CodeGen: Use range-based for in LiveVariables, NFC
Avoid an implicit iterator to pointer conversion in
LiveVariables::runOnBlock by switching to a range-based for.
llvm-svn: 274297
diff --git a/llvm/lib/CodeGen/LiveVariables.cpp b/llvm/lib/CodeGen/LiveVariables.cpp
index e3d854a..b30d779 100644
--- a/llvm/lib/CodeGen/LiveVariables.cpp
+++ b/llvm/lib/CodeGen/LiveVariables.cpp
@@ -575,14 +575,12 @@
// Loop over all of the instructions, processing them.
DistanceMap.clear();
unsigned Dist = 0;
- for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end();
- I != E; ++I) {
- MachineInstr *MI = I;
- if (MI->isDebugValue())
+ for (MachineInstr &MI : *MBB) {
+ if (MI.isDebugValue())
continue;
- DistanceMap.insert(std::make_pair(MI, Dist++));
+ DistanceMap.insert(std::make_pair(&MI, Dist++));
- runOnInstr(MI, Defs);
+ runOnInstr(&MI, Defs);
}
// Handle any virtual assignments from PHI nodes which might be at the