diff options
Diffstat (limited to 'llvm/lib/CodeGen/PrologEpilogInserter.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/PrologEpilogInserter.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp index 9a4f70a..afc70a9 100644 --- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp +++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp @@ -527,9 +527,9 @@ static void updateLiveness(MachineFunction &MF) { const std::vector<CalleeSavedInfo> &CSI = MFI.getCalleeSavedInfo(); MachineRegisterInfo &MRI = MF.getRegInfo(); - for (unsigned i = 0, e = CSI.size(); i != e; ++i) { + for (const CalleeSavedInfo &I : CSI) { for (MachineBasicBlock *MBB : Visited) { - MCPhysReg Reg = CSI[i].getReg(); + MCPhysReg Reg = I.getReg(); // Add the callee-saved register as live-in. // It's killed at the spill. if (!MRI.isReserved(Reg) && !MBB->isLiveIn(Reg)) @@ -540,17 +540,16 @@ static void updateLiveness(MachineFunction &MF) { // each MBB between the prologue and epilogue so that it is not clobbered // before it is reloaded in the epilogue. The Visited set contains all // blocks outside of the region delimited by prologue/epilogue. - if (CSI[i].isSpilledToReg()) { + if (I.isSpilledToReg()) { for (MachineBasicBlock &MBB : MF) { if (Visited.count(&MBB)) continue; - MCPhysReg DstReg = CSI[i].getDstReg(); + MCPhysReg DstReg = I.getDstReg(); if (!MBB.isLiveIn(DstReg)) MBB.addLiveIn(DstReg); } } } - } /// Insert restore code for the callee-saved registers used in the function. |