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* Removed the extra S from the multiclass def T2I_adde_sube_s_irs as well as fromJohnny Chen2010-03-021-14/+14
| | | | | | | the opc string passed in, since it's a given from the class inheritance of T2sI. The fixed the extra 's' in adcss & sbcss when disassembly printing. llvm-svn: 97582
* run HandleMergeInputChains even if we only have one input chain.Chris Lattner2010-03-021-29/+3
| | | | llvm-svn: 97581
* When expanding an expression such as (A + B + C + D), sort the operandsDan Gohman2010-03-022-34/+124
| | | | | | | by loop depth and emit loop-invariant subexpressions outside of loops. This speeds up MultiSource/Applications/viterbi and others. llvm-svn: 97580
* Swap parameters of isSafeToMove and isSafeToReMat for consistency.Evan Cheng2010-03-026-14/+14
| | | | llvm-svn: 97578
* Fix typo.Evan Cheng2010-03-021-1/+1
| | | | llvm-svn: 97577
* clean up some testcases.Chris Lattner2010-03-022-15/+1
| | | | llvm-svn: 97576
* the sorting predicate should work for comparing an elementChris Lattner2010-03-021-1/+1
| | | | | | to itself, even though this isn't wildly useful. llvm-svn: 97574
* Added 32-bit Thumb instructions: CPS, SDIV, UDIV, SXTB16, SXTAB16, UXTAB16, SEL,Johnny Chen2010-03-022-7/+164
| | | | | | | SMMULR, SMMLAR, SMMLSR, TBB, TBH, and 16-bit Thumb instruction CPS for disassembly only. llvm-svn: 97573
* Fix grammar.Devang Patel2010-03-021-1/+1
| | | | | | Thanks Duncan! llvm-svn: 97572
* AL is an optional mnemonic extension for always, except in IT instructions.Johnny Chen2010-03-024-1/+15
| | | | | | | Add printMandatoryPredicateOperand() PrintMethod for IT predicate printing. Ref: A8.3 Conditional execution llvm-svn: 97571
* Change some asm shift opcode strings to lowercase.Johnny Chen2010-03-021-6/+6
| | | | llvm-svn: 97567
* fix typo add missing (Xerxes Ranby2010-03-021-2/+2
| | | | llvm-svn: 97565
* Unbreak llvm-arm-linux buildbot and fix PR5309.Xerxes Ranby2010-03-021-2/+2
| | | | llvm-svn: 97564
* Rather than passing "false" for InsertBefore, AddressSpace for ThreadLocal,Duncan Sands2010-03-021-2/+2
| | | | | | | and nothing for AddressSpace, pass 0 for InsertBefore, "false" for ThreadLocal and AddressSpace for AddressSpace. Spotted by gcc-4.5. llvm-svn: 97563
* Fix the xfail I added a couple of patches back. The issueChris Lattner2010-03-023-13/+46
| | | | | | | | | was that we weren't properly handling the case when interior nodes of a matched pattern become dead after updating chain and flag uses. Now we handle this explicitly in UpdateChainsAndFlags. llvm-svn: 97561
* I was confused about this, it turns out that MorphNodeToChris Lattner2010-03-021-3/+2
| | | | | | *does* delete ex-operands that become dead. llvm-svn: 97559
* factor node morphing out to its own helper method.Chris Lattner2010-03-022-54/+64
| | | | llvm-svn: 97558
* attributes are not part of types anymore, patch by James Woodyatt!Chris Lattner2010-03-021-12/+12
| | | | llvm-svn: 97557
* eliminate CodeGen/DAGISelHeader.h, it is empty now.Chris Lattner2010-03-022-30/+0
| | | | llvm-svn: 97556
* Sink InstructionSelect() out of each target into SDISel, and rename itChris Lattner2010-03-0217-430/+114
| | | | | | | | | | | | DoInstructionSelection. Inline "SelectRoot" into it from DAGISelHeader. Sink some other stuff out of DAGISelHeader into SDISel. Eliminate the various 'Indent' stuff from various targets, which dates to when isel was recursive. 17 files changed, 114 insertions(+), 430 deletions(-) llvm-svn: 97555
* Only save vector registers if we've defined for the vector registers.Eric Christopher2010-03-021-2/+2
| | | | | | Fixes PR5309. llvm-svn: 97554
* move some code out of DAGISelHeader up to SelectionDAGISel.h where itChris Lattner2010-03-021-0/+49
| | | | | | is shared by all targets. llvm-svn: 97553
* Fix looking up MD names to not need a module.Erick Tryzelaar2010-03-021-10/+12
| | | | llvm-svn: 97550
* Move the docsdir to /usr/share/doc/llvm to match other projects.Eric Christopher2010-03-022-5/+5
| | | | | | Fixes PR6267. llvm-svn: 97549
* Make sure we save CXXFLAGS before setting it as pedantic and regenerateEric Christopher2010-03-022-0/+4
| | | | | | | | | | configure. Fixes PR6388. Patch by Yann Droneaud! llvm-svn: 97548
* Add file to CMakeLists.txtEric Christopher2010-03-021-0/+1
| | | | llvm-svn: 97545
* Add skeleton of a machine level cse pass.Evan Cheng2010-03-022-0/+128
| | | | llvm-svn: 97543
* Add count() and lookup() to ScopedHashTable. It might be useful to get ↵Evan Cheng2010-03-021-0/+8
| | | | | | information out of the hash table. llvm-svn: 97542
* Use the right induction variable.Chris Lattner2010-03-021-2/+2
| | | | llvm-svn: 97541
* Rewrite chain handling validation and input TokenFactor handlingChris Lattner2010-03-028-114/+160
| | | | | | | | | | | | | | | | | | | | | | | | | | | stuff now that we don't care about emulating the old broken behavior of the old isel. This eliminates the 'CheckChainCompatible' check (along with IsChainCompatible) which did an incorrect and inefficient scan *up* the chain nodes which happened as the pattern was being formed and does the validation at the end in HandleMergeInputChains when it forms a structural pattern. This scans "down" the graph, which means that it is quickly bounded by nodes already selected. This also handles token factors that get "trapped" in the dag. Removing the CheckChainCompatible nodes also shrinks the generated tables by about 6K for X86 (down to 83K). There are two pieces remaining before I can nuke PreprocessRMW: 1. I xfailed a test because we're now producing worse code in a case that has nothing to do with the change: it turns out that our use of MorphNodeTo will leave dead nodes in the graph which (depending on how the graph is walked) end up causing bogus uses of chains and blocking matches. This is really bad for other reasons, so I'll fix this in a follow-up patch. 2. CheckFoldableChainNode needs to be improved to handle the TF. llvm-svn: 97539
* Fix several places to handle vector operands properly.Dan Gohman2010-03-024-11/+19
| | | | | | Based on a patch by Micah Villmow for PR6438. llvm-svn: 97538
* Non-affine post-inc SCEV expansions have more code which must beDan Gohman2010-03-023-3/+51
| | | | | | | emitted after the increment. Make sure the insert position reflects this. This fixes PR6453. llvm-svn: 97537
* Remove dead parameter passing.Bill Wendling2010-03-0211-70/+59
| | | | llvm-svn: 97536
* Constructors and operators for anonymous aggregates does not names. Do not ↵Devang Patel2010-03-021-1/+3
| | | | | | force empty AT_name attribute in such cases. llvm-svn: 97533
* Floating-point add, sub, and mul are now spelled fadd, fsub, and fmul,Dan Gohman2010-03-0217-100/+100
| | | | | | respectively. llvm-svn: 97531
* PerformTailCallOpt was renamed to GuaranteedTailCallOpt toDan Gohman2010-03-021-1/+1
| | | | | | | better reflect its meaning, now that tail call optimizations are done by default in some cases. llvm-svn: 97530
* remove dead code.Chris Lattner2010-03-021-31/+0
| | | | llvm-svn: 97529
* add some missing \n'sChris Lattner2010-03-021-11/+19
| | | | llvm-svn: 97527
* Don't attempt load PRE when there is no real redundancy (i.e., the load is inBob Wilson2010-03-021-4/+6
| | | | | | a loop and is itself the only dependency). llvm-svn: 97526
* refactor some code out of OPC_EmitMergeInputChains into aChris Lattner2010-03-021-21/+37
| | | | | | new helper function. llvm-svn: 97525
* remove some functions that were only used by theChris Lattner2010-03-011-23/+1
| | | | | | old isel generated code. llvm-svn: 97522
* When GVN needs to split critical edges for load PRE, check all of theBob Wilson2010-03-011-1/+4
| | | | | | | | predecessors before returning. Otherwise, if multiple predecessor edges need splitting, we only get one of them per iteration. This makes a small but measurable compile time improvement with -enable-full-load-pre. llvm-svn: 97521
* fixme resolved.Chris Lattner2010-03-011-3/+0
| | | | llvm-svn: 97517
* remove a little hack I did for the old isel, not neededChris Lattner2010-03-012-20/+2
| | | | | | now that it is gone. llvm-svn: 97516
* resolve some fixmesChris Lattner2010-03-011-10/+3
| | | | llvm-svn: 97515
* resolve a fixme and simplify code by moving insertion of theChris Lattner2010-03-011-18/+8
| | | | | | | | EmitMergeInputChainsMatcher node up into EmitResultCode. This doesn't have much of an effect on the generated code, the X86 table is exactly the same size. llvm-svn: 97514
* resolve a fixme by having the .td file parser reject thigns likeChris Lattner2010-03-014-12/+14
| | | | | | | | (set GPR, somecomplexpattern) if somecomplexpattern doesn't declare what it can match. llvm-svn: 97513
* MemoryDepAnalysis is not used if redundant load processing is disabled.Evan Cheng2010-03-011-1/+1
| | | | llvm-svn: 97512
* remove all but one version of SelectionDAG::MorphNodeToChris Lattner2010-03-012-101/+1
| | | | | | (the most general) the others are dead. llvm-svn: 97511
* remove dead code, simplify.Chris Lattner2010-03-011-10/+4
| | | | llvm-svn: 97510
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