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* Tell ScalarEvolution to forget everything it knows about a loop beforeDan Gohman2009-09-271-0/+5
| | | | | | | rotating the loop, since loop rotation is a very significant change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82901 91177308-0d34-0410-b5e6-96231b3b80d8
* Instruction::clone does not need to take an LLVMContext&. Remove that andNick Lewycky2009-09-271-1/+1
| | | | | | | update all the callers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82889 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix SplitCriticalEdge to properly update LCSSA form when splitting aDan Gohman2009-09-091-16/+1
| | | | | | | | | | | loop exit edge -- new PHIs may be needed not only for the additional splits that are made to preserve LoopSimplify form, but also for the original split. Factor out the code that inserts new PHIs so that it can be used for both. Remove LoopRotation.cpp's code for manually updating LCSSA form, as it is now redundant. This fixes PR4934. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81363 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861Chris Lattner2009-09-021-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80766 91177308-0d34-0410-b5e6-96231b3b80d8
* Push LLVMContexts through the IntegerType APIs.Owen Anderson2009-08-131-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78948 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix dom frontier update. This fixes PR4667.Devang Patel2009-08-071-19/+23
| | | | | | | Patch by Jakub Staszak. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78388 91177308-0d34-0410-b5e6-96231b3b80d8
* Get rid of the Pass+Context magic.Owen Anderson2009-07-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76702 91177308-0d34-0410-b5e6-96231b3b80d8
* This started as a small change, I swear. Unfortunately, lots of things call ↵Owen Anderson2009-07-091-1/+1
| | | | | | the [I|F]CmpInst constructors. Who knew!? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75200 91177308-0d34-0410-b5e6-96231b3b80d8
* More minor code simplifications.Dan Gohman2009-06-271-14/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74395 91177308-0d34-0410-b5e6-96231b3b80d8
* Change this code to a form about which VC++ reportedly isn't unhappy.Dan Gohman2009-06-261-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74243 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor code simplification.Dan Gohman2009-06-261-7/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74240 91177308-0d34-0410-b5e6-96231b3b80d8
* Reword a few comments.Dan Gohman2009-06-251-17/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74146 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not count DbgInfoIntrinsic while estimating loop header size.Devang Patel2009-03-061-2/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66245 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename getAnalysisToUpdate to getAnalysisIfAvailable.Duncan Sands2009-01-281-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63198 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3408 by making a non-obvious assumption very obvious, and lattner2009-01-261-2/+6
| | | | | | | handling the flaw inherent in that assumption. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62984 91177308-0d34-0410-b5e6-96231b3b80d8
* More cleanups and simplifications, no functionality change.lattner2009-01-261-47/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62983 91177308-0d34-0410-b5e6-96231b3b80d8
* tidy assertslattner2009-01-261-18/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62982 91177308-0d34-0410-b5e6-96231b3b80d8
* Change create*Pass factory functions to return Pass* instead ofDaniel Dunbar2008-10-221-1/+1
| | | | | | | | | | | | LoopPass*. - Although less precise, this means they can be used in clients without RTTI (who would otherwise need to include LoopPass.h, which eventually includes things using dynamic_cast). This was the simplest solution that presented itself, but I am happy to use a better one if available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58010 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up several unbeseeming casts from pointer to intptr_t.Dan Gohman2008-09-041-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55779 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable first-class aggregates support.Dan Gohman2008-07-231-29/+5
| | | | | | | | | | | | | Remove the GetResultInst instruction. It is still accepted in LLVM assembly and bitcode, where it is now auto-upgraded to ExtractValueInst. Also, remove support for return instructions with multiple values. These are auto-upgraded to use InsertValueInst instructions. The IRBuilder still accepts multiple-value returns, and auto-upgrades them to InsertValueInst instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53941 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid using BasicBlock::getInstList directly in a few places.Dan Gohman2008-06-191-9/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52497 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places toDan Gohman2008-05-231-3/+1
| | | | | | | use it instead of duplicating its functionality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51499 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bunch of 80col violations that arose from the Create API change. Tweak ↵Gabor Greif2008-05-151-1/+2
| | | | | | makefile targets to find these better. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51143 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up the use of static and anonymous namespaces. This turned upDan Gohman2008-05-131-3/+3
| | | | | | | | several things that were neither in an anonymous namespace nor static but not intended to be global. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51017 91177308-0d34-0410-b5e6-96231b3b80d8
* add a FIXME so we remember to eventually remove this code.Chris Lattner2008-05-021-5/+6
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* Don't try to create PHIs of struct types. FalloutDale Johannesen2008-05-011-8/+31
| | | | | | | | from x86-64 calling convention work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50545 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r49614. As Dan pointed out, some of these aren't correct.Owen Anderson2008-04-141-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49657 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace calls of the form V1->setName(V2->getName()) with V1->takeName(V2), Owen Anderson2008-04-131-1/+1
| | | | | | | which is significantly more efficient. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49614 91177308-0d34-0410-b5e6-96231b3b80d8
* API changes for class Use size reduction, wave 1.Gabor Greif2008-04-061-7/+7
| | | | | | | | | Specifically, introduction of XXX::Create methods for Users that have a potentially variable number of Uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49277 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2028Devang Patel2008-02-151-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47150 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove attribution from file headers, per discussion on llvmdev.Chris Lattner2007-12-291-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
* Make LoopInfoBase more generic, in preparation for having MachineLoopInfo. ↵Owen Anderson2007-11-271-1/+1
| | | | | | This involves a small interface change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44348 91177308-0d34-0410-b5e6-96231b3b80d8
* typoNick Lewycky2007-11-211-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44262 91177308-0d34-0410-b5e6-96231b3b80d8
* Use SmallVector instead of std::vector.Devang Patel2007-08-211-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41207 91177308-0d34-0410-b5e6-96231b3b80d8
* Loop Rotation pass preserves dominator tree and frontier.Devang Patel2007-07-301-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40603 91177308-0d34-0410-b5e6-96231b3b80d8
* It's not necessary to do rounding for alloca operations when the requestedDan Gohman2007-07-181-0/+579
alignment is equal to the stack alignment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
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