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2007-08-04split rewriting of single-store allocas into its ownChris Lattner
method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40806 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-04refactor some code to shrink PromoteMem2Reg::run a bitChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40805 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-04add a typedef, no other change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40804 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-04avoid an unneeded vector copy. This speeds up mem2reg on the testcase Chris Lattner
in PR1432 by 6% git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40803 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-04make RenamePassWorkList a local var instead of an ivar.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40802 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-03Fix a subtle miscompilation. This allows 197.parser to be compiled correctly.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40791 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-03Fix a subtle iterator invalidation bug in a recursive algorithm.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40776 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-02Fix an accidental commit.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40758 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-02Fix 80 col. violations.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40751 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-02Fix 80 col. violations.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40750 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-02Fix 80 col. violations.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40749 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-02Fix a bug that was causing several miscompilations on SPEC.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40746 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-02Replacing a cast with another one does not reduce the number of Chris Lattner
casts in the input. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40741 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-02Disable an xform that causes an infinite loop. This fixes PR1594Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40739 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-02wrap some long lines. Major offenders that are left includeChris Lattner
gvn, gvnpre, dse, and predsimplify. To see these, use: make check-line-length git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40738 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-02Update dominator info for the middle blocks created while splitingDevang Patel
exit edge to preserve LCSSA. Fix dominance frontier update during loop unswitch. This fixes PR 1589, again git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40737 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-02Enhance instcombine to be more aggressive about folding casts ofChris Lattner
operations of casts. This implements InstCombine/zext-fold.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40726 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-02Fix PR1575 and test/Transforms/CondProp/2007-08-01-InvalidRead.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40720 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-01Undo previous check-in.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40698 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-01Update dominator info for the middle blocks created while splitingDevang Patel
exit edge to preserve LCSSA. Fix dominance frontier update during loop unswitch. This fixes PR 1589. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40695 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-01Make non-local memdep not be recursive, and fix a bug on 403.gcc that this ↵Owen Anderson
exposed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40692 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-01More explicit keywords.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40673 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-01Rename FastDSE to just DSE.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40668 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-01Move FastDSE in to DeadStoreElimination.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40667 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-01Remove old DSE.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40666 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-01New CallInst interface to address GLIBCXX_DEBUG errors caused byDavid Greene
indexing an empty std::vector. Updates to all clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40660 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-31Don't let the memory allocator outsmart GVN. ;-)Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40655 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-31Fix a failure I accidentally caused in my last commit by mishandling the Owen Anderson
removal of redundant phis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40650 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-31Fix a bug in GetKnownAlignment of packed structs.Lauro Ramos Venancio
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40649 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-31Fix a misoptimization in aha.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40642 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-31Use SCEVExpander::InsertCastOfTo instead of calling new IntToPtrInstDan Gohman
directly, because the insert point used by the SCEVExpander may vary from what LSR originally computes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40641 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-31Add note.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40638 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-31Loop unswitch preserves dom info.Devang Patel
Use simple analysis interface to preserve analysis info maintained by other loop passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40627 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-31Implement Simple Analysis interfaces - cloneBasicBlockAnalysis and ↵Devang Patel
deleteAnalysisValue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40626 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-30If loop can be unswitched again, then do it yourself.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40609 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-30Avoid potential iterator invalidation problems.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40607 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-30Remove dead code.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40606 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-30LCSSA preserves dom info.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40604 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-30Loop Rotation pass preserves dominator tree and frontier.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40603 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-30LICM preserves scalar evolution and dom frontier.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40602 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-30Fix a typo/thinko.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40599 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-30Use more caching when computing non-local dependence. This makes bzip2 notOwen Anderson
use up the entire 32-bit address space. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40596 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-30Fix a bug caused by indiscriminantly asking for the dominators of a predecessor.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40595 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-27Use SmallPtrSet.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40560 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-27VStudio compiler errors and placing Function*->ExFunc map under ↵Chuck Rose III
ManagedStatic control. This commit fixes two things. One is a pair of VStudio compiler errors stemming from variables which defined within the for loop statement and also within the body of the for loop. I fixed these by renaming one of the two variables. Additionally, I've made the Function*->ExFunc map in ExternalFunctions.cpp a ManagedStatic object, so that cleanup will be done on llvm_shutdown. In repeated uses of the interpreter, where the same Function* address may get used for completely differnet functions, this was causing a crash. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40558 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-26Fix thinko. Update return status appropriately.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40546 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-26Fix a couple more bugs in the phi construction by pulling in code that doesOwen Anderson
almost the same things from LCSSA. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40540 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-26Move the GET_SIDE_EFFECT_INFO logic from isInstructionTriviallyDeadDan Gohman
to Instruction::mayWriteToMemory, fixing a FIXME, and helping various places that call mayWriteToMemory directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40533 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-26Remove a bogus return statement, what appears to have been a pastoDan Gohman
from Relation::contradicts in Relation::incorporate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40531 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-25Fix what is _hopefully_ the last corner case for loops.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40503 91177308-0d34-0410-b5e6-96231b3b80d8
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