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2008-11-29Fix spello, add DenseMapInfo specialization for PointerIntPair.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60228 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28fix comment typoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60227 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28fix a bug.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60225 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28add a generic "bitmangled pointer" class, which allows a parameterizedChris Lattner
pointer and integer type to be used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60224 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28Fix PR3141 by ensuring that MemoryDependenceAnalysis::removeInstructionChris Lattner
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
2008-11-28don't revisit instructions off the beginning of the block.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60221 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28comment cleanups.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60220 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28more cleanups for MemoryDependenceAnalysis::removeInstruction,Chris Lattner
no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60219 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28random cleanups, no functionality change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60218 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28forward declare CallSite instead of #includ'ing it.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60217 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28Run verifyRemoved from removeInstruction when -debug is specified.Chris Lattner
This shows the root problem behind PR3141. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60216 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28rename "ping" to "verifyRemoved". I don't know why 'ping' what chosen,Chris Lattner
but it doesn't make any sense at all. Also make the method const, private, and fit in 80 cols while we're at it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60215 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28comment and indentation improvements.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60214 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28simplify some code, remove escaped newline.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60213 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28remove mysterious escaped newlines.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60211 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28don't call MergeBasicBlockIntoOnlyPred on a block whose onlyChris Lattner
predecessor is itself. This doesn't make sense, and this is a dead infinite loop anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60210 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28Add include files needed when building withDuncan Sands
gcc 4.4 (due to use of sprintf). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60209 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28Fix build with gcc-4.4: it doesn't like PICStyleDuncan Sands
being both a namespace and a variable name. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60208 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28rewrite RecursivelyDeleteTriviallyDeadInstructions to use a more efficientChris Lattner
formulation that doesn't require set lookups or scanning a set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60203 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28remove some weirdness that came from the LSR code that hasChris Lattner
nothing to do with dead instruction elimination. No tests in dejagnu depend on this, so I don't know what it was needed for. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60202 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28rewrite a big chunk of how DSE does recursive dead operand Chris Lattner
elimination to use more modern infrastructure. Also do a bunch of small cleanups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60201 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28Scrap some boilerplate.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60200 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28Support multiple compilation graph definitions. Not terribly useful, but ↵Mikhail Glushenkov
makes the code more generic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60199 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28Add 'hidden' and 'really_hidden' option properties.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60198 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-28Documentation: clarify what is meant by 'multiple edges'.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60197 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27delete ErasePossiblyDeadInstructionTree, replacing uses of it withChris Lattner
RecursivelyDeleteTriviallyDeadInstructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60196 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27Simplify LoopStrengthReduce::DeleteTriviallyDeadInstructions byChris Lattner
making it use RecursivelyDeleteTriviallyDeadInstructions to do the heavy lifting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60195 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27enhance RecursivelyDeleteTriviallyDeadInstructions to makeChris Lattner
PHIs dead if they are single-value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60194 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27Enhance RecursivelyDeleteTriviallyDeadInstructions to optionallyChris Lattner
return a list of deleted instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60193 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27use continue to reduce indentationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60192 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27remove doConstantPropagation and dceInstruction, they are justChris Lattner
wrappers around the interesting code and use an obscure iterator abstraction that dates back many many years. Move EraseDeadInstructions to Transforms/Utils and name it RecursivelyDeleteTriviallyDeadInstructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60191 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27simplify code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60190 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27simplify this logic.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60189 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27Also update the README.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60188 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27Chris prefers icmp/select over udiv!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60187 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27Add a synthetic missed optimization.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60186 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27Add a couple of missed optimizations on integer vectors. Multiply and divideNick Lewycky
by 1, as well as multiply by -1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60182 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27defensive patch: if CGP is merging a block with the entry block, make sureChris Lattner
it ends up being the entry block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60180 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27Fix PR3138: if we merge the entry block into another block, make sure toChris Lattner
move the other block back up into the entry position! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60179 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27Silence a warning.Nick Lewycky
Despite changing the order of evaluation, this doesn't actually change the meaning of the statement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60177 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27fix build on some machines. thanks buildbotNuno Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60175 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27fix my previous commit r60064: compare strings instead of pointersNuno Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60174 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27switch InstCombine::visitLoadInst to use Chris Lattner
FindAvailableLoadedValue git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60169 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27improve const correctness.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60168 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27enhance FindAvailableLoadedValue to make use of AliasAnalysisChris Lattner
if it has it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60167 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27move FindAvailableLoadedValue from JumpThreading to Transforms/Utils.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60166 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27Get rid of bogus "control may reach end of non-void function ‘...’ beingBill Wendling
inlined" message. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60165 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27simplify this code a bit.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60164 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27Use the new MergeBasicBlockIntoOnlyPred function.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60163 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-27move MergeBasicBlockIntoOnlyPred to Transforms/Utils.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60162 91177308-0d34-0410-b5e6-96231b3b80d8
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