livePhysRegs: Pass MBB by reference in addLive{Ins|Outs}(); NFC
The block must no be nullptr for the addLiveIns()/addLiveOuts()
function.
llvm-svn: 268340
diff --git a/llvm/lib/CodeGen/LivePhysRegs.cpp b/llvm/lib/CodeGen/LivePhysRegs.cpp
index 4945b3d..eb29550 100644
--- a/llvm/lib/CodeGen/LivePhysRegs.cpp
+++ b/llvm/lib/CodeGen/LivePhysRegs.cpp
@@ -143,18 +143,18 @@
LiveRegs.removeReg(Info.getReg());
}
-void LivePhysRegs::addLiveOutsNoPristines(const MachineBasicBlock *MBB) {
+void LivePhysRegs::addLiveOutsNoPristines(const MachineBasicBlock &MBB) {
// To get the live-outs we simply merge the live-ins of all successors.
- for (const MachineBasicBlock *Succ : MBB->successors())
+ for (const MachineBasicBlock *Succ : MBB.successors())
::addLiveIns(*this, *Succ);
}
-void LivePhysRegs::addLiveOuts(const MachineBasicBlock *MBB) {
- const MachineFunction &MF = *MBB->getParent();
+void LivePhysRegs::addLiveOuts(const MachineBasicBlock &MBB) {
+ const MachineFunction &MF = *MBB.getParent();
const MachineFrameInfo &MFI = *MF.getFrameInfo();
if (MFI.isCalleeSavedInfoValid()) {
addPristines(*this, MF, MFI, *TRI);
- if (MBB->isReturnBlock()) {
+ if (MBB.isReturnBlock()) {
// The return block has no successors whose live-ins we could merge
// below. So instead we add the callee saved registers manually.
for (const MCPhysReg *I = TRI->getCalleeSavedRegs(&MF); *I; ++I)
@@ -165,10 +165,10 @@
addLiveOutsNoPristines(MBB);
}
-void LivePhysRegs::addLiveIns(const MachineBasicBlock *MBB) {
- const MachineFunction &MF = *MBB->getParent();
+void LivePhysRegs::addLiveIns(const MachineBasicBlock &MBB) {
+ const MachineFunction &MF = *MBB.getParent();
const MachineFrameInfo &MFI = *MF.getFrameInfo();
if (MFI.isCalleeSavedInfoValid())
addPristines(*this, MF, MFI, *TRI);
- ::addLiveIns(*this, *MBB);
+ ::addLiveIns(*this, MBB);
}