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2008-04-04If a value is cast to its own type, then the castDuncan Sands
is not needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49210 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-04Make ExecutionEngine::updateGlobalMapping return the old mapping.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49206 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-03Add member template version of SerializeTrait<T>::Create that also acceptsTed Kremenek
an optional argument for us by T's Create method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49169 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-03Special handling of zero-sized live intervals.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49167 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-03- Treat a live range defined by an implicit_def as a zero-sized one.Evan Cheng
- Eliminate an implicit_def when it's being spilled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49166 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-03Start of a series of patches related to implicit_def.Evan Cheng
There is no point in creating a long live range defined by an implicit_def. Scheduler now duplicates implicit_def instruction for each of its uses. Therefore, if an implicit_def node has multiple uses, it will become a number of very short live ranges, rather than a long one. This will make coalescer's job easier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49164 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-03Backing out 48222 temporarily.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49124 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-02Iterators folloring a SmallVector erased element are invalidated soDavid Greene
don't access cached iterators from after the erased element. Re-apply 49056 with SmallVector support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49106 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-02Now that I am told MachineRegisterInfo also tracks physical register uses / ↵Evan Cheng
defs, I can do away with the horribleness I introduced a while back. It's impossible to detect if there is any use of a physical register below an instruction (and before any def of the register) with some cheap book keeping. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49105 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-02Remove #include<map> from LiveVariables.h. Not referenced.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49099 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-02Add new file Support/DataFlow.h.Torok Edwin
It allows Use-Def and Def-Use relations to be treated as graphs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49088 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-02Add new CC lowering rule: provide a list of registers, which can be 'shadowed',Anton Korobeynikov
when some another register is used for argument passing. Currently is used on Win64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49079 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-02Recommitting EH patch; this should answer most of theDale Johannesen
review feedback. -enable-eh is still accepted but doesn't do anything. EH intrinsics use Dwarf EH if the target supports that, and are handled by LowerInvoke otherwise. The separation of the EH table and frame move data is, I think, logically figured out, but either one still causes full EH info to be generated (not sure how to split the metadata correctly). MachineModuleInfo::needsFrameInfo is no longer used and is removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49064 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01Change the MemoryBuffer::getFile* methods to take just a pointer to theChris Lattner
start of a filename, not a filename+length. All clients can produce a null terminated name, and the system api's require null terminated strings anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49041 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01MappedFile is dead, remove it.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49035 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01Stub out some sys::Path::MapInFilePages/UnMapFilePages methods.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49030 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01change the archive stuff to use MemoryBuffer instead of mappedfile.Chris Lattner
MemoryBuffer is higher level and more closely matches the model needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49029 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01prune unneeded #includesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49028 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01rewrite SourceFile to be in terms of MemoryBuffer, not MappedFile.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49027 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01Make MappedFile::map return a const correct pointer, don't leak address ↵Chris Lattner
space on Unix platforms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49026 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01Remove the MappedFile::charBase member, rename base -> getBase() andChris Lattner
make getBase() return a const-correct pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49025 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01add an accessor.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49023 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01Remove MappedFile support for mapping files for write and execChris Lattner
and shared. This complicates the design, is not used, and probably doesn't even work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49022 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01remove extraneous #includeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49021 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01update comment.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49010 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01cleanup the MappedFile API and comments. This removes and updatesChris Lattner
tons of out of date comments (really nothing throws here!) and fixes some other fairly glaring issues: "size" used to return the size of the file *and* change it, depending on how you called it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49009 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-01remove DEFINING_FILE_FOR for MappedFile.hChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49008 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-31Move reMaterialize() from TargetRegisterInfo to TargetInstrInfo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48995 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-31test commitTorok Edwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48984 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-30Fix "Control reaches the end of non-void function" warnings, Chris Lattner
patch by David Chisnall. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48963 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-29Cosmetic change.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48935 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-28Rename getAnyLoad to getLoad is suggested by Evan.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48914 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-27Implement LegalizeTypes support for softfloat LOAD.Duncan Sands
In order to handle indexed nodes I had to introduce a new constructor, and since I was there I factorized the code in the various load constructors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48894 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-27Avoid creating chain dependencies from CopyToReg nodes to load and storeDan Gohman
nodes. This doesn't currently have much impact the generated code, but it does produce simpler-looking SelectionDAGs, and consequently simpler-looking ScheduleDAGs, because there are fewer spurious dependencies. In particular, CopyValueToVirtualRegister now uses the entry node as the input chain dependency for new CopyToReg nodes instead of calling getRoot and depending on the most recent memory reference. Also, rename UnorderedChains to PendingExports and pull it up from being a local variable in SelectionDAGISel::BuildSelectionDAG to being a member variable of SelectionDAGISel, so that it doesn't have to be passed around to all the places that need it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48893 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-27when a node is removed from an ilist, set its next/prev pointers toChris Lattner
null. This means that uses of invalidated iterators will explode violently with: ilist:143: failed assertion `NodePtr && "++'d off the end of an ilist!"' instead of happening to work "most of the time". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48859 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-26Fix a bug in Darwin EH: FDE->CIE pointer mustDale Johannesen
be relocatable. Describe why .set is needed better. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48848 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-26Use a linked data structure for the uses lists of an SDNode, just like Roman Levenstein
LLVM Value/Use does and MachineRegisterInfo/MachineOperand does. This allows constant time for all uses list maintenance operations. The idea was suggested by Chris. Reviewed by Evan and Dan. Patch is tested and approved by Dan. On normal use-cases compilation speed is not affected. On very big basic blocks there are compilation speedups in the range of 15-20% or even better. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48822 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-25Add explicit keywords.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48801 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-25A quick nm audit turned up several fixed tables and objects that wereDan Gohman
marked read-write. Use const so that they can be allocated in a read-only segment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48800 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-25Add optimize-for-size knob.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48793 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-25De-constify the input to the "operator >>" method as it is modified.Bill Wendling
Patch by dekruijf@cs.wisc.edu! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48782 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-25Make a note of the fact that EmitOwnedPtr() has nothing to do with theSam Bishop
OwningPtr<> class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48763 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24Revert r48676. I had plans for using it, but now it's just dead code.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48743 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24Remove an unnecessary #include.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48729 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24Shrink the size of AllocationInst by using its SubclassDataDan Gohman
field to store the alignment value instead of haing a separate field. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48727 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24Increasing the inline limit from (overly conservative) 200 to 300. Given ↵Evan Cheng
each BB costs 20 and each instruction costs 5, 200 means a 4 BB function + 24 instructions (actually less because caller's size also contributes to it). Furthermore, double the limit when more than 10% of the callee instructions are vector instructions. Multimedia kernels tend to love inlining. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48725 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-23Use C-style comments :)Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48705 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-23Add first proof-of-concept universal compiler driver framework basedAnton Korobeynikov
on ideas mentioned in PR686. Written by Mikhail Glushenkov and contributed by Codedgers, Inc. Old llvmc will be removed soon after new one will have all its properties. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48699 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-22Typo fixesAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48681 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-22Add a comment, and fix a bug where AllocateRW recurred to AllocateRWX ↵Owen Anderson
instead of itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48677 91177308-0d34-0410-b5e6-96231b3b80d8
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