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* MC/Mach-O: Stub out explicit MCMachObjectTargetWriter interface.Daniel Dunbar2010-12-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121973 91177308-0d34-0410-b5e6-96231b3b80d8
* MC/Mach-O: Move createMachObjectWriter into MCMachObjectWriter.h.Daniel Dunbar2010-12-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121971 91177308-0d34-0410-b5e6-96231b3b80d8
* MemoryBuffer now return an error_code and returns a OwningPtr<MemoryBuffer> ↵Michael J. Spencer2010-12-16
| | | | | | via an out parm. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121958 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Move target specific fixup info descriptors to TargetAsmBackend instead ofDaniel Dunbar2010-12-16
| | | | | | | the MCCodeEmitter, which seems like a better organization. - Also, cleaned up some magic constants while in the area. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121953 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Make TargetAsmBackend available to the AsmStreamer.Daniel Dunbar2010-12-16
| | | | | | - Treaty talks on the non-proliferation of MC objects broke down. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121949 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Split MCFixupKindInfo out into its own header.Daniel Dunbar2010-12-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121948 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Remove a FIXME I no longer agree with.Daniel Dunbar2010-12-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121947 91177308-0d34-0410-b5e6-96231b3b80d8
* Add IntervalMapOverlaps - An iterator for overlapping intervals in twoJakob Stoklund Olesen2010-12-16
| | | | | | | | | | | IntervalMaps. The IntervalMaps can have different template parameters, but the KeyT and Traits types must be the same. Tests are forthcoming. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121935 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MachineLoopRanges analysis.Jakob Stoklund Olesen2010-12-15
| | | | | | | | A MachineLoopRange contains the intervals of slot indexes covered by the blocks in a loop. This representation of the loop blocks is more efficient to compare against interfering registers during register coalescing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121917 91177308-0d34-0410-b5e6-96231b3b80d8
* Typo.Rafael Espindola2010-12-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121906 91177308-0d34-0410-b5e6-96231b3b80d8
* Add Neon VCVT instructions for f32 <-> f16 conversions.Bob Wilson2010-12-15
| | | | | | | Clang is now providing intrinsics for these and so we need to support them in the backend. Radar 8068427. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121902 91177308-0d34-0410-b5e6-96231b3b80d8
* Add SlotIndexes::getMBBRange() to get the range of a basic block in a singleJakob Stoklund Olesen2010-12-15
| | | | | | lookup. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121893 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding target specific calling conventions to support the MBlaze GCC functionWesley Peck2010-12-15
| | | | | | | | attributes "interrupt_handle" and "save_volatiles". Support for lowering these correctly will be in an upcoming commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121888 91177308-0d34-0410-b5e6-96231b3b80d8
* Move Value::getUnderlyingObject to be a standaloneDan Gohman2010-12-15
| | | | | | | | function so that it can live in Analysis instead of VMCore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121885 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement cleanups suggested by Daniel.Owen Anderson2010-12-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121875 91177308-0d34-0410-b5e6-96231b3b80d8
* Move Sub simplifications and additional Add simplifications out ofDuncan Sands2010-12-15
| | | | | | | instcombine and into InstructionSimplify. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121861 91177308-0d34-0410-b5e6-96231b3b80d8
* Relax alignment fragments.Rafael Espindola2010-12-15
| | | | | | | | | | | With this we don't need the EffectiveSize field anymore. Without that field LayoutFragment only updates offsets and we don't need to invalidate the current fragment when it is relaxed (only the ones following it). This is also a very small improvement in the accuracy of the layout info as we now use the after relaxation size immediately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121857 91177308-0d34-0410-b5e6-96231b3b80d8
* Generalize an assert.Rafael Espindola2010-12-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121851 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce TargetRegisterInfo::getOverlaps(Reg), returning a list of allJakob Stoklund Olesen2010-12-14
| | | | | | | | | | | | | | | | | | | | | | | | | | registers that alias Reg, including itself. This is almost the same as the existing getAliasSet() method, except for the inclusion of Reg. The name matches the reflexive TRI::regsOverlap(x, y) relation. It is very common to do stuff to a register and all its aliases: stuff(Reg) for (const unsigned *Alias = TRI->getAliasSet(Reg); *Alias; ++Alias) stuff(*Alias); That can now be written as the simpler: for (const unsigned *Alias = TRI->getOverlaps(Reg); *Alias; ++Alias) stuff(*Alias); This change requires a bit more constant space for the alias lists because Reg is included and because the empty alias list cannot be shared any longer. If the getAliasSet method is eventually removed, this space can be reclaimed by sharing overlap lists. For instance, %rax and %eax have identical overlap sets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121800 91177308-0d34-0410-b5e6-96231b3b80d8
* Add TargetRegisterInfo::printReg() to pretty-print registers.Jakob Stoklund Olesen2010-12-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121780 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM Fixups relative to thumb functions need to have the low bit of the valueJim Grosbach2010-12-14
| | | | | | set for interworking to work properly. rdar://8755956 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121778 91177308-0d34-0410-b5e6-96231b3b80d8
* remove the dead (and terrible) llvm::RemoveSuccessor function.Chris Lattner2010-12-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121753 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove debugging code.Jakob Stoklund Olesen2010-12-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121738 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a new PartialAlias response for AliasAnalysis. For mostDan Gohman2010-12-10
| | | | | | | | | | | AliasAnalysis consumers, PartialAlias will be treated as MayAlias. For AliasAnalysis chaining, MayAlias says "procede to the next analysis". PartialAlias will be used to indicate that the query should terminate, even though it didn't reach MustAlias or NoAlias. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121507 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed version of 121434 with no new memory leaks.Rafael Espindola2010-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121471 91177308-0d34-0410-b5e6-96231b3b80d8
* Mach-O/ARM: Add relocation type enumeration.Daniel Dunbar2010-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121467 91177308-0d34-0410-b5e6-96231b3b80d8
* Mach-O: Tweak field name.Daniel Dunbar2010-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121465 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead header.Nick Lewycky2010-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121463 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert my previous patch to make the valgrind bots happy.Rafael Espindola2010-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121461 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial support for the cfi directives. This is just enough to getRafael Espindola2010-12-09
| | | | | | | | | | | f: .cfi_startproc nop .cfi_endproc assembled (on ELF). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121434 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an issue in some Thumb fixups, where the effective PC address needs to ↵Owen Anderson2010-12-09
| | | | | | | | | | | be 4-byte aligned when calculating the offset. Add a new fixup flag to represent this, and use it for the one fixups that I have a testcase for needing this. It's quite likely that the other Thumb fixups will need this too, and to have their fixup encoding logic adjusted accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121408 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix whitespace.Michael J. Spencer2010-12-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121382 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: Move c_str from SmallVector back to SmallString and add a free standingMichael J. Spencer2010-12-09
| | | | | | templated c_str in Windows.h to replace it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121381 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/FileSystem: Change file_status predicate functions that cannot fail toMichael J. Spencer2010-12-09
| | | | | | | return their result instead of an error_code. Also add some missing predicate functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121380 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with ↵Michael J. Spencer2010-12-09
| | | | | | error_code &ec. And fix clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121379 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed some dependencies in RegAllocPBQP.h . Thanks to Borja Ferrer for ↵Lang Hames2010-12-08
| | | | | | pointing out this issue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121292 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to create debug info for functions and methods.Devang Patel2010-12-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121281 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to create class type.Devang Patel2010-12-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121279 91177308-0d34-0410-b5e6-96231b3b80d8
* Generalize PostRAHazardRecognizer so it can be used in any pass forAndrew Trick2010-12-08
| | | | | | | | | both forward and backward scheduling. Rename it to ScoreboardHazardRecognizer (Scoreboard is one word). Remove integer division from the scoreboard's critical path. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121274 91177308-0d34-0410-b5e6-96231b3b80d8
* Stub out RegAllocGreedy.Jakob Stoklund Olesen2010-12-08
| | | | | | | | | This new register allocator is initially identical to RegAllocBasic, but it will receive all of the tricks that RegAllocBasic won't get. RegAllocGreedy will eventually replace linear scan. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121234 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to create vector, array, enums etc...Devang Patel2010-12-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121224 91177308-0d34-0410-b5e6-96231b3b80d8
* Let target asm backends see assembler flags as they go by. Use that to handleJim Grosbach2010-12-08
| | | | | | thumb vs. arm mode differences in WriteNopData(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121219 91177308-0d34-0410-b5e6-96231b3b80d8
* Global variable does not need linkage name.Devang Patel2010-12-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121212 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to create local variable's debug info.Devang Patel2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121211 91177308-0d34-0410-b5e6-96231b3b80d8
* Layout each section independently. With the testcase in PR8711:Rafael Espindola2010-12-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | before: 4 assembler - Number of assembler layout and relaxation steps 78563 assembler - Number of emitted assembler fragments 8693904 assembler - Number of emitted object file bytes 271223 assembler - Number of evaluated fixups 330771677 assembler - Number of fragment layouts 5958 assembler - Number of relaxed instructions 2508361 mcexpr - Number of MCExpr evaluations real 0m26.123s user 0m25.694s sys 0m0.388s after: 4 assembler - Number of assembler layout and relaxation steps 78563 assembler - Number of emitted assembler fragments 8693904 assembler - Number of emitted object file bytes 271223 assembler - Number of evaluated fixups 231507 assembler - Number of fragment layouts 5958 assembler - Number of relaxed instructions 2508361 mcexpr - Number of MCExpr evaluations real 0m2.500s user 0m2.113s sys 0m0.273s And yes, the outputs are identical :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121207 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to create variables, structs etc.. using DIBuilder.Devang Patel2010-12-07
| | | | | | | This is still work in progress. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121205 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix begin() and end() on const IntervalMap.Jakob Stoklund Olesen2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121200 91177308-0d34-0410-b5e6-96231b3b80d8
* Missed a spot removing Alarm.Michael J. Spencer2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121161 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: Remove Alarm. It is unused (via local grep and google code search).Michael J. Spencer2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121160 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/PathV2: Remove const from bool return types.Michael J. Spencer2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121157 91177308-0d34-0410-b5e6-96231b3b80d8
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