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Add an initial version of the CompleteBUDataStructures pass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9955 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -82,6 +82,7 @@ public:
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// only performs a "Bottom Up" propagation (hence the name).
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//
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class BUDataStructures : public Pass {
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protected:
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// DSInfo, one graph for each function
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hash_map<Function*, DSGraph*> DSInfo;
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DSGraph *GlobalsGraph;
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@ -186,6 +187,39 @@ private:
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const BUDataStructures::ActualCalleesTy &ActualCallees);
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};
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// CompleteBUDataStructures - This is the exact same as the bottom-up graphs,
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// but we use take a completed call graph and inline all indirect callees into
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// their callers graphs, making the result more useful for things like pool
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// allocation.
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//
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struct CompleteBUDataStructures : public BUDataStructures {
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virtual bool run(Module &M);
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bool hasGraph(const Function &F) const {
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return DSInfo.find(const_cast<Function*>(&F)) != DSInfo.end();
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}
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// getDSGraph - Return the data structure graph for the specified function.
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DSGraph &getDSGraph(const Function &F) const {
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hash_map<Function*, DSGraph*>::const_iterator I =
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DSInfo.find(const_cast<Function*>(&F));
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assert(I != DSInfo.end() && "Function not in module!");
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return *I->second;
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}
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virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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AU.addRequired<BUDataStructures>();
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// FIXME: TEMPORARY (remove once finalization of indirect call sites in the
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// globals graph has been implemented in the BU pass)
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AU.addRequired<TDDataStructures>();
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}
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};
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} // End llvm namespace
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#endif
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@ -82,6 +82,7 @@ public:
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// only performs a "Bottom Up" propagation (hence the name).
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//
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class BUDataStructures : public Pass {
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protected:
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// DSInfo, one graph for each function
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hash_map<Function*, DSGraph*> DSInfo;
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DSGraph *GlobalsGraph;
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@ -186,6 +187,39 @@ private:
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const BUDataStructures::ActualCalleesTy &ActualCallees);
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};
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// CompleteBUDataStructures - This is the exact same as the bottom-up graphs,
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// but we use take a completed call graph and inline all indirect callees into
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// their callers graphs, making the result more useful for things like pool
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// allocation.
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//
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struct CompleteBUDataStructures : public BUDataStructures {
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virtual bool run(Module &M);
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bool hasGraph(const Function &F) const {
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return DSInfo.find(const_cast<Function*>(&F)) != DSInfo.end();
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}
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// getDSGraph - Return the data structure graph for the specified function.
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DSGraph &getDSGraph(const Function &F) const {
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hash_map<Function*, DSGraph*>::const_iterator I =
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DSInfo.find(const_cast<Function*>(&F));
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assert(I != DSInfo.end() && "Function not in module!");
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return *I->second;
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}
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virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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AU.addRequired<BUDataStructures>();
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// FIXME: TEMPORARY (remove once finalization of indirect call sites in the
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// globals graph has been implemented in the BU pass)
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AU.addRequired<TDDataStructures>();
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}
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};
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} // End llvm namespace
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#endif
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