diff --git a/llvm/lib/CodeGen/LiveDebugValues.cpp b/llvm/lib/CodeGen/LiveDebugValues.cpp
index a669e64..02a6e37 100644
--- a/llvm/lib/CodeGen/LiveDebugValues.cpp
+++ b/llvm/lib/CodeGen/LiveDebugValues.cpp
@@ -719,7 +719,7 @@
     // instructions never clobber SP, because some backends (e.g., AArch64)
     // never list SP in the regmask.
     if (MO.isReg() && MO.isDef() && MO.getReg() &&
-        TRI->isPhysicalRegister(MO.getReg()) &&
+        Register::isPhysicalRegister(MO.getReg()) &&
         !(MI.isCall() && MO.getReg() == SP)) {
       // Remove ranges of all aliased registers.
       for (MCRegAliasIterator RAI(MO.getReg(), TRI, true); RAI.isValid(); ++RAI)