#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/SparseBitVector.h"
void HandlePhysRegDef(unsigned Reg, MachineInstr *MI);
/// FindLastPartialDef - Return the last partial def of the specified register.
- /// Also returns the sub-register that's defined.
- MachineInstr *FindLastPartialDef(unsigned Reg, unsigned &PartDefReg);
+ /// Also returns the sub-registers that're defined by the instruction.
+ MachineInstr *FindLastPartialDef(unsigned Reg,
+ SmallSet<unsigned,4> &PartDefRegs);
/// hasRegisterUseBelow - Return true if the specified register is used after
/// the current instruction and before its next definition.