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* BoundsChecking: optimize out the check for offset < 0 if size is known to ↵Nuno Lopes2012-07-031-7/+10
| | | | | | | | be >= 0 (signed). (LLVM optimizers cannot do this optimization by themselves) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159668 91177308-0d34-0410-b5e6-96231b3b80d8
* fold PHI nodes in SizeOffsetEvaluator whenever possible.Nuno Lopes2012-07-031-1/+13
| | | | | | Unfortunately this change requires the cache map to hold WeakVHs instead git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159667 91177308-0d34-0410-b5e6-96231b3b80d8
* improve PHINode::hasConstantValue() to detect recursive cases like %phi = ↵Nuno Lopes2012-07-031-2/+6
| | | | | | phi(%phi,42) as constant git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159666 91177308-0d34-0410-b5e6-96231b3b80d8
* Part of r159527. Splitted into series of patches and gone with fixed PR13256:Stepan Dyatkovskiy2012-07-032-11/+13
| | | | | | | | | | IntegersSubsetMapping - Replaced type of Items field from std::list with std::map. In neares future I'll test it with DenseMap and do the correspond replacement if possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159659 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove extra space.Craig Topper2012-07-031-12/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159647 91177308-0d34-0410-b5e6-96231b3b80d8
* Change i128mem/i256mem to f128mem/f256mem on some floating point vector ↵Craig Topper2012-07-031-14/+14
| | | | | | instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159646 91177308-0d34-0410-b5e6-96231b3b80d8
* MCContext.cpp: Fixup for my odd previous commit. No functional changes.NAKAMURA Takumi2012-07-031-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159645 91177308-0d34-0410-b5e6-96231b3b80d8
* Add aliases for pblendvb, blendvpd, and blendvps instructions with the ↵Craig Topper2012-07-031-5/+19
| | | | | | implicit xmm0 operand specified. Fixes PR13252. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159644 91177308-0d34-0410-b5e6-96231b3b80d8
* MCContext::GetDwarfFile(): Make FileName parsing tolerant of DOSish pathsep ↵NAKAMURA Takumi2012-07-031-5/+5
| | | | | | | | with PathV2. It fixes failure in test/MC/MachO/gen-dwarf.s on Win32 w/o bash. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159640 91177308-0d34-0410-b5e6-96231b3b80d8
* mips32 long long register inline asm constraint support.Jack Carter2012-07-021-0/+2
| | | | | | | | inlineasm-cnstrnt-bad-r-1.ll is NOT supposed to fail, so it was removed. This resulted in the removal of a negative test (inlineasm-cnstrnt-bad-r-1.ll) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159625 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert " mips32 long long register inline asm constraint support." asEric Christopher2012-07-021-2/+0
| | | | | | | | it appears to be breaking the bots. This reverts commit 1b055ce320fa13f6f1ac81670d11b45e01f79876. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159619 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "IntRange:" as it appears to be breaking self hosting.Eric Christopher2012-07-023-98/+159
| | | | | | This reverts commit b2833d9dcba88c6f0520cad760619200adc0442c. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159618 91177308-0d34-0410-b5e6-96231b3b80d8
* All glory to address sanitizer. ;]Chandler Carruth2012-07-021-2/+8
| | | | | | | | | | | | It appears to have caught a use-after-free introduced as by r159567 and/or friends which call 'addPass' from many more places. The bug in 'addPass' doesn't appear to be new, and was spotted by inspection when ASan shown a bright light of a stacktrace at these functions. Hopefully this will fix the ASan failure -- I have no test case other than running an ASan-built clang over the test suite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159614 91177308-0d34-0410-b5e6-96231b3b80d8
* Target option DisableJumpTables is a gross hack. Move it to TargetLowering ↵Evan Cheng2012-07-024-17/+19
| | | | | | instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159611 91177308-0d34-0410-b5e6-96231b3b80d8
* mips32 long long register inline asm constraint support.Jack Carter2012-07-021-0/+2
| | | | | | | | inlineasm-cnstrnt-bad-r-1.ll is NOT supposed to fail, so it was removed. This resulted in the removal of a negative test (inlineasm-cnstrnt-bad-r-1.ll) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159610 91177308-0d34-0410-b5e6-96231b3b80d8
* misched: allow NULL InstrItineraries.Andrew Trick2012-07-021-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159599 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn an assert into an error to make it a bit more friendly.Eric Christopher2012-07-021-2/+9
| | | | | | Part of rdar://6880388 and rdar://11766377 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159590 91177308-0d34-0410-b5e6-96231b3b80d8
* Pass the correct ELFOSABI enumeration to the MipsELFObjectWriter constructorJack Carter2012-07-021-1/+2
| | | | | | | Contributer: Sasa Stankovic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159574 91177308-0d34-0410-b5e6-96231b3b80d8
* Extend TargetPassConfig to allow running only a subset of the normal passes.Bob Wilson2012-07-025-16/+43
| | | | | | | | | | | | | | | | | This is still a work in progress but I believe it is currently good enough to fix PR13122 "Need unit test driver for codegen IR passes". For example, you can run llc with -stop-after=loop-reduce to have it dump out the IR after running LSR. Serializing machine-level IR is not yet supported but we have some patches in progress for that. The plan is to serialize the IR to a YAML file, containing separate sections for the LLVM IR, machine-level IR, and whatever other info is needed. Chad suggested that we stash the stop-after pass in the YAML file and use that instead of the start-after option to figure out where to restart the compilation. I think that's a great idea, but since it's not implemented yet I put the -start-after option into this patch for testing purposes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159570 91177308-0d34-0410-b5e6-96231b3b80d8
* Move assertion with TargetPassConfig's Initialized flag.Bob Wilson2012-07-021-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159569 91177308-0d34-0410-b5e6-96231b3b80d8
* Consistently use AnalysisID types in TargetPassConfig.Bob Wilson2012-07-023-64/+62
| | | | | | | This makes it possible to just use a zero value to represent "no pass", so the phony NoPassID global variable is no longer needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159568 91177308-0d34-0410-b5e6-96231b3b80d8
* Add all codegen passes to the PassManager via TargetPassConfig.Bob Wilson2012-07-0213-98/+103
| | | | | | | | This is a preliminary step toward having TargetPassConfig be able to start and stop the compilation at specified passes for unit testing and debugging. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159567 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert accidental checkin.Andrew Trick2012-07-021-3/+2
| | | | | | My last checkin was apparently not the branch I intended. It was missing one change (added by chandlerc), and contained a spurious change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159548 91177308-0d34-0410-b5e6-96231b3b80d8
* GlobalOpt forgot to handle bitcast when analyzing globals. Found by inspection.Duncan Sands2012-07-021-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159546 91177308-0d34-0410-b5e6-96231b3b80d8
* Added assertion in getVRegDef of MachineRegisterInfo to make sure the virtualManman Ren2012-07-022-5/+8
| | | | | | | | register does not have multiple definitions. Modified TwoAddressInstructionPass to use getUniqueVRegDef instead of getVRegDef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159545 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply "Make NumMicroOps a variable in the subtarget's instruction itinerary."Andrew Trick2012-07-025-50/+66
| | | | | | Reapplies r159406 with minor cleanup. The regressions appear to have been spurious. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159541 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not attempt to use ROR for Thumb1.Bob Wilson2012-07-021-2/+2
| | | | | | Patch by Matt Fischer! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159538 91177308-0d34-0410-b5e6-96231b3b80d8
* fix the regression I introduced in r159385 (it's necessary to update PHI ↵Nuno Lopes2012-07-021-0/+3
| | | | | | nodes in unwind BB git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159534 91177308-0d34-0410-b5e6-96231b3b80d8
* IntRange:Stepan Dyatkovskiy2012-07-023-159/+98
| | | | | | | | | | | | | | | | | | | | | | | | - Changed isSingleNumber method behaviour. Now this flag is calculated on demand. IntegersSubsetMapping - Optimized diff operation. - Replaced type of Items field from std::list with std::map. - Added new methods: bool isOverlapped(self &RHS) void add(self& RHS, SuccessorClass *S) void detachCase(self& NewMapping, SuccessorClass *Succ) void removeCase(SuccessorClass *Succ) SuccessorClass *findSuccessor(const IntTy& Val) const IntTy* getCaseSingleNumber(SuccessorClass *Succ) IntegersSubsetTest - DiffTest: Added checks for successors. SimplifyCFG Updated SwitchInst usage (now it is case-ragnes compatible) for - SimplifyEqualityComparisonWithOnlyPredecessor - FoldValueComparisonIntoPredecessors git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159527 91177308-0d34-0410-b5e6-96231b3b80d8
* [asan] small code simplificationKostya Serebryany2012-07-021-18/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159522 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch extends the libLLVMDebugInfo which contains a minimalistic DWARF ↵Alexey Samsonov2012-07-027-25/+108
| | | | | | | | | | parser: 1) DIContext is now able to return function name for a given instruction address (besides file/line info). 2) llvm-dwarfdump accepts flag --functions that prints the function name (if address is specified by --address flag). 3) test case that checks the basic functionality of llvm-dwarfdump added git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159512 91177308-0d34-0410-b5e6-96231b3b80d8
* Now that RegistersDefinedFromSameValue handles one instruction being anRafael Espindola2012-07-011-14/+4
| | | | | | | | | implicit_def, the other instruction can be anything, including instructions that define multiple values. Be careful about that and don't assume what operand 0 is. Fixes pr13249. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159509 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimization of shuffle node that can fit to the register form of VBROADCAST ↵Elena Demikhovsky2012-07-012-6/+39
| | | | | | instruction on AVX2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159504 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce code size by using a second switch statement to avoid extra calls to ↵Craig Topper2012-07-011-9/+19
| | | | | | SelectAtomic64. Also catch cases where SelectAtomic64 fails. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159503 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a break to the end of case statement missed in r159501.Craig Topper2012-07-011-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159502 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a crash on release builds if gather intrinsics are passed a non-constant ↵Craig Topper2012-07-011-2/+5
| | | | | | value for the last argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159501 91177308-0d34-0410-b5e6-96231b3b80d8
* Use a second switch statement to reduce number of calls to SelectGather in ↵Craig Topper2012-07-011-17/+23
| | | | | | code. Reduces code size a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159500 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce use list thrashing by using DenseMap's find_as for maps with ↵Benjamin Kramer2012-06-302-9/+11
| | | | | | | | ValueHandle keys. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159497 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't reinsert the 'atexit' function if it already exists.Bill Wendling2012-06-301-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159491 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle implicit_defs in the register coalescer. I am still trying to produceRafael Espindola2012-06-301-27/+40
| | | | | | a reduced testcase, but this fixes pr13209. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159479 91177308-0d34-0410-b5e6-96231b3b80d8
* revert r159440. As Duncan pointed out, the test for invoke is not needed at ↵Nuno Lopes2012-06-291-2/+1
| | | | | | this point git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159471 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Clean up optimizeCompare in peephole, no functional change.Manman Ren2012-06-291-80/+73
| | | | | | | | | Use getUniqueVRegDef. Replace a loop with existing interfaces: modifiesRegister and readsRegister. Factor out code into inline functions and simplify the code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159470 91177308-0d34-0410-b5e6-96231b3b80d8
* Add SrcReg2 to analyzeCompare and optimizeCompareInstr to handle CompareManman Ren2012-06-293-28/+40
| | | | | | | instructions with two register operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159465 91177308-0d34-0410-b5e6-96231b3b80d8
* Clear kill flags in InstrEmitter::EmitSubregNode().Jakob Stoklund Olesen2012-06-291-0/+1
| | | | | | | When a local virtual register is made global, make sure to clear any existing kill flags. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159461 91177308-0d34-0410-b5e6-96231b3b80d8
* Check for extra kill flags on live-out virtual registers.Jakob Stoklund Olesen2012-06-291-0/+14
| | | | | | | This would previously get reported as the misleading "Virtual register def doesn't dominate all uses." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159460 91177308-0d34-0410-b5e6-96231b3b80d8
* CodeGenPrepare: Don't crash when TLI is not available.Benjamin Kramer2012-06-291-1/+2
| | | | | | This happens when codegenprepare is invoked via opt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159457 91177308-0d34-0410-b5e6-96231b3b80d8
* Add getUniqueVRegDef to MachineRegisterInfo.Manman Ren2012-06-291-0/+11
| | | | | | | This comes in handy during peephole optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159453 91177308-0d34-0410-b5e6-96231b3b80d8
* Rework this to clarify where the removal of nodes from the queue isDuncan Sands2012-06-291-8/+9
| | | | | | | really happening. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159451 91177308-0d34-0410-b5e6-96231b3b80d8
* RefreshCallGraph: ignore 'invoke intrinsic'. IntrinsicInst doesnt not ↵Nuno Lopes2012-06-291-1/+3
| | | | | | recognize invoke, and shouldnt at this point, since the rest of LLVM codebase doesnt expect invoke of intrinsics git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159441 91177308-0d34-0410-b5e6-96231b3b80d8
* ignore 'invoke new' in isInstructionTriviallyDead, since most callers are ↵Nuno Lopes2012-06-291-1/+2
| | | | | | not ready to handle invokes. instcombine will take care of this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159440 91177308-0d34-0410-b5e6-96231b3b80d8
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