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2012-06-06Move RegisterClassInfo.h.Andrew Trick
Allow targets to access this API. It's required for RegisterPressure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158102 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Remove dead private member variables from gtest.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158101 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Move RegisterPressure.h.Andrew Trick
Make it a general utility for use by Targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158097 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Round 2 of dead private variable removal.Benjamin Kramer
LLVM is now -Wunused-private-field clean except for - lib/MC/MCDisassembler/Disassembler.h. Not sure why it keeps all those unaccessible fields. - gtest. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158096 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Remove unused private fields found by clang's new -Wunused-private-field.Benjamin Kramer
There are some that I didn't remove this round because they looked like obvious stubs. There are dead variables in gtest too, they should be fixed upstream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158090 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Add support for dynamic stack realignment in the presence of dynamic allocas onChad Rosier
X86. rdar://11496434 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158087 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Fix combine of uno && ord -> false so that the ordering of the fcmps doesn'tChad Rosier
matter. rdar://11579835 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158084 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Remove dead debug option -disable-rematerialization.Jakob Stoklund Olesen
Remat has been stable for years, and it isn't done by LiveIntervalAnalysis any longer. (See LiveRangeEdit). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158079 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Grab-bag of reassociate tweaks. Unify handling of dead instructions andDuncan Sands
instructions to reoptimize. Exploit this to more systematically eliminate dead instructions (this isn't very useful in practice but is convenient for analysing some testcase I am working on). No need for WeakVH any more: use an AssertingVH instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158073 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Stop leaking RegScavengers from TailDuplication.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158069 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Correct decoder for T1 conditional B encodingRichard Barton
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158055 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Add a new broken compiler.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158053 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Mark several instructions SSE2 instead of SSE3 as they should be.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158049 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Fix gtest build issue on Visual Studio 2012 RCJustin Holewinski
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158046 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Remove extraneous CHECK-NOTs from previous commit and add a new test case.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158045 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06FileCheckize this test.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158044 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Move LiveUnionArray into LiveIntervalUnion.hJakob Stoklund Olesen
It is useful outside RegAllocBase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158041 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Don't print register names in LiveIntervalUnion::print().Jakob Stoklund Olesen
Soon we'll be making LiveIntervalUnions for register units as well. This was the only place using the RepReg member, so just remove it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158038 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Suppress -Wunused-variable in -Asserts buildMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158037 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Simplify LiveInterval::print().Jakob Stoklund Olesen
Don't print out the register number and spill weight, making the TRI argument unnecessary. This allows callers to interpret the reg field. It can currently be a virtual register, a physical register, a spill slot, or a register unit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158031 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Add experimental support for register unit liveness.Jakob Stoklund Olesen
Instead of computing a live interval per physreg, LiveIntervals can compute live intervals per register unit. This makes impossible the confusing situation where aliasing registers could have overlapping live intervals. It should also make fixed interferernce checking cheaper since registers have fewer register units than aliases. Live intervals for regunits are computed on demand, using MRI use-def chains and the new LiveRangeCalc class. Only regunits live in to ABI blocks are precomputed during LiveIntervals::runOnMachineFunction(). The regunit liveness computations don't depend on LiveVariables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158029 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Implement LiveRangeCalc::extendToUses() and createDeadDefs().Jakob Stoklund Olesen
These LiveRangeCalc methods are to be used when computing a live range from scratch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158027 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05MachineInstr::eraseFromParent fix for removing bundled instrs.Andrew Trick
Patch by Ivan Llopard. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158025 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05misched: API for minimum vs. expected latency.Andrew Trick
Minimum latency determines per-cycle scheduling groups. Expected latency determines critical path and cost. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158021 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Add 3.0 and 3.1 tags to the getting started guide.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158020 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Add a new intrinsic: llvm.fmuladd. This intrinsic represents a multiply-addLang Hames
expression (a * b + c) that can be implemented as a fused multiply-add (fma) if the target determines that this will be more efficient. This intrinsic will be used to implement FP_CONTRACT support and an aggressive FMA formation mode. If your target has a fast FMA instruction you should override the isFMAFasterThanMulAndAdd method in TargetLowering to return true. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158014 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Fix header file include order in NVPTX backend NV_CONTRIBYuan Lin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158013 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05LoopUnroll: always check for NULL LoopPassManagerAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158007 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Remove dead function.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158005 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05PPC32 uses R2 as the TLS register. Fix the copy and paste.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158004 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05IntegersSubsetMapping: added exclude operation, that allows to exclude ↵Stepan Dyatkovskiy
subset of integers from current mapping. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157989 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05IntegersSubsetMapping:Stepan Dyatkovskiy
Changed type of Items collection: from std::vector to std::list. Also some small fixes made in IntegersSubset.h, IntegersSubsetMapping.h and IntegersSubsetTest.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157987 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05X86 itinerary properties.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157981 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05ARM itinerary properties.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157980 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05misched: Added MultiIssueItineraries.Andrew Trick
This allows a subtarget to explicitly specify the issue width and other properties without providing pipeline stage details for every instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157979 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05sdsched: Use the right heuristics when -mcpu is not provided and we have no ↵Andrew Trick
itinerary. Use ILP heuristics for long latency instrs if no scoreboard exists. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157978 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05misched: Allow disabling scoreboard hazard checking for subtargets with aAndrew Trick
valid itinerary but no pipeline stages. An itinerary can contain useful scheduling information without specifying pipeline stages for each instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157977 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05whitespaceAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157976 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05misched: comments from code review.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157975 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Remove the last remat-related code from LiveIntervalAnalysis.Jakob Stoklund Olesen
Rematerialization is handled by LiveRangeEdit now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157974 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Stop using LiveIntervals::isReMaterializable().Jakob Stoklund Olesen
It is an old function that does a lot more than required by CalcSpillWeights, which was the only remaining caller. The isRematerializable() function never actually sets the isLoad argument, so don't try to compute that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157973 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-05Revert commit r157966Joel Jones
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157972 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-04This change handles a another case for generating the bic instruction Joel Jones
when a compile time constant is known. This occurs when implicitly zero extending function arguments from 16 bits to 32 bits. <rdar://problem/11481151> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157966 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-04Delete dead code.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157963 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-04When gvn decides to replace an instruction with another, we have to patch theRafael Espindola
replacement to make it at least as generic as the instruction being replaced. This includes: * dropping nsw/nuw flags * getting the least restrictive tbaa and fpmath metadata * merging ranges Fixes PR12979. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157958 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-04Switch LiveIntervals member variable to LLVM naming standards.Jakob Stoklund Olesen
No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157957 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-04Pass context pointers to LiveRangeCalc::reset().Jakob Stoklund Olesen
Remove the same pointers from all the other LiveRangeCalc functions, simplifying the interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157941 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-04Add a test case for mips64 unaligned load/store instructions.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157939 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-04Rename test/CodeGen/Mips/load-shift-left-right.ll.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157938 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-04Fix a bug in MipsTargetLowering::LowerLOAD. A shift-right-logical node isAkira Hatanaka
inserted after the shift-left-logical node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157937 91177308-0d34-0410-b5e6-96231b3b80d8
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