Convert several loops over MachineFunction basic blocks to range-based loops
llvm-svn: 207683
diff --git a/llvm/lib/CodeGen/LexicalScopes.cpp b/llvm/lib/CodeGen/LexicalScopes.cpp
index 02ffb01..f87b890 100644
--- a/llvm/lib/CodeGen/LexicalScopes.cpp
+++ b/llvm/lib/CodeGen/LexicalScopes.cpp
@@ -59,12 +59,11 @@
DenseMap<const MachineInstr *, LexicalScope *> &MI2ScopeMap) {
// Scan each instruction and create scopes. First build working set of scopes.
- for (MachineFunction::const_iterator I = MF->begin(), E = MF->end(); I != E;
- ++I) {
+ for (const auto &MBB : *MF) {
const MachineInstr *RangeBeginMI = nullptr;
const MachineInstr *PrevMI = nullptr;
DebugLoc PrevDL;
- for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end();
+ for (MachineBasicBlock::const_iterator II = MBB.begin(), IE = MBB.end();
II != IE; ++II) {
const MachineInstr *MInsn = II;
@@ -274,9 +273,8 @@
return;
if (Scope == CurrentFnLexicalScope) {
- for (MachineFunction::const_iterator I = MF->begin(), E = MF->end(); I != E;
- ++I)
- MBBs.insert(I);
+ for (const auto &MBB : *MF)
+ MBBs.insert(&MBB);
return;
}