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/SystemZ/SystemZExpandPseudo.cpp b/llvm/lib/Target/SystemZ/SystemZExpandPseudo.cpp
index 92ce808..d02db9a 100644
--- a/llvm/lib/Target/SystemZ/SystemZExpandPseudo.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZExpandPseudo.cpp
@@ -74,7 +74,7 @@
unsigned CCValid = MI.getOperand(3).getImm();
unsigned CCMask = MI.getOperand(4).getImm();
- LivePhysRegs LiveRegs(&TII->getRegisterInfo());
+ LivePhysRegs LiveRegs(TII->getRegisterInfo());
LiveRegs.addLiveOuts(MBB);
for (auto I = std::prev(MBB.end()); I != MBBI; --I)
LiveRegs.stepBackward(*I);