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* Verify debug info.Devang Patel2009-01-191-0/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62545 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove SDNode's virtual destructor. This makes it impossible forDan Gohman2009-01-192-36/+2
| | | | | | | | | | | | | | | SDNode subclasses to keep state that requires non-trivial destructors, however it was already effectively impossible, since the destructor isn't actually ever called. There currently aren't any SDNode subclasses affected by this, and in general it's desireable to keep SDNode objects light-weight. This eliminates the last virtual member function in the SDNode class, so it eliminates the need for a vtable pointer, making SDNode smaller. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62539 91177308-0d34-0410-b5e6-96231b3b80d8
* improve compatibility with cygwin, patch by Jay Foad!Chris Lattner2009-01-191-5/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62535 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo is a lightweight APIs and consumers are expected to use light ↵Devang Patel2009-01-191-59/+0
| | | | | | objects directly. There is no need to support isa<>, dyn_cast<> etc... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62527 91177308-0d34-0410-b5e6-96231b3b80d8
* Few targets like PIC16 wants libcall generation for illegal type i16.Sanjiv Gupta2009-01-181-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62467 91177308-0d34-0410-b5e6-96231b3b80d8
* BasicAliasAnalysis and FunctionAttrs were bothDuncan Sands2009-01-181-0/+29
| | | | | | | | | | doing very similar pointer capture analysis. Factor out the common logic. The new version is from FunctionAttrs since it does a better job than the version in BasicAliasAnalysis git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62461 91177308-0d34-0410-b5e6-96231b3b80d8
* make comparisons a bist fasterGabor Greif2009-01-171-5/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62428 91177308-0d34-0410-b5e6-96231b3b80d8
* introduce typedef for complicated vector, and use it tooGabor Greif2009-01-171-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62384 91177308-0d34-0410-b5e6-96231b3b80d8
* Support for multi-valued options in CommandLineMikhail Glushenkov2009-01-161-2/+21
| | | | | | | Makes possible to specify options that take multiple arguments (a-la -sectalign on Darwin). See documentation for details. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62372 91177308-0d34-0410-b5e6-96231b3b80d8
* Instead of adding dependence edges between terminator instructionsDan Gohman2009-01-161-1/+5
| | | | | | | | | | | | | | | and every other instruction in their blocks to keep the terminator instructions at the end, teach the post-RA scheduler how to operate on ranges of instructions, and exclude terminators from the range of instructions that get scheduled. Also, exclude mid-block labels, such as EH_LABEL instructions, and schedule code before them separately from code after them. This fixes problems with the post-RA scheduler moving code past EH_LABELs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62366 91177308-0d34-0410-b5e6-96231b3b80d8
* CreateVirtualRegisters does trivial copy coalescing. If a node def is used ↵Evan Cheng2009-01-162-6/+8
| | | | | | by a single CopyToReg, it reuses the virtual register assigned to the CopyToReg. This won't work for SDNode that is a clone or is itself cloned. Disable this optimization for those nodes or it can end up with non-SSA machine instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62356 91177308-0d34-0410-b5e6-96231b3b80d8
* remove a dead method.Chris Lattner2009-01-161-6/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62354 91177308-0d34-0410-b5e6-96231b3b80d8
* Get this building with gcc-4.4.Duncan Sands2009-01-161-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62322 91177308-0d34-0410-b5e6-96231b3b80d8
* Registry.h should not depend on CommandLine.h.Mikhail Glushenkov2009-01-163-29/+57
| | | | | | | Split Support/Registry.h into two files so that we have less to recompile every time CommandLine.h is changed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62312 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete trailing whitespace.Mikhail Glushenkov2009-01-162-74/+74
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62307 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting back 62301.Sanjiv Gupta2009-01-161-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62304 91177308-0d34-0410-b5e6-96231b3b80d8
* Few targets do not have a single directive to emit global constants.Sanjiv Gupta2009-01-161-1/+1
| | | | | | | For example, PIC16 needs to break a long or int constant into mulitple parts and emit multiple directives. So Allow targets to overried EmitConstantValueOnly(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62301 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial hazard recognizer support in post-pass scheduling. This includesDan Gohman2009-01-161-1/+4
| | | | | | | | a new toy hazard recognizier heuristic which attempts to direct the scheduler to avoid clumping large groups of loads or stores too densely. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62291 91177308-0d34-0410-b5e6-96231b3b80d8
* Validate dbg_* intrinsics before lowering them.Devang Patel2009-01-151-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62286 91177308-0d34-0410-b5e6-96231b3b80d8
* Generalize the HazardRecognizer interface so that it can be usedDan Gohman2009-01-154-42/+82
| | | | | | | | to support MachineInstr-based scheduling in addition to SDNode-based scheduling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62284 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify the MachineLICM pass by having it only traverse outerDan Gohman2009-01-151-0/+6
| | | | | | | | | | loops, hoisting instructions all the way out in one step rather than hoisting them one nest level at a time. Also, make a few other code simplifications. This speeds up MachineLICM by several fold. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62283 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the private linkage.Rafael Espindola2009-01-153-2/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62279 91177308-0d34-0410-b5e6-96231b3b80d8
* Use lightweight DebugInfo objects directly.Devang Patel2009-01-151-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62276 91177308-0d34-0410-b5e6-96231b3b80d8
* Move a few containers out of ScheduleDAGInstrs::BuildSchedGraphDan Gohman2009-01-156-37/+31
| | | | | | | | | | | | and into the ScheduleDAGInstrs class, so that they don't get destructed and re-constructed for each block. This fixes a compile-time hot spot in the post-pass scheduler. To help facilitate this, tidy and do some minor reorganization in the scheduler constructor functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62275 91177308-0d34-0410-b5e6-96231b3b80d8
* Make getWidenVectorType const.Dan Gohman2009-01-151-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62265 91177308-0d34-0410-b5e6-96231b3b80d8
* Const-qualify getPreIndexedAddressParts and friends.Dan Gohman2009-01-151-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62259 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the time regression I introduced in 464.h264ref withDale Johannesen2009-01-141-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | my earlier patch to this file. The issue there was that all uses of an IV inside a loop are actually references to Base[IV*2], and there was one use outside that was the same but LSR didn't see the base or the scaling because it didn't recurse into uses outside the loop; thus, it used base+IV*scale mode inside the loop instead of pulling base out of the loop. This was extra bad because register pressure later forced both base and IV into memory. Doing that recursion, at least enough to figure out addressing modes, is a good idea in general; the change in AddUsersIfInteresting does this. However, there were side effects.... It is also possible for recursing outside the loop to introduce another IV where there was only 1 before (if the refs inside are not scaled and the ref outside is). I don't think this is a common case, but it's in the testsuite. It is right to be very aggressive about getting rid of such introduced IVs (CheckForIVReuse and the handling of nonzero RewriteFactor in StrengthReduceStridedIVUsers). In the testcase in question the new IV produced this way has both a nonconstant stride and a nonzero base, neither of which was handled before. And when inserting new code that feeds into a PHI, it's right to put such code at the original location rather than in the PHI's immediate predecessor(s) when the original location is outside the loop (a case that couldn't happen before) (RewriteInstructionToUseNewBase); better to avoid making multiple copies of it in this case. Also, the mechanism for keeping SCEV's corresponding to GEP's no longer works, as the GEP might change after its SCEV is remembered, invalidating the SCEV, and we might get a bad SCEV value when looking up the GEP again for a later loop. This also couldn't happen before, as we weren't recursing into GEP's outside the loop. Also, when we build an expression that involves a (possibly non-affine) IV from a different loop as well as an IV from the one we're interested in (containsAddRecFromDifferentLoop), don't recurse into that. We can't do much with it and will get in trouble if we try to create new non-affine IVs or something. More testcases are coming. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62212 91177308-0d34-0410-b5e6-96231b3b80d8
* Add member template MallocAllocator::Allocate(Num) (to match the same ↵Ted Kremenek2009-01-141-0/+5
| | | | | | function in BumpPtrAllocator). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62202 91177308-0d34-0410-b5e6-96231b3b80d8
* Removoe MachineModuleInfo methods (and related DebugInfoDesc class ↵Devang Patel2009-01-131-975/+0
| | | | | | hierarchy) that were used to handle debug info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62199 91177308-0d34-0410-b5e6-96231b3b80d8
* Keep "has debug info" big in MachineModuleInfo to avoid circular dependency ↵Devang Patel2009-01-131-2/+7
| | | | | | between AsmPrinter and CodeGen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62191 91177308-0d34-0410-b5e6-96231b3b80d8
* Undo previous checkin.Devang Patel2009-01-131-3/+0
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* Use DwarfWriter to record dbg variables.Devang Patel2009-01-132-4/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62185 91177308-0d34-0410-b5e6-96231b3b80d8
* Use dwarf writer to decide whether the module has debug info or not.Devang Patel2009-01-131-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62184 91177308-0d34-0410-b5e6-96231b3b80d8
* Wind SCEV back in time, to Nov 18th. This 'fixes' PR3275, PR3294, PR3295,Nick Lewycky2009-01-133-56/+3
| | | | | | | PR3296 and PR3302. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62160 91177308-0d34-0410-b5e6-96231b3b80d8
* add a new insertAfter method, patch by Tom Jablin!Chris Lattner2009-01-132-0/+11
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* Fix fallout from r62144. Evan, please double check this.Owen Anderson2009-01-131-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62150 91177308-0d34-0410-b5e6-96231b3b80d8
* Use DebugInfo interface to lower dbg_* intrinsics.Devang Patel2009-01-135-7/+14
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* Add classof() methods to support isa<> and other related facilities.Devang Patel2009-01-121-9/+74
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* Rename getABITypeSize to getTypePaddedSize, asDuncan Sands2009-01-122-6/+6
| | | | | | | suggested by Chris. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62099 91177308-0d34-0410-b5e6-96231b3b80d8
* Add DwarfWriter interface to mainipulate source location info.Devang Patel2009-01-121-0/+20
| | | | | | | ( May be this info should be directly handled by the dwarf writer ? ) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62096 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some dead code from the days llvm had type planes.Rafael Espindola2009-01-121-5/+0
| | | | | | | | There might be more dead code, but with llvm-gcc bootstrap broken on linux x86-64 it is had to test :-( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62088 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3241: Currently EmitCopyFromReg emits a copy from the physical ↵Evan Cheng2009-01-121-1/+1
| | | | | | | | | register to a virtual register unless it requires an expensive cross class copy. That means we are only treating "expensive to copy" register dependency as physical register dependency. Also future proof the scheduler to handle "normal" physical register dependencies. The code is not exercised yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62074 91177308-0d34-0410-b5e6-96231b3b80d8
* add nocapture attribute to llvm.mem* intrinsics and have tblgenChris Lattner2009-01-121-11/+17
| | | | | | | parse them. tblgen doesn't yet do anything with this info though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62065 91177308-0d34-0410-b5e6-96231b3b80d8
* drats! remove tabsGabor Greif2009-01-111-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62056 91177308-0d34-0410-b5e6-96231b3b80d8
* simplify CallSite helper class to not consult the Instruction'sGabor Greif2009-01-111-21/+38
| | | | | | | | opcode on each delegation. Instead the information is cached on construction and the cached flag used thereafter. Introduced two predicates: isCall and isInvoke. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62055 91177308-0d34-0410-b5e6-96231b3b80d8
* Duplicated node may produce a non-physical register def.Evan Cheng2009-01-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62015 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed trailing whitespace.Misha Brukman2009-01-0930-929/+929
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62000 91177308-0d34-0410-b5e6-96231b3b80d8
* Request DwarfWriter. This will be used to handle dbg_* intrinsics.Devang Patel2009-01-091-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61999 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a --check-graph option to llvmc.Mikhail Glushenkov2009-01-091-3/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61989 91177308-0d34-0410-b5e6-96231b3b80d8
* add a helper method.Chris Lattner2009-01-091-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61978 91177308-0d34-0410-b5e6-96231b3b80d8
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