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path: root/include/llvm/LinkAllPasses.h
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* Add a cost model analysis that allows us to estimate the cost of IR-level ↵Nadav Rotem2012-11-02
| | | | | | instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167324 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove LoopDependenceAnalysis.Benjamin Kramer2012-10-26
| | | | | | | It was unmaintained and not much more than a stub. The new DependenceAnalysis pass is both more general and complete. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166810 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the internalize pass to internalize all symbols when given an emptyRafael Espindola2012-10-26
| | | | | | | list of externals. This makes sense since a shared library with no symbols can still be useful if it has static constructors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166795 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a loop vectorizer.Nadav Rotem2012-10-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166112 91177308-0d34-0410-b5e6-96231b3b80d8
* dependence analysisSebastian Pop2012-10-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Preston Briggs <preston.briggs@gmail.com>. This is an updated version of the dependence-analysis patch, including an MIV test based on Banerjee's inequalities. It's a fairly complete implementation of the paper Practical Dependence Testing Gina Goff, Ken Kennedy, and Chau-Wen Tseng PLDI 1991 It cannot yet propagate constraints between coupled RDIV subscripts (discussed in Section 5.3.2 of the paper). It's organized as a FunctionPass with a single entry point that supports testing for dependence between two instructions in a function. If there's no dependence, it returns null. If there's a dependence, it returns a pointer to a Dependence which can be queried about details (what kind of dependence, is it loop independent, direction and distance vector entries, etc). I haven't included every imaginable feature, but there's a good selection that should be adequate for supporting many loop transformations. Of course, it can be extended as necessary. Included in the patch file are many test cases, commented with C code showing the loops and array references. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165708 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a pass that renames everything with metasyntatic names. This works well ↵Alex Rosenberg2012-09-11
| | | | | | after using bugpoint to reduce the confusion presented by the original names, which no longer mean what they used to. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163592 91177308-0d34-0410-b5e6-96231b3b80d8
* Profile: set branch weight metadata with data generated from profiling.Manman Ren2012-08-28
| | | | | | | | | | This patch implements ProfileDataLoader which loads profile data generated by -insert-edge-profiling and updates branch weight metadata accordingly. Patch by Alastair Murray. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162799 91177308-0d34-0410-b5e6-96231b3b80d8
* add a new pass to instrument loads and stores for run-time bounds checkingNuno Lopes2012-05-22
| | | | | | | | move EmitGEPOffset from InstCombine to Transforms/Utils/Local.h (a draft of this) patch reviewed by Andrew, thanks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157261 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a basic-block autovectorization pass.Hal Finkel2012-02-01
| | | | | | | This is the initial checkin of the basic-block autovectorization pass along with some supporting vectorization infrastructure. Special thanks to everyone who helped review this code over the last several months (especially Tobias Grosser). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149468 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new ObjC ARC optimization pass to eliminate unneededDan Gohman2012-01-17
| | | | | | | autorelease push+pop pairs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148330 91177308-0d34-0410-b5e6-96231b3b80d8
* All these arguments are default anyways.Nick Lewycky2011-12-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145876 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the old tail duplication pass. It is not used and is unable to updateRafael Espindola2011-08-30
| | | | | | | ssa, so it has to be run really early in the pipeline. Any replacement should probably use the SSAUpdater. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138841 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r138695. Fix PassManager stack depths.Andrew Trick2011-08-29
| | | | | | | Patch by Xiaoyi Guo! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138737 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting r138695 to see if it fixes clang self host.Andrew Trick2011-08-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138701 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PassManager stack depths.Andrew Trick2011-08-27
| | | | | | | Patch by Xiaoyi Guo! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138695 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the LowerSetJmp pass. It wasn't used effectively by any of the targets.Bill Wendling2011-08-03
| | | | | | | This is some of my original LLVM code. *wipes tear* git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136821 91177308-0d34-0410-b5e6-96231b3b80d8
* Land the long talked about "type system rewrite" patch. ThisChris Lattner2011-07-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | patch brings numerous advantages to LLVM. One way to look at it is through diffstat: 109 files changed, 3005 insertions(+), 5906 deletions(-) Removing almost 3K lines of code is a good thing. Other advantages include: 1. Value::getType() is a simple load that can be CSE'd, not a mutating union-find operation. 2. Types a uniqued and never move once created, defining away PATypeHolder. 3. Structs can be "named" now, and their name is part of the identity that uniques them. This means that the compiler doesn't merge them structurally which makes the IR much less confusing. 4. Now that there is no way to get a cycle in a type graph without a named struct type, "upreferences" go away. 5. Type refinement is completely gone, which should make LTO much MUCH faster in some common cases with C++ code. 6. Types are now generally immutable, so we can use "Type *" instead "const Type *" everywhere. Downsides of this patch are that it removes some functions from the C API, so people using those will have to upgrade to (not yet added) new API. "LLVM 3.0" is the right time to do this. There are still some cleanups pending after this, this patch is large enough as-is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134829 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce "expect" intrinsic instructions.Jakub Staszak2011-07-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134516 91177308-0d34-0410-b5e6-96231b3b80d8
* The ARC language-specific optimizer. Credit to Dan Gohman.John McCall2011-06-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133108 91177308-0d34-0410-b5e6-96231b3b80d8
* Conditionalize the format of the GCOV files by target type. Darwin uses the 4.2Bill Wendling2011-05-17
| | | | | | | format. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131503 91177308-0d34-0410-b5e6-96231b3b80d8
* Add independent controls for whether GCOV profiling should emit .gcno files orNick Lewycky2011-04-21
| | | | | | | | instrument the program to emit .gcda. TODO: we should emit slightly different .gcda files when .gcno emission is off. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129903 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename LineProfiling to GCOVProfiling to more accurately represent what itNick Lewycky2011-04-16
| | | | | | | | does. Also mostly implement it. Still a work-in-progress, but generates legal output on crafted test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129630 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for line profiling. Very work-in-progress.Nick Lewycky2011-04-12
| | | | | | | | | | | Use debug info in the IR to find the directory/file:line:col. Each time that location changes, bump a counter. Unlike the existing profiling system, we don't try to look at argv[], and thusly don't require main() to be present in the IR. This matches GCC's technique where you specify the profiling flag when producing each .o file. The runtime library is minimal, currently just calling printf at program shutdown time. The API is designed to make it possible to emit GCOV data later on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129340 91177308-0d34-0410-b5e6-96231b3b80d8
* remove the StructRetPromotion pass. It is unused, not maintained andChris Lattner2011-04-11
| | | | | | | | has some bugs. If this is interesting functionality, it should be reimplemented in the argpromotion pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129314 91177308-0d34-0410-b5e6-96231b3b80d8
* remove postdom frontiers, because it is dead. Forward dom frontiers areChris Lattner2011-04-05
| | | | | | | still used by RegionInfo :( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128943 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete the GEPSplitter experiment.Dan Gohman2011-02-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126671 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete the SimplifyHalfPowrLibCalls pass, which was unused, andDan Gohman2011-02-28
| | | | | | | only existed as the result of a misunderstanding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126669 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete the LiveValues pass. I won't get get back to the project itDan Gohman2011-02-28
| | | | | | | was started for in the foreseeable future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126668 91177308-0d34-0410-b5e6-96231b3b80d8
* Implementation of path profiling.Andrew Trick2011-01-29
| | | | | | | | | | | Modified patch by Adam Preuss. This builds on the existing framework for block tracing, edge profiling and optimal edge profiling. See -help-hidden for new flags. For documentation, see the technical report "Implementation of Path Profiling..." in llvm.org/pubs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124515 91177308-0d34-0410-b5e6-96231b3b80d8
* remove the partial specialization pass. It is unmaintained and has bugs.Chris Lattner2011-01-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123554 91177308-0d34-0410-b5e6-96231b3b80d8
* sketch out a new early cse pass. No functionality yet.Chris Lattner2011-01-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122713 91177308-0d34-0410-b5e6-96231b3b80d8
* Start of a pass for recognizing memset and memcpy idioms.Chris Lattner2010-12-26
| | | | | | | No functionality yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122562 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new convenience pass for testing InstructionSimplify. PreviouslyDuncan Sands2010-12-20
| | | | | | | | | | it could only be tested indirectly, via instcombine, gvn or some other pass that makes use of InstructionSimplify, which means that testcases had to be carefully contrived to dance around any other transformations that that pass did. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122264 91177308-0d34-0410-b5e6-96231b3b80d8
* Reference RegionPass to stop it being eliminated.Tobias Grosser2010-10-25
| | | | | | Contributed by: ether git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117263 91177308-0d34-0410-b5e6-96231b3b80d8
* Make AliasSetTracker TBAA-aware, enabling TBAA-enabled LICM.Dan Gohman2010-10-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116743 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
* remove PointerTracking from mainline, Edwin is going to move it out to ClamAVChris Lattner2010-09-29
| | | | | | | for LLVM 2.9 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115062 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a pass which prints out all the memdep dependencies.Dan Gohman2010-09-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114121 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename ValuePropagation to a more descriptive CorrelatedValuePropagation.Owen Anderson2010-08-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112591 91177308-0d34-0410-b5e6-96231b3b80d8
* remove the ABCD and SSI passes. They don't have any clients thatChris Lattner2010-08-28
| | | | | | | | I'm aware of, aren't maintained, and LVI will be replacing their value. nlewycky approved this on irc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112355 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a prototype of a new peephole optimizing pass that uses LazyValue info ↵Owen Anderson2010-08-27
| | | | | | | | | to simplify PHIs and select's. This pass addresses the missed optimizations from PR2581 and PR4420. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112325 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an atomic lowering passPeter Collingbourne2010-08-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110113 91177308-0d34-0410-b5e6-96231b3b80d8
* Sketch up a preliminary Type-Based Alias Analysis implementation.Dan Gohman2010-08-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110077 91177308-0d34-0410-b5e6-96231b3b80d8
* Add new RegionInfo pass.Tobias Grosser2010-07-22
| | | | | | | | | | The RegionInfo pass detects single entry single exit regions in a function, where a region is defined as any subgraph that is connected to the remaining graph at only two spots. Furthermore an hierarchical region tree is built. Use it by calling "opt -regions analyze" or "opt -view-regions". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109089 91177308-0d34-0410-b5e6-96231b3b80d8
* Debugging infomration is encoded in llvm IR using metadata. This is designedDevang Patel2010-07-01
| | | | | | | | | | | such a way that debug info for symbols preserved even if symbols are optimized away by the optimizer. Add new special pass to remove debug info for such symbols. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107416 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a simple module-level debug info printer. It just sets up aDan Gohman2010-05-07
| | | | | | | DebugInfoFinder and iterates over all the contents calling print. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103262 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an LLVM IR version of code sinking. This uses the same simple algorithmDan Gohman2010-05-07
| | | | | | | as MachineSink, but it isn't constrained by MachineInstr-level details. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103257 91177308-0d34-0410-b5e6-96231b3b80d8
* SCCVN, we hardly knew ye!Owen Anderson2010-04-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101117 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a -lint pass which checks for common sources of undefined or likelyDan Gohman2010-04-08
| | | | | | | unintended behavior. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100798 91177308-0d34-0410-b5e6-96231b3b80d8
* remove anders-aa from mainline, it isn't maintained and isChris Lattner2010-03-01
| | | | | | | tantalyzing enough that people keep trying to use it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97483 91177308-0d34-0410-b5e6-96231b3b80d8
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