diff options
| -rw-r--r-- | include/llvm/BasicBlock.h | 5 | ||||
| -rw-r--r-- | include/llvm/Instruction.h | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/include/llvm/BasicBlock.h b/include/llvm/BasicBlock.h index 551ca4d..f15d2b4 100644 --- a/include/llvm/BasicBlock.h +++ b/include/llvm/BasicBlock.h @@ -85,6 +85,11 @@ public: BasicBlock *getPrev() { return Prev; } const BasicBlock *getPrev() const { return Prev; } + /// use_back - Specialize the methods defined in Value, as we know that an + /// BasicBlock can only be used by Instructions (specifically PHI and terms). + Instruction *use_back() { return cast<Instruction>(*use_begin());} + const Instruction *use_back() const { return cast<Instruction>(*use_begin());} + /// getTerminator() - If this is a well formed basic block, then this returns /// a pointer to the terminator instruction. If it is not, then you get a /// null pointer back. diff --git a/include/llvm/Instruction.h b/include/llvm/Instruction.h index cd024d0..591e0d2 100644 --- a/include/llvm/Instruction.h +++ b/include/llvm/Instruction.h @@ -71,7 +71,11 @@ public: /// extra information (e.g. load is volatile) agree. bool isIdenticalTo(Instruction *I) const; - + /// use_back - Specialize the methods defined in Value, as we know that an + /// instruction can only be used by other instructions. + Instruction *use_back() { return cast<Instruction>(*use_begin());} + const Instruction *use_back() const { return cast<Instruction>(*use_begin());} + // Accessor methods... // inline const BasicBlock *getParent() const { return Parent; } |