From 32eb1f1ca4220d2f24916e587ad7e8574d7d82a1 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Mon, 26 Mar 2007 22:37:45 +0000 Subject: [PATCH] Change findRegisterUseOperand() to return operand index instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35363 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/CodeGen/MachineInstr.h | 6 +++--- lib/CodeGen/MachineInstr.cpp | 8 ++++---- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h index 3351aa80210..f6eaac07581 100644 --- a/include/llvm/CodeGen/MachineInstr.h +++ b/include/llvm/CodeGen/MachineInstr.h @@ -390,10 +390,10 @@ public: delete removeFromParent(); } - /// findRegisterUseOperand() - Returns the MachineOperand that is a use of - /// the specific register or NULL if it is not found. It further tightening + /// findRegisterUseOperand() - Returns the operand index that is a use of + /// the specific register or -1 if it is not found. It further tightening /// the search criteria to a use that kills the register if isKill is true. - MachineOperand *findRegisterUseOperand(unsigned Reg, bool isKill = false); + int findRegisterUseOperand(unsigned Reg, bool isKill = false); /// findRegisterDefOperand() - Returns the MachineOperand that is a def of /// the specific register or NULL if it is not found. diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp index 8c5da0272f0..a1e76916f1d 100644 --- a/lib/CodeGen/MachineInstr.cpp +++ b/lib/CodeGen/MachineInstr.cpp @@ -170,16 +170,16 @@ bool MachineOperand::isIdenticalTo(const MachineOperand &Other) const { } /// findRegisterUseOperand() - Returns the MachineOperand that is a use of -/// the specific register or NULL if it is not found. It further tightening +/// the specific register or -1 if it is not found. It further tightening /// the search criteria to a use that kills the register if isKill is true. -MachineOperand *MachineInstr::findRegisterUseOperand(unsigned Reg, bool isKill){ +int MachineInstr::findRegisterUseOperand(unsigned Reg, bool isKill){ for (unsigned i = 0, e = getNumOperands(); i != e; ++i) { MachineOperand &MO = getOperand(i); if (MO.isReg() && MO.isUse() && MO.getReg() == Reg) if (!isKill || MO.isKill()) - return &MO; + return i; } - return NULL; + return -1; } /// findRegisterDefOperand() - Returns the MachineOperand that is a def of