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Loop exit sets are no longer explicitly held, they are dynamically computed on demand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13046 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -436,7 +436,8 @@ bool LICM::isLoopInvariantInst(Instruction &I) {
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void LICM::sink(Instruction &I) {
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DEBUG(std::cerr << "LICM sinking instruction: " << I);
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const std::vector<BasicBlock*> &ExitBlocks = CurLoop->getExitBlocks();
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std::vector<BasicBlock*> ExitBlocks;
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CurLoop->getExitBlocks(ExitBlocks);
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if (isa<LoadInst>(I)) ++NumMovedLoads;
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else if (isa<CallInst>(I)) ++NumMovedCalls;
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@ -593,7 +594,8 @@ bool LICM::isSafeToExecuteUnconditionally(Instruction &Inst) {
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return true;
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// Get the exit blocks for the current loop.
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const std::vector<BasicBlock*> &ExitBlocks = CurLoop->getExitBlocks();
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std::vector<BasicBlock*> ExitBlocks;
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CurLoop->getExitBlocks(ExitBlocks);
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// For each exit block, get the DT node and walk up the DT until the
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// instruction's basic block is found or we exit the loop.
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@ -667,7 +669,8 @@ void LICM::PromoteValuesInLoop() {
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//
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std::set<BasicBlock*> ProcessedBlocks;
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const std::vector<BasicBlock*> &ExitBlocks = CurLoop->getExitBlocks();
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std::vector<BasicBlock*> ExitBlocks;
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CurLoop->getExitBlocks(ExitBlocks);
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for (unsigned i = 0, e = ExitBlocks.size(); i != e; ++i)
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if (ProcessedBlocks.insert(ExitBlocks[i]).second) {
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// Copy all of the allocas into their memory locations...
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