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RegionInfo: Allow to update exit and entry of a region.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116396 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -257,6 +257,18 @@ public:
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/// @return The entry BasicBlock of the region.
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BasicBlock *getEntry() const { return RegionNode::getEntry(); }
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/// @brief Replace the entry basic block of the region with the new basic
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/// block.
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///
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/// @param BB The new entry basic block of the region.
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void replaceEntry(BasicBlock *BB);
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/// @brief Replace the exit basic block of the region with the new basic
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/// block.
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///
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/// @param BB The new exit basic block of the region.
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void replaceExit(BasicBlock *BB);
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/// @brief Get the exit BasicBlock of the Region.
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/// @return The exit BasicBlock of the Region, NULL if this is the TopLevel
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/// Region.
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@ -72,6 +72,15 @@ Region::~Region() {
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delete *I;
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}
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void Region::replaceEntry(BasicBlock *BB) {
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entry.setPointer(BB);
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}
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void Region::replaceExit(BasicBlock *BB) {
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assert(exit && "No exit to replace!");
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exit = BB;
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}
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bool Region::contains(const BasicBlock *B) const {
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BasicBlock *BB = const_cast<BasicBlock*>(B);
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