[CodeGen] Use range-based for loops (NFC)

1 files changed, 8 insertions, 8 deletions

diff --git a/llvm/lib/CodeGen/MachineRegisterInfo.cpp b/llvm/lib/CodeGen/MachineRegisterInfo.cpp
index 5325eda..b789f9d 100644
--- a/llvm/lib/CodeGen/MachineRegisterInfo.cpp
+++ b/llvm/lib/CodeGen/MachineRegisterInfo.cpp
@@ -434,8 +434,8 @@ void MachineRegisterInfo::clearKillFlags(Register Reg) const {
 }
 
 bool MachineRegisterInfo::isLiveIn(Register Reg) const {
-  for (livein_iterator I = livein_begin(), E = livein_end(); I != E; ++I)
-    if ((Register)I->first == Reg || I->second == Reg)
+  for (const std::pair<MCRegister, Register> &LI : liveins())
+    if ((Register)LI.first == Reg || LI.second == Reg)
       return true;
   return false;
 }
@@ -443,18 +443,18 @@ bool MachineRegisterInfo::isLiveIn(Register Reg) const {
 /// getLiveInPhysReg - If VReg is a live-in virtual register, return the
 /// corresponding live-in physical register.
 MCRegister MachineRegisterInfo::getLiveInPhysReg(Register VReg) const {
-  for (livein_iterator I = livein_begin(), E = livein_end(); I != E; ++I)
-    if (I->second == VReg)
-      return I->first;
+  for (const std::pair<MCRegister, Register> &LI : liveins())
+    if (LI.second == VReg)
+      return LI.first;
   return MCRegister();
 }
 
 /// getLiveInVirtReg - If PReg is a live-in physical register, return the
 /// corresponding live-in physical register.
 Register MachineRegisterInfo::getLiveInVirtReg(MCRegister PReg) const {
-  for (livein_iterator I = livein_begin(), E = livein_end(); I != E; ++I)
-    if (I->first == PReg)
-      return I->second;
+  for (const std::pair<MCRegister, Register> &LI : liveins())
+    if (LI.first == PReg)
+      return LI.second;
   return Register();
 }