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2009-11-10Change Thumb1 address mode printing, instead ofEvan Cheng
[r0, #2 * 4] Now [r0, #8] This makes Thumb2 assembly more uniform and frankly the scale doesn't add much. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86707 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Add a comment.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86706 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Add defensive break.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86705 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Add a monstrous hack to improve X86ISelDAGToDAG compile time.Daniel Dunbar
- Force NDEBUG on in any Release build. This drops the compile time to ~100s from ~600s, in Release mode. - This may just be a temporary workaround, I don't know the true nature of the gcc-4.2 compile time performance problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86695 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Fix obvious typo.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86694 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10clarify logic.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86689 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10CMake: Add Darwin-specific linker flags for building loadable modulesDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86684 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Teach DSE to eliminate useless trampolines.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86683 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Add brackets to make gcc-4.4 happy.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86681 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Codegen support for the llvm.invariant/lifetime.start/end intrinsics:Duncan Sands
just throw them away. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86678 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Update computeArraySize() to use ComputeMultiple() to determine the array ↵Victor Hernandez
size associated with a malloc; also extend PerformHeapAllocSRoA() to check if the optimized malloc's arg had its highest bit set, so that it is safe for ComputeMultiple() to look through sext instructions while determining the optimized malloc's array size git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86676 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Add ComputeMultiple() analysis function that recursively determines if a ↵Victor Hernandez
Value V is a multiple of unsigned Base git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86675 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10optimize testChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86672 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10unify the code that determines whether it is a good idea to change the typeChris Lattner
of a computation. This fixes some infinite loops when dealing with TD that has no native types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86670 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Simplify.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86668 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Reapply r86359, "Teach dead store elimination that certain intrinsics write toNick Lewycky
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
2009-11-10refactor TryToSimplifyUncondBranchFromEmptyBlock out of SimplifyCFG.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86666 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10CMake: Support for building llvm loadable modules.Oscar Fuentes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86656 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10lit: Start documentation testing architecture.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86655 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10lit: Add ExampleTests, for testing lit and demonstrating test suite features.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86654 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10lit: Fix bug in --show-suites which accidentally override the list of tests.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86653 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Fix PR5445Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86651 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10I misread the parens, not so redundant after all.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86648 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10make jump threading recursively simplify expressions instead of doing it Chris Lattner
just one level deep. On the testcase we go from getting this: F1: ; preds = %T2 %F = and i1 true, %cond ; <i1> [#uses=1] br i1 %F, label %X, label %Y to a fully threaded: F1: ; preds = %T2 br label %Y This changes gets us to the point where we're forming (too many) switch instructions on doug's strswitch testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86646 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10remove some redundant parens.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86645 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10CMake: Remove unnecessary `unset' which was not supported by old cmakeOscar Fuentes
releases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86644 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Remove an unused variable.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86642 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Minor code simplification.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86641 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Trim a bunch of unneeded code from this testcase.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86640 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10don't invalidate PN, rewrite of this code is in progress anyway.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86639 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10add a new SimplifyInstruction API, which is like ConstantFoldInstruction, Chris Lattner
except that the result may not be a constant. Switch jump threading to use it so that it gets things like (X & 0) -> 0, which occur when phi preds are deleted and the remaining phi pred was a zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86637 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Fix DenseMap iterator constness.Jeffrey Yasskin
This patch forbids implicit conversion of DenseMap::const_iterator to DenseMap::iterator which was possible because DenseMapIterator inherited (publicly) from DenseMapConstIterator. Conversion the other way around is now allowed as one may expect. The template DenseMapConstIterator is removed and the template parameter IsConst which specifies whether the iterator is constant is added to DenseMapIterator. Actually IsConst parameter is not necessary since the constness can be determined from KeyT but this is not relevant to the fix and can be addressed later. Patch by Victor Zverovich! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86636 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10factor simplification logic for AND and OR out to InstSimplify from instcombine.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86635 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Fixed to address code review. No functional changes.David Goodwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86634 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Fix MemoryBuffer::getSTDIN to *not* return null if stdin is empty, this is a ↵Daniel Dunbar
lame API. Also, Stringrefify some more MemoryBuffer functions, and add two performance FIXMEs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86630 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Allow targets to specify register classes whose member registers should not ↵David Goodwin
be renamed to break anti-dependencies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86628 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09pull a bunch of logic out of instcombine into instsimplify for compare Chris Lattner
simplification, this handles the foldable fcmp x,x cases among many others. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86627 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Pass the (optional) TargetData object to ConstantFoldInstOperandsDan Gohman
and ConstantFoldCompareInstOperands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86626 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09inline a simple function.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86625 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09rename SimplifyCompare -> SimplifyCmpInst and split it into Chris Lattner
Simplify[IF]Cmp pieces. Add some predicates to CmpInst to determine whether a predicate is fp or int. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86624 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Now that the default is 'enabled,' a separate command line option for ARM isJim Grosbach
not necessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86621 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Add testcase for recent checkin.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86620 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09fix ConstantFoldCompareInstOperands to take the LHS/RHS asChris Lattner
individual operands instead of taking a temporary array git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86619 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Add StringSwitch::Cases overloads, for matching multiple strings to a singleDaniel Dunbar
value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86618 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09use instructionsimplify instead of a weak clone of ad-hoc folding stuff.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86616 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Update testJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86614 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09stub out a new libanalysis "instruction simplify" interface thatChris Lattner
takes decimated instructions and applies identities to them. This is pretty minimal at this point, but I plan to pull some instcombine logic out into these and similar routines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86613 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Remove dlsym stubs, with Nate Begeman's permission.Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86606 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Enable dynamic stack realignment by default.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86604 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09stub out a new form of BasicBlock::RemovePredecessorAndSimplify whichChris Lattner
simplifies instruction users of PHIs when the phi is eliminated. This will be moved to transforms/utils after some other refactoring. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86603 91177308-0d34-0410-b5e6-96231b3b80d8
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