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https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
minor cleanups
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34904 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -239,6 +239,9 @@ public:
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return TrackedGlobals;
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}
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inline void markOverdefined(Value *V) {
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markOverdefined(ValueState[V], V);
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}
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private:
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// markConstant - Make a value be marked as "constant". If the value
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@ -277,9 +280,6 @@ private:
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OverdefinedInstWorkList.push_back(V);
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}
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}
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inline void markOverdefined(Value *V) {
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markOverdefined(ValueState[V], V);
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}
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inline void mergeInValue(LatticeVal &IV, Value *V, LatticeVal &MergeWithV) {
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if (IV.isOverdefined() || MergeWithV.isUndefined())
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@ -1365,9 +1365,8 @@ bool SCCP::runOnFunction(Function &F) {
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Solver.MarkBlockExecutable(F.begin());
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// Mark all arguments to the function as being overdefined.
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std::map<Value*, LatticeVal> &Values = Solver.getValueMapping();
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for (Function::arg_iterator AI = F.arg_begin(), E = F.arg_end(); AI != E; ++AI)
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Values[AI].markOverdefined();
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Solver.markOverdefined(AI);
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// Solve for constants.
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bool ResolvedUndefs = true;
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@ -1385,6 +1384,8 @@ bool SCCP::runOnFunction(Function &F) {
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//
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SmallSet<BasicBlock*, 16> &ExecutableBBs = Solver.getExecutableBlocks();
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SmallVector<Instruction*, 32> Insts;
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std::map<Value*, LatticeVal> &Values = Solver.getValueMapping();
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for (Function::iterator BB = F.begin(), E = F.end(); BB != E; ++BB)
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if (!ExecutableBBs.count(BB)) {
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DOUT << " BasicBlock Dead:" << *BB;
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@ -1486,14 +1487,13 @@ bool IPSCCP::runOnModule(Module &M) {
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// Loop over all functions, marking arguments to those with their addresses
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// taken or that are external as overdefined.
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//
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std::map<Value*, LatticeVal> &Values = Solver.getValueMapping();
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for (Module::iterator F = M.begin(), E = M.end(); F != E; ++F)
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if (!F->hasInternalLinkage() || AddressIsTaken(F)) {
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if (!F->isDeclaration())
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Solver.MarkBlockExecutable(F->begin());
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for (Function::arg_iterator AI = F->arg_begin(), E = F->arg_end();
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AI != E; ++AI)
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Values[AI].markOverdefined();
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Solver.markOverdefined(AI);
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} else {
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Solver.AddTrackedFunction(F);
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}
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@ -1525,6 +1525,7 @@ bool IPSCCP::runOnModule(Module &M) {
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SmallSet<BasicBlock*, 16> &ExecutableBBs = Solver.getExecutableBlocks();
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SmallVector<Instruction*, 32> Insts;
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SmallVector<BasicBlock*, 32> BlocksToErase;
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std::map<Value*, LatticeVal> &Values = Solver.getValueMapping();
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for (Module::iterator F = M.begin(), E = M.end(); F != E; ++F) {
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for (Function::arg_iterator AI = F->arg_begin(), E = F->arg_end();
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