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2003-07-22Fix comment.Vikram S. Adve
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7227 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-17Fix typo in call to isUnresolvableFunc, which was breaking the build.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7194 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-16Rematerialize nodes from the globals graph into the current graphVikram S. Adve
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
2003-07-16(1) Rematerialize nodes from the globals graph into the current graphVikram S. Adve
after all callers are inlined into the current graph. (2) Optimize the way a graph is inlined into its callees in the TD phase: (a) Use DSGraph::cloneReachableSubgraph to clone only a subgraph at each call site, for faster inlining. (b) Clone separately for the same callee at different call sites, since only the reachable subgraph is being cloned, not the entire caller graph. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7188 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-16Implement 2 important changes: (1) rematerialization from the globals graph,Vikram S. Adve
and (2) faster inlining by cloning only reachable nodes. In particular: (1) Added DSGraph::cloneReachableSubgraph and DSGraph::cloneReachableNodes to clone the subgraph reachable from a set of root nodes, into the current graph, merging the global nodes into thos in the current graph. The TD pass now uses this for faster inlining, and so does the next function. (2) Added DSGraph::updateFromGlobalGraph() to rematerialize nodes from the globals graph into the current graph in both BU and TD passes. (3) `I' flags are removed from all nodes in the globals graph, because they are difficult to maintain correctly and are not needed anyway. (4) Aux. function calls are only removed to the globals graph if they will never be resovled. (This is what fixed gap.) The immediate reason is that if we took these out of a function (and moved them to the globals graph) we would need to rematerialize these nodes into the function graph for every function in the BU pass. The longer term problem is that we would need to find a way to remove them from the globals graph iff they have been resolved on all paths through the call graph. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7187 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-16Factor out the test for unresolvable external functions intoVikram S. Adve
isUnresolvableFunc() (I thought I needed this externally. I don't, but it's still nicer this way.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7186 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-03Remove globals more aggressively from graphs.Chris Lattner
Fix a bug where we removed nodes that were marked U. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7090 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02INCLUDE_PARENT_GRAPH is required!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7088 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Disable incorrect mustalias codeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7087 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Remove space at end of lineChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7084 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Fix how we are handling unreachable functions. This DRAMATICALLY improves ↵Chris Lattner
efficiency git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7082 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Keep track of how many inlinings are performedChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7076 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Try using trivially dead deletionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7075 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Remove dead Nodes listChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7065 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Complete rewrite of td passChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7064 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Print collapsed to match the paperChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7063 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Reduce amount of work we do calculating mustaliases if the arg is a globalChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7062 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Add support for ParentGraph only when building in debug modeChris Lattner
Minor cleanups, reenable folding of call nodes to external functions git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7061 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Add some functions to the blacklistChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7060 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Make the BU closure keep track of which actual calls happenChris Lattner
Minor cleanups git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7059 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-02Make local pass print out its progressChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7058 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-01Rework TD pass to work with the precise call graph constructed by the BU phaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7031 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-01Do not treat global variables as functions! (and assert failing)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7030 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-01Dont' print scalar nodes for ConstantPointerRefsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7029 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-01Minor cleanupsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7027 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30Use the getFunctionNames methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7008 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30Add new methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7007 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30Split CallSiteIterator out into DSCallSiteIterator.h, and generalize it a bitChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7006 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30Be more const-correctChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7005 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30Fix bug in last checkinChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7003 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30Reimplement the BU closure to collapse all SCC graphs into a single graph.Chris Lattner
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
2003-06-30Handle the case where OldNodeMap == &ScalarMap correctlyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7000 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30Remove dead methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6999 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30Do not delete the same graph multiple times when freeing memory if graphs ↵Chris Lattner
are sharing git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6998 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30Do not multiply delete graphs if functions are sharing graphsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6997 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30Move usages of explicit hash_* datastructures to use typedefsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6996 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30Revamp DSGraphs so that they can support multiple functions in the sameChris Lattner
DSGraph at one time git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6994 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-30Adjust for new DSGraph APIChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6993 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-29Abstract out the predicate which decides whether a function gets completeChris Lattner
arguments or not... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6987 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-29Fix minor bug in previous checkinChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6986 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-29Add support for ensuring that nodes are not incompleteChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6985 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-29Add support for "physical subtyping", which fixes:Chris Lattner
DSGraph/2003-06-29-NodeCollapsing2.ll & DSGraph/PhysicalSubtyping.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6982 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-29Add print method to not get silly warning from analyzeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6981 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-29New pass which is useful for writing regression testsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6979 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-29Expose must alias information for global variables, implementing: ↵Chris Lattner
DSGraph/mustalias.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6973 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-28Propagate globals graph from the local to bu to td globals graphs. ThisChris Lattner
fixes bug: DSGraph/buglobals.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6947 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-28Drop references to globals who do exist in the globals graph, but are neverChris Lattner
read or written to. Keep track of how many times this happens. This should be good for deleting things like references to type information in C++ classes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6946 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-28Avoid double negativesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6945 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-28New pass to perform DSA based optimizations. Initially we just support turningChris Lattner
globals into constants if we can prove it's safe git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6941 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-22Remove support for the MultiObject flag, which was fundamentally brokenChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6840 91177308-0d34-0410-b5e6-96231b3b80d8
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