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-rw-r--r--include/llvm/CodeGen/LiveVariables.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/LiveVariables.h b/include/llvm/CodeGen/LiveVariables.h
index aa3b765..977b87a 100644
--- a/include/llvm/CodeGen/LiveVariables.h
+++ b/include/llvm/CodeGen/LiveVariables.h
@@ -165,6 +165,12 @@ private: // Intermediate data structures
void HandlePhysRegUse(unsigned Reg, MachineInstr *MI);
void HandlePhysRegDef(unsigned Reg, MachineInstr *MI);
+ /// hasRegisterUseBelow - Return true if the specified register is used after
+ /// the current instruction and before it's next definition.
+ bool hasRegisterUseBelow(unsigned Reg,
+ MachineBasicBlock::iterator I,
+ MachineBasicBlock *MBB);
+
/// analyzePHINodes - Gather information about the PHI nodes in here. In
/// particular, we want to map the variable information of a virtual
/// register which is used in a PHI node. We map that to the BB the vreg