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2009-10-10Create a new InstrEmitter class for translating SelectionDAG nodesDan Gohman
into MachineInstrs. This is mostly just moving the code from ScheduleDAGSDNodesEmit.cpp into a new class. This decouples MachineInstr emitting from scheduling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83699 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10Make getMachineNode return a MachineSDNode* instead of a generic SDNode*Dan Gohman
since it won't do any folding. This will help avoid some inconvenient casting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83698 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10Remove a no-longer-necessary #include.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83697 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10Replace X86's CanRematLoadWithDispOperand by calling the target-independentDan Gohman
MachineInstr::isInvariantLoad instead, which has the benefit of being more complete. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83696 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-10Fix a missing initialization of PostRAScheduler's AA member.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83695 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09The ScheduleDAG framework now requires an AliasAnalysis argument, thoughDan Gohman
it isn't needed in the ScheduleDAGSDNodes schedulers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83691 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Mark the LDR instruction with isReMaterializable, as it is rematerializableDan Gohman
when loading from an invariant memory location. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83688 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Factor out LiveIntervalAnalysis' code to determine whether an instructionDan Gohman
is trivially rematerializable and integrate it into TargetInstrInfo::isTriviallyReMaterializable. This way, all places that need to know whether an instruction is rematerializable will get the same answer. This enables the useful parts of the aggressive-remat option by default -- using AliasAnalysis to determine whether a memory location is invariant, and removes the questionable parts -- rematting operations with virtual register inputs that may not be live everywhere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83687 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Extract scope information from the variable itself, instead of relying on ↵Devang Patel
alloca or llvm.dbg.declare location. While recording beginning of a function, use scope info from the first location entry instead of just relying on first location entry itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83684 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09ExecutionEngine::clearGlobalMappingsFromModule failed to remove reverseJeffrey Yasskin
mappings, which could cause errors and assert-failures. This patch fixes that, adds a test, and refactors the global-mapping-removal code into a single place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83678 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Add a const qualifier.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83677 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Use names instead of numbers for some of the magicDale Johannesen
constants used in inlining heuristics (especially those used in more than one file). No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83675 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Added another bit of the ARM target assembler to llvm-mc to parse registerKevin Enderby
lists. Changed ARMAsmParser::MatchRegisterName to return -1 instead of 0 on errors so 0-15 values could be returned as register numbers. Also added the rest of the arm register names to the currently hacked up version to allow more testing. Some changes to ARMAsmParser::ParseOperand to give different errors for things not yet supported and some additions to the hacked ARMAsmParser::MatchInstruction to allow more testing for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83673 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09isTriviallyReMaterializable checks theDan Gohman
TargetInstrDesc::isRematerializable flag, so it isn't necessary to do this check in its callers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83671 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Fix the x86 test-shrink optimization so that it doesn't shrink comparisonsDan Gohman
when one of the bits being tested would end up being the sign bit in the narrower type, and a signed comparison is being performed, since this would change the result of the signed comparison. This fixes PR5132. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83670 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Add basic infrastructure and x86 support for preserving MachineMemOperandDan Gohman
information when unfolding memory references. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83656 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Check invalid debug info for enums. This may happen when underlyng enum is ↵Devang Patel
optimized away. Eventually DwarfChecker will clean this up during llvm verification stage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83655 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09when previous scratch register is killed, flag the value as no longer trackingJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83653 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Revert r83606 and add comments explaining why it isn't safe.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83649 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Give Dan and my recent changes, machine LICM is now code size neutral.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83624 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Fix a logic error that caused non-rematable loop invariants loads to be ↵Evan Cheng
licm'ed out of loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83622 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Reset kill markers after live interval is reconstructed.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83608 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Preserve HasNSW and HasNUW when constructing SCEVs for Add and MulDan Gohman
instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83606 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09When considering whether to inline Callee into Caller,Dale Johannesen
and that will make Caller too big to inline, see if it might be better to inline Caller into its callers instead. This situation is described in PR 2973, although I haven't tried the specific case in SPASS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83602 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Add the ability to track HasNSW and HasNUW on more kinds of SCEV expressions.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83601 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Add codegen support for NEON vst4lane intrinsics with 128-bit vectors.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83600 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add codegen support for NEON vst3lane intrinsics with 128-bit vectors.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83598 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add codegen support for NEON vst2lane intrinsics with 128-bit vectors.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83596 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add codegen support for NEON vld4lane intrinsics with 128-bit vectors.Bob Wilson
Also fix some copy-and-paste errors in previous changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83590 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Remove code that makes no sense.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83589 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add codegen support for NEON vld3lane intrinsics with 128-bit vectors.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83585 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Update CMake build yet again after a source file was removedDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83575 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08It's possible for a global variable to be optimized out of a metadata object. SoBill Wendling
we should allow a "null" with this dyn_cast. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83573 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Use lower16 / upper16 imm modifiers to asmprint 32-bit imms splitted via ↵Anton Korobeynikov
movt/movw pair. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83572 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Clear variable debug info map at the end of the function.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83571 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add codegen support for NEON vld2lane intrinsics with 128-bit vectors.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83568 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Clean up some unnecessary initializations.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83566 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Clean up a comment (indentation was wrong).Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83565 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add a SelectionDAG getTargetInsertSubreg convenience function,Bob Wilson
similar to getTargetExtractSubreg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83564 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Do not record line number to implicitly mark start of function if function ↵Devang Patel
has arguments. Extra line number entries trip gdb in some cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83563 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add missing names for the XCore specific LADD and LSUB nodes.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83556 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add a form of addPreserved which takes a string argument, to allow passesDan Gohman
to declare that they preserve other passes without needing to pull in additional header file or library dependencies. Convert MachineFunctionPass and CodeGenLICM to make use of this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83555 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add some peepholes for signed comparisons using ashr X, X, 32.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83549 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08remove LoopVR pass. According to Nick:Chris Lattner
"LoopVR's logic was copied into ScalarEvolution::getUnsignedRange and ::getSignedRange. Please delete LoopVR." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83531 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add codegen support for NEON vst4 intrinsics with <1 x i64> vectors.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83526 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Cleanup up unused R3LiveIn tracking.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83522 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Re-enable register scavenging in Thumb1 by default.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83521 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08bugfix. The target may use virtual registers that aren't tracked for re-use ↵Jim Grosbach
but are allocated by the scavenger. The re-use algorithm needs to watch for that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83519 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add codegen support for NEON vst3 intrinsics with <1 x i64> vectors.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83518 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Add codegen support for NEON vst2 intrinsics with <1 x i64> vectors.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83513 91177308-0d34-0410-b5e6-96231b3b80d8
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