1 files changed, 4 insertions, 7 deletions

diff --git a/contrib/llvm-project/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp b/contrib/llvm-project/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp
index c6c0b79cd7e7..0bb186a02416 100644
--- a/contrib/llvm-project/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp
+++ b/contrib/llvm-project/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp
@@ -76,8 +76,7 @@ bool DeadMachineInstructionElim::isDead(const MachineInstr *MI) const {
     return false;
 
   // Examine each operand.
-  for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
-    const MachineOperand &MO = MI->getOperand(i);
+  for (const MachineOperand &MO : MI->operands()) {
     if (MO.isReg() && MO.isDef()) {
       Register Reg = MO.getReg();
       if (Register::isPhysicalRegister(Reg)) {
@@ -87,7 +86,7 @@ bool DeadMachineInstructionElim::isDead(const MachineInstr *MI) const {
       } else {
         if (MO.isDead()) {
 #ifndef NDEBUG
-          // Sanity check on uses of this dead register. All of them should be
+          // Baisc check on the register. All of them should be
           // 'undef'.
           for (auto &U : MRI->use_nodbg_operands(Reg))
             assert(U.isUndef() && "'Undef' use on a 'dead' register is found!");
@@ -152,8 +151,7 @@ bool DeadMachineInstructionElim::eliminateDeadMI(MachineFunction &MF) {
       }
 
       // Record the physreg defs.
-      for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) {
-        const MachineOperand &MO = MI.getOperand(i);
+      for (const MachineOperand &MO : MI.operands()) {
         if (MO.isReg() && MO.isDef()) {
           Register Reg = MO.getReg();
           if (Register::isPhysicalRegister(Reg)) {
@@ -171,8 +169,7 @@ bool DeadMachineInstructionElim::eliminateDeadMI(MachineFunction &MF) {
       }
       // Record the physreg uses, after the defs, in case a physreg is
       // both defined and used in the same instruction.
-      for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) {
-        const MachineOperand &MO = MI.getOperand(i);
+      for (const MachineOperand &MO : MI.operands()) {
         if (MO.isReg() && MO.isUse()) {
           Register Reg = MO.getReg();
           if (Register::isPhysicalRegister(Reg)) {