147. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68356 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-02add missing *Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68350 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-01Use CHAR_BIT instead of hard-coding 8 in several places where itDan Gohman
is appropriate. This helps visually differentiate host-oriented calculations from target-oriented calculations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68227 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-01* Fixed spelling of `invertible'Misha Brukman
* Simplified if statement git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68163 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-31add a converting operatorChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68158 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-31Add two new classes: WeakVH and AssertingVH. These are both "ValueHandles", Chris Lattner
which are effectively smart pointers to Value*'s. They are both very light weight and simple, and react to values being destroyed or being RAUW'd. WeakVN does a best effort to follow a value around, including through RAUW operations and will get nulled out of the value is destroyed. This is useful for the eventual "metadata that references a value" work, because it is a reference to a value that does not show up on its use_* list. AssertingVH is a pointer that compiles down to a dumb raw pointer when assertions are disabled. When enabled, it emits an assertion if the pointed-to value is destroyed while it is still being referenced. This is very useful for Maps and other things, and should have caught the recent bugs in CallGraph and Reassociate, for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68149 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-31teach PointerLikeTypeTraits that all pointers to pointers may only be 4-byte ↵Chris Lattner
aligned. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68147 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-29Constify check. This fixes PR3900.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68013 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-29Add a PointerLikeTypeTraits specialization for uintptr_tChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67985 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-29Replace the PointerLikeTypeTraits::getNumLowBitsAvailableChris Lattner
function with a new NumLowBitsAvailable enum, which makes the value available as an integer constant expression. Add PointerLikeTypeTraits specializations for Instruction* and Use** since they are only guaranteed 4-byte aligned. Enhance PointerIntPair to know about (and enforce) the alignment specified by PointerLikeTypeTraits. This should allow things like PointerIntPair<PointerIntPair<void*, 1,bool>, 1, bool> because the inner one knows that 2 low bits are free. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67979 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-29rename PointerLikeTypeInto to PointerLikeTypeTraits, add trait for Chris Lattner
# low bits free, and move to its own header. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67973 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-28move a large method out of line.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67892 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-27Allow invertable -xno- style optins as well.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67862 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-22add method to access a template argument.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67458 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-19Fix the Win32 VS2008 build:Sebastian Redl
- Make type declarations match the struct/class keyword of the definition. - Move AddSignalHandler into the namespace where it belongs. - Correctly call functions from template base. - Some other small changes. With this patch, LLVM and Clang should build properly and with far less noise under VS2008. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67347 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-17Add BUILTIN_EXPECT Support/Compiler macro.Daniel Dunbar
- Use for exceptional buffer conditions in raw_ostream:write to shave off a cycle or two. - Please rename if you have a better one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67103 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-17raw_ostream: Return '*this' explicitly (instead of implicitly viaDaniel Dunbar
write) to expose more alias information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67070 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-17raw_ostream: Rework implementation of unbuffered streams so outputtingDaniel Dunbar
a single character requires only one branch to follow slow path. - Never use a buffer when writing on an unbuffered stream. - Move default buffer size to header. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67066 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-16raw_ostream: Replace flush_impl with write_impl, which takes data toDaniel Dunbar
write as arguments. - Add raw_ostream::GetNumBytesInBuffer. - Privatize buffer pointers. - Get rid of slow and unnecessary code for writing out large strings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67060 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-16raw_ostream: Lift out flush_nonempty.Daniel Dunbar
- Flush a known non-empty buffers; enforces the interface to flush_impl and kills off HandleFlush (which I saw no reason to be an inline method, Chris?). - Clarify invariant that flush_impl is only called with OutBufCur > OutBufStart. - This also cleary collects all places where we have to deal with the buffer possibly not existing. - A few more comments and fixing the unbuffered behavior remain in this commit sequence. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67057 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-16Add slow path for single character write, and use exclusively forDaniel Dunbar
single characters writes outside of the fast path in raw_ostream.h git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67053 91177308-0d34-0410-b5e6-96231b3b80d8
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