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* add newlines at the end of files.Chris Lattner2010-04-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100705 91177308-0d34-0410-b5e6-96231b3b80d8
* Make DSE only scan blocks that are reachable from the entryChris Lattner2010-02-11
| | | | | | | | | | block. Other blocks may have pointer cycles that will crash basicaa and other alias analyses. In any case, there is no point wasting cycles optimizing dead blocks. This fixes rdar://7635088 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95852 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete useless trailing semicolons.Dan Gohman2010-01-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92740 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some CHECK lines which were ignored by accident.Benjamin Kramer2009-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91214 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup/remove some parts of the lifetime region handling code in memdep and ↵Owen Anderson2009-12-02
| | | | | | | | | GVN, per Chris' comments. Adjust testcases to match. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90304 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach memdep to look for memory use intrinsics during dependency queries. FixesNick Lewycky2009-11-28
| | | | | | | PR5574. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90045 91177308-0d34-0410-b5e6-96231b3b80d8
* implement a FIXME: limit the depth that DecomposeGEPExpression goes the sameChris Lattner2009-11-28
| | | | | | | | | | | way that getUnderlyingObject does it. This fixes the 'DecomposeGEPExpression and getUnderlyingObject disagree!' assertion on sqlite3. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90038 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach BasicAA that a constant expression can't alias memory provably notNick Lewycky2009-11-14
| | | | | | | allocated until runtime (such as an alloca). Patch by Hans Wennborg! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88760 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach DSE to eliminate useless trampolines.Duncan Sands2009-11-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86683 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r86359, "Teach dead store elimination that certain intrinsics write toNick Lewycky2009-11-10
| | | | | | | | memory just like a store" with bug fixed (partial-overwrite.ll is the regression test). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86667 91177308-0d34-0410-b5e6-96231b3b80d8
* remove empty files.Chris Lattner2009-11-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86392 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r86359, it is breaking the self host on theChris Lattner2009-11-07
| | | | | | | llvm-gcc-i386-darwin9 build bot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86391 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach dead store elimination that certain intrinsics write to memory just likeNick Lewycky2009-11-07
| | | | | | | a store. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86359 91177308-0d34-0410-b5e6-96231b3b80d8
* improve DSE when TargetData is not around, based on work byChris Lattner2009-11-04
| | | | | | | Hans Wennborg! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86067 91177308-0d34-0410-b5e6-96231b3b80d8
* Make opt default to not adding a target data string and update tests that ↵Kenneth Uildriks2009-11-03
| | | | | | depend on target data to supply it within the test git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85900 91177308-0d34-0410-b5e6-96231b3b80d8
* Treat lifetime begin/end markers as allocations/frees respectively for theOwen Anderson2009-10-28
| | | | | | | purposes for GVN/DSE. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85383 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
* fix PR4815: some cases where DeleteDeadInstruction can deleteChris Lattner2009-09-02
| | | | | | | the instruction BBI points to. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80768 91177308-0d34-0410-b5e6-96231b3b80d8
* Split the Add, Sub, and Mul instruction opcodes into separateDan Gohman2009-06-04
| | | | | | | | | | | | | | | | integer and floating-point opcodes, introducing FAdd, FSub, and FMul. For now, the AsmParser, BitcodeReader, and IRBuilder all preserve backwards compatability, and the Core LLVM APIs preserve backwards compatibility for IR producers. Most front-ends won't need to change immediately. This implements the first step of the plan outlined here: http://nondot.org/sabre/LLVMNotes/IntegerOverflow.txt git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72897 91177308-0d34-0410-b5e6-96231b3b80d8
* Reimplement the inner loop of DSE. It now uniformly uses getDependence(),Chris Lattner2008-12-06
| | | | | | | | | doesn't do its own local caching, and is slightly more aggressive about free/store dse (see testcase). This eliminates the last external client of MemDep::getDependenceFrom(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60619 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a thinko that manifested as a crash on clamav last night.Chris Lattner2008-11-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60251 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3141 by ensuring that MemoryDependenceAnalysis::removeInstructionChris Lattner2008-11-28
| | | | | | | | | properly updates the reverse dependency map when it installs updated dependencies for instructions that depend on the removed instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60222 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for eliminating stores that store the same value that was just ↵Owen Anderson2008-07-28
| | | | | | | | | loaded. This fixes PR2599. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54133 91177308-0d34-0410-b5e6-96231b3b80d8
* sabre brings to my attention that the 'tr' suffix is also obsoleteGabor Greif2008-05-20
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* 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
* Update old-style syntax in some "not grep" tests.Dan Gohman2008-05-01
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* Fix DSE to not eliminate volatile loads with no uses.Dan Gohman2008-04-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50370 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 test cases.Tanya Lattner2008-03-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47793 91177308-0d34-0410-b5e6-96231b3b80d8
* Make DSE much more aggressive by performing DCE earlier. Update a testcase ↵Owen Anderson2008-01-30
| | | | | | to reflect this increased aggressiveness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46542 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a testcase for eliminating memcpy's at the end of functions. Forgot to ↵Owen Anderson2008-01-29
| | | | | | commit this with my last commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46497 91177308-0d34-0410-b5e6-96231b3b80d8
* DeadStoreElimination can treat byval parameters as if there were alloca's ↵Owen Anderson2008-01-25
| | | | | | for the purpose of removing end-of-function stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46351 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix test/Transforms/DeadStoreElimination/PartialStore.ll, which had beenOwen Anderson2007-11-01
| | | | | | | silently failing because of an incorrect run line for some time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43605 91177308-0d34-0410-b5e6-96231b3b80d8
* Forgot to update these files for the FastDSE changes.Owen Anderson2007-08-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40674 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename FastDSE to just DSE.Owen Anderson2007-08-01
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* Move these tests to use FastDSE instead of old DSE.Owen Anderson2007-07-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40444 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
* For PR1319:Reid Spencer2007-04-15
| | | | | | | Upgrade to use new Tcl exec based test harness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36062 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the llvm-runtest function much more amenable by eliminating all theReid Spencer2007-04-11
| | | | | | | | | global variables that needed to be passed in. This makes it possible to add new global variables with only a couple changes (Makefile and llvm-dg.exp) instead of touching every single dg.exp file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35918 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm.isunordered.* are gone.Reid Spencer2007-01-07
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* For PR950:Reid Spencer2006-12-31
| | | | | | | | | | | | | | | | | | | | | | | Update the test suite to accommodate the change from signed integer types to signless integer types. The changes were of only a few kinds: 1. Make sure llvm-upgrade is run on the source which does the bulk of the changes automatically. 2. Change things like "grep 'int'" to "grep 'i32'" 3. In several tests bitcasting caused the same name to be reused in the same type plane. These had to be manually fixed. The fix was (generally) to leave the bitcast and provide the instruction with a new name. This should not affect the semantics of the test. In a few cases, the bitcasts were known to be superfluous and irrelevant to the test case so they were removed. 4. One test case uses a bytecode file which needed to be updated to the latest bytecode format. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32789 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the llvm-upgrade program to upgrade llvm assembly.Reid Spencer2006-12-02
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* New testcase, reduced by nate, which crashes DSEChris Lattner2006-06-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28949 91177308-0d34-0410-b5e6-96231b3b80d8
* Added the ability to xfail based on llvmgcc versionTanya Lattner2006-04-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27635 91177308-0d34-0410-b5e6-96231b3b80d8
* Tired of wading through cvs's list ? files that are generated when buildingReid Spencer2006-03-23
| | | | | | | | | with srcdir = objdir to see what's okay and what's cruft. So, in goes a bunch of .cvsignore files to shut cvs up about known output from running "make check". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27009 91177308-0d34-0410-b5e6-96231b3b80d8
* new testcase dse is miscompilingChris Lattner2005-11-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24544 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a comment, add a new testcaseChris Lattner2004-12-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19179 91177308-0d34-0410-b5e6-96231b3b80d8
* New testcase for PR491Chris Lattner2004-12-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19178 91177308-0d34-0410-b5e6-96231b3b80d8
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