Index: llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
===================================================================
--- llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
+++ llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
@@ -218,11 +218,19 @@
   return any(any(P0, P1), args...);
 }
 
-/// True iff the given type index is the specified types.
+/// True iff the given type index is the specified type.
 LegalityPredicate typeIs(unsigned TypeIdx, LLT TypesInit);
 /// True iff the given type index is one of the specified types.
 LegalityPredicate typeInSet(unsigned TypeIdx,
                             std::initializer_list<LLT> TypesInit);
+
+/// True iff the given type index is not the specified type.
+inline LegalityPredicate typeIsNot(unsigned TypeIdx, LLT Type) {
+  return [=](const LegalityQuery &Query) {
+           return Query.Types[TypeIdx] != Type;
+         };
+}
+
 /// True iff the given types for the given pair of type indexes is one of the
 /// specified type pairs.
 LegalityPredicate
Index: llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -551,8 +551,8 @@
     .legalFor({{PrivatePtr, S32}});
 
   getActionDefinitionsBuilder(G_GLOBAL_VALUE)
-    .unsupportedFor({PrivatePtr})
-    .custom();
+    .customIf(typeIsNot(0, PrivatePtr));
+
   setAction({G_BLOCK_ADDR, CodePtr}, Legal);
 
   auto &FPOpActions = getActionDefinitionsBuilder(