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* 'Pass' should now not be derived from by clients. Instead, they should deriveChris Lattner2004-09-201-1/+1
| | | | | | | | from ModulePass. Instead of implementing Pass::run, then should implement ModulePass::runOnModule. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16436 91177308-0d34-0410-b5e6-96231b3b80d8
* Changes For Bug 352Reid Spencer2004-09-011-2/+2
| | | | | | | | | Move include/Config and include/Support into include/llvm/Config, include/llvm/ADT and include/llvm/Support. From here on out, all LLVM public header files must be under include/llvm/. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16137 91177308-0d34-0410-b5e6-96231b3b80d8
* Headers movedChris Lattner2004-07-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14665 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor changes, remove some debugging code that got checked in somehow.Chris Lattner2004-03-041-7/+10
| | | | | | | | Make sure to scope the NodeMap passed into cloneInto so that it doesn't point to nodes that are deleted. Add some FIXME's for future performance enhancements. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12115 91177308-0d34-0410-b5e6-96231b3b80d8
* Only clone global nodes between graphs if both graphs have the global.Chris Lattner2004-02-271-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11928 91177308-0d34-0410-b5e6-96231b3b80d8
* Instead of cloning the globals for main into the globals graph at the end ofChris Lattner2004-02-211-17/+11
| | | | | | | | | | BU propagation, clone the globals into the GG of EACH FUNCTION that finishes processing! The GlobalsGraph *must* include all globals and effects from all functions in the program. Fixing this makes pool allocation work better on 175.vpr, but it still ultimately crashes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11686 91177308-0d34-0410-b5e6-96231b3b80d8
* There is no need to merge the globals graph into the function graphs at theChris Lattner2004-02-201-5/+1
| | | | | | | | | end of the BU and CBU passes. The globals will be marked incomplete, so it doesn't matter if they are missing some info, and merging isn't guaranteed to bring everything in anyway! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11684 91177308-0d34-0410-b5e6-96231b3b80d8
* When we complete the bottom-up pass, make sure to merge the globals in ↵Chris Lattner2004-02-171-0/+17
| | | | | | | | | 'main' into the globals graph. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11562 91177308-0d34-0410-b5e6-96231b3b80d8
* Instead of callign removeTriviallyDeadNodes on the global graph every timeChris Lattner2004-02-081-0/+1
| | | | | | | | | | removeDeadNodes is called, only call it at the end of the pass being run. This saves 1.3 seconds running DSA on 177.mesa (5.3->4.0s), which is pretty big. This is only possible because of the automatic garbage collection done on forwarding nodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11178 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid referencing deleted DSgraphs when merging an SCC into a larger SCC. ThisChris Lattner2004-01-311-9/+11
| | | | | | | fixes the crash in 176.gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11033 91177308-0d34-0410-b5e6-96231b3b80d8
* Get clone flags right, so we don't build InlinedGlobals only to clear themChris Lattner2004-01-271-5/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10984 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial support for implementing clonePartiallyInto in terms of ↵Chris Lattner2004-01-231-1/+2
| | | | | | cloneReachableSubgraph, though this support is currently disabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10970 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor code cleanupChris Lattner2003-11-131-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9962 91177308-0d34-0410-b5e6-96231b3b80d8
* Fine-grainify namespaces for this libraryChris Lattner2003-11-121-4/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9948 91177308-0d34-0410-b5e6-96231b3b80d8
* Put all LLVM code into the llvm namespace, as per bug 109.Brian Gaeke2003-11-111-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
* Added LLVM project notice to the top of every C++ source file.John Criswell2003-10-201-0/+7
| | | | | | | Header files will be on the way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9298 91177308-0d34-0410-b5e6-96231b3b80d8
* Functions reachable from the arguments of unresolvable call nodes shouldChris Lattner2003-09-201-1/+4
| | | | | | | not have their arguments marked complete git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8639 91177308-0d34-0410-b5e6-96231b3b80d8
* The Globals graph must become complete at the end of the BU phase!Chris Lattner2003-09-201-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8638 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch from using CallInst's to represent call sites to using the LLVMChris Lattner2003-09-201-1/+2
| | | | | | | | CallSite class. Now we can represent function calls by invoke instructions too! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8629 91177308-0d34-0410-b5e6-96231b3b80d8
* DEBUG got moved to Support/Debug.hChris Lattner2003-08-011-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7492 91177308-0d34-0410-b5e6-96231b3b80d8
* Rematerialize nodes from the globals graph into the current graphVikram S. Adve2003-07-161-3/+9
| | | | | | | | | | | after all callees are inlined into the current graph. NOTE: There's also a major bug fix for the BU pass in DataStructure.cpp, which ensures that resolvable indirect calls are not moved out to the globals graph, so that they are eventually inlined (if possible). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7189 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix how we are handling unreachable functions. This DRAMATICALLY improves ↵Chris Lattner2003-07-021-0/+3
| | | | | | efficiency git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7082 91177308-0d34-0410-b5e6-96231b3b80d8
* Keep track of how many inlinings are performedChris Lattner2003-07-021-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7076 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the BU closure keep track of which actual calls happenChris Lattner2003-07-021-2/+6
| | | | | | | Minor cleanups git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7059 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor cleanupsChris Lattner2003-07-011-4/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7027 91177308-0d34-0410-b5e6-96231b3b80d8
* Split CallSiteIterator out into DSCallSiteIterator.h, and generalize it a bitChris Lattner2003-06-301-101/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7006 91177308-0d34-0410-b5e6-96231b3b80d8
* Reimplement the BU closure to collapse all SCC graphs into a single graph.Chris Lattner2003-06-301-242/+52
| | | | | | | Look at all of the code that gets deleted! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7001 91177308-0d34-0410-b5e6-96231b3b80d8
* Revamp DSGraphs so that they can support multiple functions in the sameChris Lattner2003-06-301-11/+11
| | | | | | | DSGraph at one time git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6994 91177308-0d34-0410-b5e6-96231b3b80d8
* Propagate globals graph from the local to bu to td globals graphs. ThisChris Lattner2003-06-281-2/+3
| | | | | | | fixes bug: DSGraph/buglobals.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6947 91177308-0d34-0410-b5e6-96231b3b80d8
* * Changes to make NodeType be private to DSNode.Chris Lattner2003-06-191-1/+1
| | | | | | | | | * Add new MultiObject flag to DSNode which keeps track of whether or not multiple objects have been merged into the node, allowing must-alias info to be tracked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6794 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement optimization for direct function call case. This dramaticallyChris Lattner2003-02-051-16/+28
| | | | | | | | reduces the number of function nodes created and speeds up analysis by about 10% overall. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5495 91177308-0d34-0410-b5e6-96231b3b80d8
* Add better debug outputChris Lattner2003-02-031-12/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5476 91177308-0d34-0410-b5e6-96231b3b80d8
* Change DSGraph stuff to use hash_(set|map) instead of std::(set|map)Chris Lattner2003-02-011-8/+9
| | | | | | | This change provides a small (3%) but consistent speedup git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5460 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove using declarationsChris Lattner2003-02-011-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5456 91177308-0d34-0410-b5e6-96231b3b80d8
* Add functions to the ban listChris Lattner2003-01-311-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5450 91177308-0d34-0410-b5e6-96231b3b80d8
* * Eliminate boolean arguments in favor of using enumsChris Lattner2003-01-231-6/+6
| | | | | | | * T-D pass now eliminates unreachable globals git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5419 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix logical error in TD pass: we should clear Mod/Ref bits of each callerVikram S. Adve2002-11-271-4/+7
| | | | | | | | before inlining their graphs into a function. To support this, added flags to CloneFlags to strip/keep Mod/Ref bits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4836 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MaxSCC statisticsChris Lattner2002-11-171-6/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4722 91177308-0d34-0410-b5e6-96231b3b80d8
* Inline graphs from outside the SCC into the SCC before SCC resolution startsChris Lattner2002-11-121-4/+104
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4701 91177308-0d34-0410-b5e6-96231b3b80d8
* Complete rewrite of BU code to use Tarjan's SCC finding algorithm to driveChris Lattner2002-11-111-265/+351
| | | | | | | the algorithm instead of hand coded depth first iteration git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4694 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix infinite loop in the BU algorithm. Unfortunately this dies a seriousChris Lattner2002-11-111-30/+177
| | | | | | | death when handling moderately sized SCC's, but what can you do git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4689 91177308-0d34-0410-b5e6-96231b3b80d8
* * Bottom-Up graphs print the Aux call vectorChris Lattner2002-11-101-16/+42
| | | | | | | | | | | * Significantly improve DEBUG output * Aggressively fold calls together if we inlined a graph that provides call nodes. * Add a bailout if the current graph has over 200 call nodes in it, this is a really whacky case that should never happen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4675 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate the ability to remove global nodes from deadNodeElminate... for now.Chris Lattner2002-11-091-1/+1
| | | | | | | | This slows stuff down a bit, but it should get much better before it gets any worse. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4666 91177308-0d34-0410-b5e6-96231b3b80d8
* Add globals graphs to all three passesChris Lattner2002-11-091-11/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4663 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up DSGraph::removeDeadNodes interfaceChris Lattner2002-11-091-7/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4660 91177308-0d34-0410-b5e6-96231b3b80d8
* Make removeTriviallyDeadNodes a private interface of DSGraphChris Lattner2002-11-091-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4659 91177308-0d34-0410-b5e6-96231b3b80d8
* ONLY merge in the aux call sites, this causes a HUGE speedupChris Lattner2002-11-081-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4640 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove gunk used by broken TD passChris Lattner2002-11-081-12/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4632 91177308-0d34-0410-b5e6-96231b3b80d8
* Instead of using a bool that constant has to be explained, use a selfChris Lattner2002-11-071-2/+2
| | | | | | | explanitory enum instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4600 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement a new mergeInGraph method, which basically factors code out ofChris Lattner2002-11-071-44/+4
| | | | | | | | | | | | | the BU class. This will be used by the IPModRef class to do stuff, eventually perhaps the TD pass will use it also. Speaking of the TD pass, this also eliminates the self recursive case, which was broken, and couldn't occur anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4599 91177308-0d34-0410-b5e6-96231b3b80d8
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