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* - Add sugregister logic to handle f64=(f32,f32).Bruno Cardoso Lopes2009-11-194-2/+166
| | | | | | | | | | | | | | - Support mips1 like load/store of doubles: Instead of: sdc $f0, X($3) Generate: swc $f0, X($3) swc $f1, X+4($3) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89322 91177308-0d34-0410-b5e6-96231b3b80d8
* Only use small sections for non linux targets!Bruno Cardoso Lopes2009-11-191-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89316 91177308-0d34-0410-b5e6-96231b3b80d8
* Added a new Spiller implementation which wraps ↵Lang Hames2009-11-193-25/+55
| | | | | | | | | | | LiveIntervals::addIntervalsForSpills. All spiller calls in RegAllocLinearScan now go through the new Spiller interface. The "-new-spill-framework" command line option has been removed. To use the trivial in-place spiller you should now pass "-spiller=trivial -rewriter=trivial". (Note the trivial spiller/rewriter are only meant to serve as examples of the new in-place modification work. Enabling them will yield terrible, though hopefully functional, code). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89311 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach IVUsers to keep things simpler and track loop-invariant strides onlyJim Grosbach2009-11-191-0/+10
| | | | | | | for uses inside the loop. This works better with LSR. Disabled behind -simplify-iv-users while benchmarking. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89299 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate duplicate phi nodes in loops. Loop rotation, for example, can ↵Jim Grosbach2009-11-191-0/+6
| | | | | | introduce these, and it's beneficial to later passes to clean them up. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89298 91177308-0d34-0410-b5e6-96231b3b80d8
* Make EliminateDuplicatePHINodes() available as a utility functionJim Grosbach2009-11-191-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89297 91177308-0d34-0410-b5e6-96231b3b80d8
* The "ReadOnlyWithRel" enum seems to apply more to what Darwin does with the EHBill Wendling2009-11-192-5/+6
| | | | | | | exception table than DataRel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89279 91177308-0d34-0410-b5e6-96231b3b80d8
* There should be no need to keep renumbering blocks during tail duplication.Bob Wilson2009-11-181-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89275 91177308-0d34-0410-b5e6-96231b3b80d8
* Add XCore support for indirectbr / blockaddress.Richard Osborne2009-11-184-1/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89273 91177308-0d34-0410-b5e6-96231b3b80d8
* Attempt #2:Bill Wendling2009-11-182-7/+29
| | | | | | | | Place the EH table in the __TEXT section on MachO. It saves space. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89270 91177308-0d34-0410-b5e6-96231b3b80d8
* Tail duplication still needs to iterate. Duplicating new instructions ontoBob Wilson2009-11-181-3/+7
| | | | | | | the tail of a block may make that block a new candidate for duplication. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89264 91177308-0d34-0410-b5e6-96231b3b80d8
* Add another statistic to measure code size due to tail duplication.Bob Wilson2009-11-181-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89254 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR5300.Jakob Stoklund Olesen2009-11-181-12/+5
| | | | | | | | When TwoAddressInstructionPass deletes a dead instruction, make sure that all register kills are accounted for. The 2-addr register does not get special treatment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89246 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow the machine verifier to be run outside the PassManager.Jakob Stoklund Olesen2009-11-181-17/+160
| | | | | | Verify LiveVariables information when present. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89241 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the -early-coalescing optionJakob Stoklund Olesen2009-11-181-137/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89240 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed the in-place spiller and trivial rewriter, which had been broken by ↵Lang Hames2009-11-183-221/+56
| | | | | | the recent SlotIndexes work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89238 91177308-0d34-0410-b5e6-96231b3b80d8
* Added getDefaultSubtargetFeatures method to SubtargetFeatures class which ↵Viktor Kutuzov2009-11-181-0/+27
| | | | | | returns a correct feature string for given triple. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89236 91177308-0d34-0410-b5e6-96231b3b80d8
* Add statistics for tail duplication.Bob Wilson2009-11-181-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89225 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ARMv6 itineraries.David Goodwin2009-11-183-13/+201
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89218 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a few places that were missed when we converted to unified syntax.Bob Wilson2009-11-181-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89214 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't require LiveVariables for PHIElimination. Enable critical edge splittingJakob Stoklund Olesen2009-11-182-28/+9
| | | | | | | | | | | | when LiveVariables is available. The -split-phi-edges is now gone, and so is the hack to disable it when using the local register allocator. The PHIElimination pass no longer has LiveVariables as a prerequisite - that is what broke the local allocator. Instead we do critical edge splitting when possible - that is when LiveVariables is available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89213 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix passing of float arguments through ffi.Nick Lewycky2009-11-181-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89198 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a target hook to allow changing the tail duplication limit based on theBob Wilson2009-11-185-4/+25
| | | | | | | | | | contents of the block to be duplicated. Use this for ARM Cortex A8/9 to be more aggressive tail duplicating indirect branches, since it makes it much more likely that they will be predicted in the branch target buffer. Testcase coming soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89187 91177308-0d34-0410-b5e6-96231b3b80d8
* The llvm-gcc front-end and the pass manager use two separate TargetData objects.Bill Wendling2009-11-181-24/+116
| | | | | | | | | | | | | | | | | | | This is probably not confined to *just* these two things. Anyway, the llvm-gcc front-end may look up the structure layout information for an abstract type. That information will be stored into a table with the FE's TD. Instruction combine can come along and also ask for information on that abstract type, but for a separate TD (the one associated with the pass manager). After the type is refined, the old structure layout information in the pass manager's TD file is out of date. If a new type is allocated in the same space as the old-unrefined type, then the structure type information in the pass manager's TD file will be wrong, but won't know it. Fix this by making the TD's structure type information an abstract type user. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89176 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify ComputeMultiple so that it doesn't depend on TargetData.Dan Gohman2009-11-182-25/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89175 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix inverted test and add testcase from failing self-host.Jakob Stoklund Olesen2009-11-181-9/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89167 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead code.Devang Patel2009-11-171-55/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89156 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ability to set code model within the execution engine buildersEric Christopher2009-11-173-8/+15
| | | | | | | and creation interfaces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89151 91177308-0d34-0410-b5e6-96231b3b80d8
* grammarJim Grosbach2009-11-171-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89145 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable arm jumpt table adjustment.Jim Grosbach2009-11-171-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89143 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable -split-phi-edges to unbreak the buildbotsJakob Stoklund Olesen2009-11-171-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89142 91177308-0d34-0410-b5e6-96231b3b80d8
* Never call UpdateTerminator() when AnalyzeBranch would fail.Jakob Stoklund Olesen2009-11-171-1/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89139 91177308-0d34-0410-b5e6-96231b3b80d8
* Both Darwin as and GNU as violate ARM docs wrt printing of addrmode6Anton Korobeynikov2009-11-171-5/+2
| | | | | | alignment imm (in the same way). Fix asmprinting for non-darwin platforms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89137 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a WriteAsOperand for MachineBasicBlock so MachineLoopInfo dump looks sane.Evan Cheng2009-11-171-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89130 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comment.Evan Cheng2009-11-171-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89129 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable -split-phi-edges by default, except when -regalloc=local.Jakob Stoklund Olesen2009-11-171-3/+15
| | | | | | | The local register allocator doesn't like it when LiveVariables is run. We should also disable edge splitting under -O0, but that has to wait a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89125 91177308-0d34-0410-b5e6-96231b3b80d8
* 80-column violationsJim Grosbach2009-11-171-8/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89123 91177308-0d34-0410-b5e6-96231b3b80d8
* Added getArchNameForAssembler method to the Triple class for which returns ↵Viktor Kutuzov2009-11-171-0/+27
| | | | | | OS and Vendor independent target assembler arch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89122 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove a special case for tail merging that seems to be both broken andBob Wilson2009-11-171-33/+0
| | | | | | | | | | | | unnecessary. It is broken because the "isIdenticalTo" check should be negated. If that is fixed, this code causes the CodeGen/X86/tail-opts.ll test to fail, in the dont_merge_oddly function. And, I confirmed that the regression is real -- the generated code is worse. As far as I can tell, that tail-opts.ll test is checking for what this code is supposed to handle and we're doing the right thing anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89121 91177308-0d34-0410-b5e6-96231b3b80d8
* Generalize OptimizeLoopTermCond to optimize more loop terminating icmp to ↵Evan Cheng2009-11-171-87/+99
| | | | | | use postinc iv. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89116 91177308-0d34-0410-b5e6-96231b3b80d8
* Set MadeChange instead of MadeChangeThisIteration.Dan Gohman2009-11-171-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89114 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert CPU detection code to return "generic" instead of an empty string in caseBenjamin Kramer2009-11-172-4/+4
| | | | | | | | of failure. The x86 target didn't like empty cpu names and broke x86 tests on non-x86 buildbots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89111 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove trailing whitespaceJim Grosbach2009-11-171-74/+74
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89110 91177308-0d34-0410-b5e6-96231b3b80d8
* Update a comment, now that tail duplication happens after other branchBob Wilson2009-11-171-2/+2
| | | | | | | folding optimizations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89109 91177308-0d34-0410-b5e6-96231b3b80d8
* Set Inst{15-12} (Rd/Rt) to 0b1111 (PC) for BR_JTadd, BR_JTr, and BR_JTm toJohnny Chen2009-11-171-0/+3
| | | | | | | distinguish between them and the more generic instructions (add, mov, and ldr). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89108 91177308-0d34-0410-b5e6-96231b3b80d8
* Perform tail duplication only once, after tail merging is complete.Bob Wilson2009-11-172-33/+68
| | | | | | | | It was too difficult to keep the heuristics for merging and duplication consistent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89105 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 89021. It's miscompiling llvm-gcc driver driver at -O0.Evan Cheng2009-11-171-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89082 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-apply 89011. It's not to be blamed.Evan Cheng2009-11-172-4/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89081 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 89011. Buildbot thinks it might be breaking stuff.Evan Cheng2009-11-172-7/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89076 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove VISIBILITY_HIDDEN from the classes in this directory. Fixes bug 5507.Nick Lewycky2009-11-175-19/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89075 91177308-0d34-0410-b5e6-96231b3b80d8
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