Switch a number of loops in lib/CodeGen over to range-based for-loops, now that
the MachineRegisterInfo iterators are compatible with it.
llvm-svn: 204075
diff --git a/llvm/lib/CodeGen/OptimizePHIs.cpp b/llvm/lib/CodeGen/OptimizePHIs.cpp
index 50968ef..4973802 100644
--- a/llvm/lib/CodeGen/OptimizePHIs.cpp
+++ b/llvm/lib/CodeGen/OptimizePHIs.cpp
@@ -139,10 +139,8 @@
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;
}