2 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 1f78243e115..6bb64e068ec 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -50,6 +50,9 @@ LegalizerHelper::legalizeInstrStep(MachineInstr &MI,
     return lower(MI, std::get<1>(Action), std::get<2>(Action));
   case LegalizerInfo::FewerElements:
     return fewerElementsVector(MI, std::get<1>(Action), std::get<2>(Action));
+  case LegalizerInfo::Custom:
+    return LegalizerInfo.legalizeCustom(MI, MRI, MIRBuilder) ? Legalized
+                                                             : UnableToLegalize;
   default:
     return UnableToLegalize;
   }
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerInfo.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerInfo.cpp
index e757f2587ac..75c54c23872 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerInfo.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerInfo.cpp
@@ -161,6 +161,7 @@ LLT LegalizerInfo::findLegalType(const InstrAspect &Aspect,
   case Legal:
   case Lower:
   case Libcall:
+  case Custom:
     return Aspect.Type;
   case NarrowScalar: {
     return findLegalType(Aspect,
@@ -181,3 +182,9 @@ LLT LegalizerInfo::findLegalType(const InstrAspect &Aspect,
   }
   }
 }
+
+bool LegalizerInfo::legalizeCustom(MachineInstr &MI,
+                                   MachineRegisterInfo &MRI,
+                                   MachineIRBuilder &MIRBuilder) const {
+  return false;
+}