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fix grammar, thanks Duncan!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60875 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -137,8 +137,8 @@ public:
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/// getUniquePredecessor - If this basic block has a unique predecessor block,
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/// return the block, otherwise return a null pointer.
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/// Note that unique predecessor doesn't mean single edge, there can be
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/// multiple edges from the unique predecessor to this block (for example in
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/// case of a switch statement with multiple cases having same destination).
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/// multiple edges from the unique predecessor to this block (for example
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/// a switch statement with multiple cases having the same destination).
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BasicBlock *getUniquePredecessor();
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const BasicBlock *getUniquePredecessor() const {
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return const_cast<BasicBlock*>(this)->getUniquePredecessor();
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@ -172,8 +172,8 @@ BasicBlock *BasicBlock::getSinglePredecessor() {
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/// getUniquePredecessor - If this basic block has a unique predecessor block,
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/// return the block, otherwise return a null pointer.
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/// Note that unique predecessor doesn't mean single edge, there can be
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/// multiple edges from the unique predecessor to this block (for example in
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/// case of a switch statement with multiple cases having same destination).
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/// multiple edges from the unique predecessor to this block (for example
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/// a switch statement with multiple cases having the same destination).
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BasicBlock *BasicBlock::getUniquePredecessor() {
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pred_iterator PI = pred_begin(this), E = pred_end(this);
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if (PI == E) return 0; // No preds.
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@ -182,8 +182,8 @@ BasicBlock *BasicBlock::getUniquePredecessor() {
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for (;PI != E; ++PI) {
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if (*PI != PredBB)
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return 0;
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// same predecessor appears multiple times in predecessor list,
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// this is ok
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// The same predecessor appears multiple times in the predecessor list.
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// This is OK.
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}
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return PredBB;
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}
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