AMDGPU/GlobalISel: Select G_PTR_MASK

llvm-svn: 371412
diff --git a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
index 5e5c9d7..6a08f04 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -392,6 +392,10 @@
     .legalForCartesianProduct(AddrSpaces32, {S32})
     .scalarize(0);
 
+  getActionDefinitionsBuilder(G_PTR_MASK)
+    .scalarize(0)
+    .alwaysLegal();
+
   setAction({G_BLOCK_ADDR, CodePtr}, Legal);
 
   auto &CmpBuilder =