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* manually upgrade a bunch of tests to modern syntax, and remove some thatChris Lattner2011-06-17
| | | | | | | | are either unreduced or only test old syntax. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133228 91177308-0d34-0410-b5e6-96231b3b80d8
* PR9604; try to deal with RAUW updates correctly in the AST. I'm not convincedEli Friedman2011-04-09
| | | | | | | | | it's completely safe to cache the AST across LICM runs even with this fix, but this fix can't hurt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129198 91177308-0d34-0410-b5e6-96231b3b80d8
* Test for r129190.Eli Friedman2011-04-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129197 91177308-0d34-0410-b5e6-96231b3b80d8
* PR9634: Don't unconditionally tell the AliasSetTracker that the PreheaderLoadEli Friedman2011-04-07
| | | | | | | | | | | | | is equivalent to any other relevant value; it isn't true in general. If it is equivalent, the LoopPromoter will tell the AST the equivalence. Also, delete the PreheaderLoad if it is unused. Chris, since you were the last one to make major changes here, can you check that this is sane? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129049 91177308-0d34-0410-b5e6-96231b3b80d8
* While sinking an instruction, do not lose llvm.dbg.value intrinsic.Devang Patel2011-03-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127214 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename 'loopsimplify' to 'loop-simplify'.Cameron Zwarich2011-02-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125317 91177308-0d34-0410-b5e6-96231b3b80d8
* Enhance LICM to promote alias sets whose pointers themselves are stored,Chris Lattner2010-12-19
| | | | | | | which doesn't affect the memory address being promoted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122172 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR8602, a bug in an assertion: a volatile store *of* a pointerChris Lattner2010-12-19
| | | | | | | | does not make the alias set for that pointer volatile, just stores *to* the pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122171 91177308-0d34-0410-b5e6-96231b3b80d8
* Make BasicAliasAnalysis a normal AliasAnalysis implementation whichDan Gohman2010-10-18
| | | | | | | | | | | | | does normal initialization and normal chaining. Change the default AliasAnalysis implementation to NoAlias. Update StandardCompileOpts.h and friends to explicitly request BasicAliasAnalysis. Update tests to explicitly request -basicaa. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116720 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove LoopIndexSplit pass. It is neither maintained nor used by anyone.Devang Patel2010-10-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116004 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR8102, a case where we'd copyValue from a value that we alreadyChris Lattner2010-09-14
| | | | | | | | | deleted. Fix this by doing the copyValue's before we delete stuff! The testcase only repros the problem on my system with valgrind. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113820 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR8067, an over-aggressive assertion in LICM.Chris Lattner2010-09-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113146 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a bug in my licm rewrite when a load from the promoted memoryChris Lattner2010-09-04
| | | | | | | | | location is being re-stored to the memory location. We would get a dangling pointer from the SSAUpdate data structure and miss a use. This fixes PR8068 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113042 91177308-0d34-0410-b5e6-96231b3b80d8
* fix more AST updating bugs, correcting miscompilation in PR8041Chris Lattner2010-09-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112878 91177308-0d34-0410-b5e6-96231b3b80d8
* licm is wasting time hoisting constant foldable operations,Chris Lattner2010-08-31
| | | | | | | | instead of hoisting them, just fold them away. This occurs in the testcase for PR8041, for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112669 91177308-0d34-0410-b5e6-96231b3b80d8
* LICM does get dead instructions input to it. Instead of sinking themChris Lattner2010-08-29
| | | | | | | out of loops, just delete them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112451 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead debug info intrinsics.Devang Patel2010-01-05
| | | | | | | | | | | | Intrinsic::dbg_stoppoint Intrinsic::dbg_region_start Intrinsic::dbg_region_end Intrinsic::dbg_func_start AutoUpgrade simply ignores these intrinsics now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92557 91177308-0d34-0410-b5e6-96231b3b80d8
* Add radar fixed in comment.Eric Christopher2009-12-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91312 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a test for the fix in revision 91009.Eric Christopher2009-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91062 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable hoisting of loads from constant memory by default. In cases whereDan Gohman2009-11-19
| | | | | | | | | they are lowered to instruction sequences more complex than a simple load, such that CodeGen cannot rematerialize them, a reload from a spill slot is likely to be cheaper than the complex sequence. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89374 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert a few tests to FileCheck for PR5307.Edward O'Callaghan2009-10-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85171 91177308-0d34-0410-b5e6-96231b3b80d8
* Make these tests more interesting by usingDan Gohman2009-10-24
| | | | | | | | -verify-dom-info and -verify-loop-info, which enable additional (expensive) consistency checks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85017 91177308-0d34-0410-b5e6-96231b3b80d8
* LICM shouldn't sink/delete debug information. Fix this and add a testcase.Torok Edwin2009-10-11
| | | | | | | | For now the metadata of sinked/hoisted instructions is still wrong, but that'll be fixed when instructions will have debug metadata directly attached. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83786 91177308-0d34-0410-b5e6-96231b3b80d8
* Change tests from "opt %s" to "opt < %s" so that opt doesn't see theDan Gohman2009-09-11
| | | | | | | | | input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
* Use opt -S instead of piping bitcode output through llvm-dis.Dan Gohman2009-09-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81257 91177308-0d34-0410-b5e6-96231b3b80d8
* Change these tests to feed the assembly files to opt directly, insteadDan Gohman2009-09-08
| | | | | | | of using llvm-as, now that opt supports this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
* rename testChris Lattner2009-08-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80523 91177308-0d34-0410-b5e6-96231b3b80d8
* merge all sinking tests into one and convert them to filecheck.Chris Lattner2009-08-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80522 91177308-0d34-0410-b5e6-96231b3b80d8
* convert scalar_promote to filecheck style and merge ↵Chris Lattner2009-08-30
| | | | | | 2003-12-13-VolatilePromote.ll into it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80521 91177308-0d34-0410-b5e6-96231b3b80d8
* Before deleting a basic block, give other loop passes a chance cleanup ↵Devang Patel2009-03-25
| | | | | | analysis values, related to the instructions in the basic block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67719 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove GCSE and LoadVN from the testsuite.Owen Anderson2008-08-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54832 91177308-0d34-0410-b5e6-96231b3b80d8
* Put the LICM of constant GlobalVariables, introduced in r53945, under aDan Gohman2008-07-24
| | | | | | | | command-line option, and disable it by default. It introduced performance regressions because CodeGen is currently not able to remat such loads. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53997 91177308-0d34-0410-b5e6-96231b3b80d8
* "Allow LICM to sink or lift loads from constant memory. Also add a testChris Lattner2008-07-23
| | | | | | | | | | | | | case for this. This allows instructions like loads from global variables declared to be constant to be moved out of loops." Patch by Stefanus Du Toit! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53945 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2346 by marking vaarg as volatile so that licm doesn't try toChris Lattner2008-05-20
| | | | | | | hoist them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51356 91177308-0d34-0410-b5e6-96231b3b80d8
* sabre brings to my attention that the 'tr' suffix is also obsoleteGabor Greif2008-05-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51349 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename the last test with .llx extension to .ll, resolve duplicate test by ↵Gabor Greif2008-05-20
| | | | | | renaming to isnan2. Now that no test has llx ending there is no need to search for them from dg.exp too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51328 91177308-0d34-0410-b5e6-96231b3b80d8
* Use loop deletion instead of ADCE in these tests.Owen Anderson2008-05-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51180 91177308-0d34-0410-b5e6-96231b3b80d8
* rename *.llx -> *.ll, last batch.Chris Lattner2008-04-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49971 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove llvm-upgrade and update tests.Tanya Lattner2008-03-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48527 91177308-0d34-0410-b5e6-96231b3b80d8
* Update this testcase. The output needs to be disabled to pass.Bill Wendling2008-01-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45478 91177308-0d34-0410-b5e6-96231b3b80d8
* Ding dong, the DoesntAccessMemoryFns andDuncan Sands2007-11-23
| | | | | | | | | | OnlyReadsMemoryFns tables are dead! We get more, and more accurate, information from gcc via the readnone and readonly function attributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44288 91177308-0d34-0410-b5e6-96231b3b80d8
* Relax unsafe use check. If there is one unconditional use inside the loop ↵Devang Patel2007-10-01
| | | | | | then it is safe to promote value even if there is another conditional use inside the loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42493 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not promote null values because it may be unsafe to do so.Devang Patel2007-09-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42270 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid unsafe promotion.Devang Patel2007-09-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42149 91177308-0d34-0410-b5e6-96231b3b80d8
* rename test, it is obviously misspelledGabor Greif2007-09-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42108 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR1657Devang Patel2007-09-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42075 91177308-0d34-0410-b5e6-96231b3b80d8
* Bunch of tests to check loop passes.Devang Patel2007-07-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40629 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert .cvsignore filesJohn Criswell2007-06-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37801 91177308-0d34-0410-b5e6-96231b3b80d8
* new testcase for PR1435Chris Lattner2007-05-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37304 91177308-0d34-0410-b5e6-96231b3b80d8
* add the & back. I'm not sure why bill removed it.Chris Lattner2007-05-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36945 91177308-0d34-0410-b5e6-96231b3b80d8
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