Switch a number of loops in lib/CodeGen over to range-based for-loops, now that

[oota-llvm.git] / lib / CodeGen / OptimizePHIs.cpp

diff --git a/lib/CodeGen/OptimizePHIs.cpp b/lib/CodeGen/OptimizePHIs.cpp
index 50968efc9d50bb9f64636c4603610f415434fff2..4973802aa05fc184136b35f2d6d5ce81dcb47956 100644 (file)
--- a/lib/CodeGen/OptimizePHIs.cpp
+++ b/lib/CodeGen/OptimizePHIs.cpp
@@ -139,10 +139,8 @@ bool OptimizePHIs::IsDeadPHICycle(MachineInstr *MI, InstrSet &PHIsInCycle) {
   if (PHIsInCycle.size() == 16)
     return false;
 
-  for (MachineRegisterInfo::use_instr_iterator I = MRI->use_instr_begin(DstReg),
-         E = MRI->use_instr_end(); I != E; ++I) {
-    MachineInstr *UseMI = &*I;
-    if (!UseMI->isPHI() || !IsDeadPHICycle(UseMI, PHIsInCycle))
+  for (MachineInstr &UseMI : MRI->use_instructions(DstReg)) {
+    if (!UseMI.isPHI() || !IsDeadPHICycle(&UseMI, PHIsInCycle))
       return false;
   }