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* Remove #include<map> from LiveVariables.h. Not referenced.Evan Cheng2008-04-022-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49099 91177308-0d34-0410-b5e6-96231b3b80d8
* Cosmetic changes per EH patch review feedback.Dale Johannesen2008-04-023-8/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49096 91177308-0d34-0410-b5e6-96231b3b80d8
* Add new CC lowering rule: provide a list of registers, which can be 'shadowed',Anton Korobeynikov2008-04-022-6/+21
| | | | | | | | 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
* In some situations, we need to check for local interferences between the PHIOwen Anderson2008-04-021-2/+11
| | | | | | | node and its inputs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49070 91177308-0d34-0410-b5e6-96231b3b80d8
* Correctly mark a valno that was previous defined by a PHI node as having anOwen Anderson2008-04-021-4/+7
| | | | | | | unknown defining inst after PHI elimination. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49069 91177308-0d34-0410-b5e6-96231b3b80d8
* Recommitting EH patch; this should answer most of theDale Johannesen2008-04-029-100/+114
| | | | | | | | | | | | | | | | | 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
* 1. Drop default inline threshold back down to 200.Evan Cheng2008-04-012-10/+15
| | | | | | | | 2. Do not use # of basic blocks as part of the cost computation since it doesn't really figure into function size. 3. More aggressively inline function with vector code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49061 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting 49056 due to the build being broken.Tanya Lattner2008-04-011-4/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49060 91177308-0d34-0410-b5e6-96231b3b80d8
* ReMat of load from stub in pic mode extends the life of pic base. Currently ↵Evan Cheng2008-04-011-0/+6
| | | | | | spiller doesn't do a good job of estimating the impact. Disable for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49059 91177308-0d34-0410-b5e6-96231b3b80d8
* Iterators folloring a SmallVector erased element are invalidated soDavid Greene2008-04-011-6/+4
| | | | | | | don't access cached iterators from after the erased element. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49056 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix compilation errors on MSVC. Patch by Argiris Kirtzidis!Bill Wendling2008-04-011-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49055 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary and non-deterministic checking code. Re-enable remat of ↵Evan Cheng2008-04-011-11/+0
| | | | | | load from gv stub. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49054 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-materialization is for uses only.Evan Cheng2008-04-011-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49053 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't use __bzero for memset if the second argument isn't zero.Dan Gohman2008-04-011-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49050 91177308-0d34-0410-b5e6-96231b3b80d8
* Speculatively micro-optimize memory-zeroing calls on Darwin 10.Dan Gohman2008-04-013-5/+35
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49048 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 49006 for the moment.Dale Johannesen2008-04-018-49/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49046 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't dereference MBB->end().Owen Anderson2008-04-011-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49043 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the MemoryBuffer::getFile* methods to take just a pointer to theChris Lattner2008-04-018-31/+20
| | | | | | | | | 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
* Disabling remat of load from gv stub (temporarily) again to fix llvmgcc ↵Evan Cheng2008-04-011-0/+3
| | | | | | bootstrap miscompare. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49037 91177308-0d34-0410-b5e6-96231b3b80d8
* add some #includes.Chris Lattner2008-04-011-2/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49036 91177308-0d34-0410-b5e6-96231b3b80d8
* MappedFile is dead, remove it.Chris Lattner2008-04-013-235/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49035 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement Path::MapInFilePages/UnMapFilePages on unix, which Chris Lattner2008-04-012-7/+11
| | | | | | | provides fast MappedFile::getFile for large files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49034 91177308-0d34-0410-b5e6-96231b3b80d8
* Reimplement MemoryBuffer::getFile with three enhancements:Chris Lattner2008-04-011-85/+64
| | | | | | | | | | | | | | | | | | | | | | | 1) stop using MappedFile. 2) if profitable use the sys::path::MapInFilePages api to read the file. 3) otherwise fallback to read. When sys::path::MapInFilePages is implemented, this provides several benefits: #1: this avoids fragmenting memory for small files. #2: this avoids extraneous stat calls when the file size is known. #3: this only keeps the file descriptor open while reading the file, not for the duration of the lifetime of the memory buffer. This fixes a serious clang FD 'leak' problem. I believe that this will work on a win32 machine, but I don't have one to test on. I'd appreciate it if someone could check. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49031 91177308-0d34-0410-b5e6-96231b3b80d8
* Stub out some sys::Path::MapInFilePages/UnMapFilePages methods.Chris Lattner2008-04-012-0/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49030 91177308-0d34-0410-b5e6-96231b3b80d8
* change the archive stuff to use MemoryBuffer instead of mappedfile.Chris Lattner2008-04-013-47/+34
| | | | | | | | 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
* rewrite SourceFile to be in terms of MemoryBuffer, not MappedFile.Chris Lattner2008-04-011-13/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49027 91177308-0d34-0410-b5e6-96231b3b80d8
* Make MappedFile::map return a const correct pointer, don't leak address ↵Chris Lattner2008-04-012-2/+3
| | | | | | space on Unix platforms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49026 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the MappedFile::charBase member, rename base -> getBase() andChris Lattner2008-04-012-7/+8
| | | | | | | make getBase() return a const-correct pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49025 91177308-0d34-0410-b5e6-96231b3b80d8
* Change DiffFilesWithTolerance to be written in terms of MemoryBuffer,Chris Lattner2008-04-011-73/+56
| | | | | | | | | not an mmapped file. This more closely matches its requirements and provides an implicitly null terminated buffer, something this routine had to emulate itself before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49024 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove MappedFile support for mapping files for write and execChris Lattner2008-04-016-112/+18
| | | | | | | | 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
* add missing #includesChris Lattner2008-04-013-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49020 91177308-0d34-0410-b5e6-96231b3b80d8
* More soft fp fixes.Evan Cheng2008-04-011-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49016 91177308-0d34-0410-b5e6-96231b3b80d8
* Pasto.Evan Cheng2008-04-011-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49014 91177308-0d34-0410-b5e6-96231b3b80d8
* Add comment.Evan Cheng2008-04-011-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49013 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak ARM / Thumb soft FP support.Evan Cheng2008-04-012-9/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49012 91177308-0d34-0410-b5e6-96231b3b80d8
* Accept 'y' constraint (MMX) in inline asm.Dale Johannesen2008-04-011-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49011 91177308-0d34-0410-b5e6-96231b3b80d8
* cleanup the MappedFile API and comments. This removes and updatesChris Lattner2008-04-012-118/+119
| | | | | | | | | | 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
* remove DEFINING_FILE_FOR for MappedFile.hChris Lattner2008-04-011-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49008 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit exception handling info for functions which areDale Johannesen2008-03-318-25/+49
| | | | | | | | | | | | | not marked nounwind, or for all functions when -enable-eh is set, provided the target supports Dwarf EH. llvm-gcc generates nounwind in the right places; other FEs will need to do so also. Given such a FE, -enable-eh should no longer be needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49006 91177308-0d34-0410-b5e6-96231b3b80d8
* It's not safe to fold a load from GV stub or constantpool into a two-address ↵Evan Cheng2008-03-312-2/+11
| | | | | | use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49002 91177308-0d34-0410-b5e6-96231b3b80d8
* Actually disable crash reporting on Mac OS X, returning bugpoint to speedyNate Begeman2008-03-311-23/+6
| | | | | | | crash miscompilations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49000 91177308-0d34-0410-b5e6-96231b3b80d8
* Set blockBegin to point to the beginning of the block,Dan Gohman2008-03-311-2/+2
| | | | | | | not the end. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48999 91177308-0d34-0410-b5e6-96231b3b80d8
* Move reMaterialize() from TargetRegisterInfo to TargetInstrInfo.Evan Cheng2008-03-3122-141/+87
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48995 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a DAGCombiner optimization to respect volatile qualification.Dan Gohman2008-03-311-1/+2
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* Expose Function::viewCFG and Function::viewCFGOnly to bindings.Erick Tryzelaar2008-03-311-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48982 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-apply 48911.Evan Cheng2008-03-311-8/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48977 91177308-0d34-0410-b5e6-96231b3b80d8
* The support for remat of instructions with a register operand is hackish, to ↵Evan Cheng2008-03-311-18/+7
| | | | | | say the least. Since the register operand guaranteed to be PIC base and that it is already live at all uses, we are making sure it will not be spilled after its uses are rematerialized for both performance and correctness reasons. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48976 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a major bug in the DFS calculation. Thanks for Christopher Lamb for ↵Owen Anderson2008-03-311-1/+1
| | | | | | pointing this out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48973 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't eliminate bitcast instructions that change the type of a pointerNate Begeman2008-03-312-19/+26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48971 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comment typo.Duncan Sands2008-03-301-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48967 91177308-0d34-0410-b5e6-96231b3b80d8
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