SystemZ: Avoid implicit iterator conversions, NFC
Avoid implicit conversions from MachineInstrBundleIterator to
MachineInstr* in the SystemZ backend, mainly by preferring MachineInstr&
over MachineInstr* and using range-based for loops.
llvm-svn: 275137
diff --git a/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp b/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp
index 072b644..1ca92ef 100644
--- a/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp
@@ -55,7 +55,7 @@
// Get two load or store instructions. Use the original instruction for one
// of them (arbitrarily the second here) and create a clone for the other.
- MachineInstr *EarlierMI = MF.CloneMachineInstr(MI);
+ MachineInstr *EarlierMI = MF.CloneMachineInstr(&*MI);
MBB->insert(MI, EarlierMI);
// Set up the two 64-bit registers.
@@ -496,8 +496,8 @@
return false;
MachineBasicBlock::iterator MBBI = IPM, MBBE = Compare.getIterator();
for (++MBBI; MBBI != MBBE; ++MBBI) {
- MachineInstr *MI = MBBI;
- if (MI->modifiesRegister(SystemZ::CC, TRI))
+ MachineInstr &MI = *MBBI;
+ if (MI.modifiesRegister(SystemZ::CC, TRI))
return false;
}