diff --git a/test/TableGen/GlobalISelEmitter.td b/test/TableGen/GlobalISelEmitter.td
index eb0609c5126..aeac85962f6 100644
--- a/test/TableGen/GlobalISelEmitter.td
+++ b/test/TableGen/GlobalISelEmitter.td
@@ -138,6 +138,8 @@ def ADD : I<(outs GPR32:$dst), (ins GPR32:$src1, GPR32:$src2),
 // CHECK-NEXT:      return false;
 // CHECK-NEXT:    if (!MI0.getOperand(1).isReg())
 // CHECK-NEXT:      return false;
+// CHECK-NEXT:    if (TRI.isPhysicalRegister(MI0.getOperand(1).getReg()))
+// CHECK-NEXT:      return false;
 // CHECK-NEXT:    MachineInstr &MI1 = *MRI.getVRegDef(MI0.getOperand(1).getReg());
 // CHECK-NEXT:    if (MI1.getNumOperands() < 3)
 // CHECK-NEXT:      return false;
@@ -180,6 +182,8 @@ def ADD : I<(outs GPR32:$dst), (ins GPR32:$src1, GPR32:$src2),
 // CHECK-NEXT:      return false;
 // CHECK-NEXT:    if (!MI0.getOperand(2).isReg())
 // CHECK-NEXT:      return false;
+// CHECK-NEXT:    if (TRI.isPhysicalRegister(MI0.getOperand(2).getReg()))
+// CHECK-NEXT:      return false;
 // CHECK-NEXT:    MachineInstr &MI1 = *MRI.getVRegDef(MI0.getOperand(2).getReg());
 // CHECK-NEXT:    if (MI1.getNumOperands() < 3)
 // CHECK-NEXT:      return false;
diff --git a/utils/TableGen/GlobalISelEmitter.cpp b/utils/TableGen/GlobalISelEmitter.cpp
index 2b624d95c66..7a500eaf411 100644
--- a/utils/TableGen/GlobalISelEmitter.cpp
+++ b/utils/TableGen/GlobalISelEmitter.cpp
@@ -775,6 +775,8 @@ public:
   void emitCxxCaptureStmts(raw_ostream &OS, RuleMatcher &Rule,
                            StringRef OperandExpr) const override {
     OS << "if (!" << OperandExpr + ".isReg())\n"
+       << "  return false;\n"
+       << "if (TRI.isPhysicalRegister(" << OperandExpr + ".getReg()))\n"
        << "  return false;\n";
     std::string InsnVarName = Rule.defineInsnVar(
         OS, *InsnMatcher,