diff options
Diffstat (limited to 'lib/CodeGen/LiveVariables.cpp')
-rw-r--r-- | lib/CodeGen/LiveVariables.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp index ed31384534..b372ce030f 100644 --- a/lib/CodeGen/LiveVariables.cpp +++ b/lib/CodeGen/LiveVariables.cpp @@ -701,9 +701,8 @@ void LiveVariables::removeVirtualRegistersKilled(MachineInstr *MI) { /// which is used in a PHI node. We map that to the BB the vreg is coming from. /// void LiveVariables::analyzePHINodes(const MachineFunction& Fn) { - for (MachineFunction::const_iterator I = Fn.begin(), E = Fn.end(); - I != E; ++I) - for (MachineBasicBlock::const_iterator BBI = I->begin(), BBE = I->end(); + for (const auto &MBB : Fn) + for (MachineBasicBlock::const_iterator BBI = MBB.begin(), BBE = MBB.end(); BBI != BBE && BBI->isPHI(); ++BBI) for (unsigned i = 1, e = BBI->getNumOperands(); i != e; i += 2) if (BBI->getOperand(i).readsReg()) |