diff options
| -rw-r--r-- | include/llvm/CodeGen/SelectionDAGNodes.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index be7acb5e36..3627855f14 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -324,6 +324,10 @@ public: inline unsigned getOpcode() const; inline unsigned getNumOperands() const; inline const SDOperand &getOperand(unsigned i) const; + + /// hasOneUse - Return true if there is exactly one operation using this + /// result value of the defining operator. + inline bool hasOneUse() const; }; @@ -481,7 +485,9 @@ inline unsigned SDOperand::getNumOperands() const { inline const SDOperand &SDOperand::getOperand(unsigned i) const { return Val->getOperand(i); } - +inline bool SDOperand::hasOneUse() const { + return Val->hasNUsesOfValue(1, ResNo); +} class ConstantSDNode : public SDNode { |