LivePhysRegs: Rework constructor + documentation; NFC
- Take reference instead of pointer to a TRI that cannot be nullptr.
- Improve documentation comments.
llvm-svn: 304038
diff --git a/llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp b/llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp
index 629ad5c..27707d3 100644
--- a/llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ExpandPseudoInsts.cpp
@@ -601,7 +601,7 @@
MachineOperand &Desired = MI.getOperand(3);
MachineOperand &New = MI.getOperand(4);
- LivePhysRegs LiveRegs(&TII->getRegisterInfo());
+ LivePhysRegs LiveRegs(TII->getRegisterInfo());
LiveRegs.addLiveOuts(MBB);
for (auto I = std::prev(MBB.end()); I != MBBI; --I)
LiveRegs.stepBackward(*I);
@@ -677,7 +677,7 @@
MachineOperand &NewLo = MI.getOperand(6);
MachineOperand &NewHi = MI.getOperand(7);
- LivePhysRegs LiveRegs(&TII->getRegisterInfo());
+ LivePhysRegs LiveRegs(TII->getRegisterInfo());
LiveRegs.addLiveOuts(MBB);
for (auto I = std::prev(MBB.end()); I != MBBI; --I)
LiveRegs.stepBackward(*I);
diff --git a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
index 1aec602..6810249 100644
--- a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
@@ -267,12 +267,12 @@
return AArch64::X9;
const AArch64Subtarget &Subtarget = MF->getSubtarget<AArch64Subtarget>();
- const AArch64RegisterInfo *TRI = Subtarget.getRegisterInfo();
+ const AArch64RegisterInfo &TRI = *Subtarget.getRegisterInfo();
LivePhysRegs LiveRegs(TRI);
LiveRegs.addLiveIns(*MBB);
// Mark callee saved registers as used so we will not choose them.
- const MCPhysReg *CSRegs = TRI->getCalleeSavedRegs(MF);
+ const MCPhysReg *CSRegs = TRI.getCalleeSavedRegs(MF);
for (unsigned i = 0; CSRegs[i]; ++i)
LiveRegs.addReg(CSRegs[i]);