diff --git a/llvm/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp b/llvm/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp
--- a/llvm/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp
@@ -96,7 +96,7 @@
       AS == AMDGPUAS::CONSTANT_ADDRESS_32BIT)
     return true;
 
-  const Value *Base = getUnderlyingObject(Loc.Ptr);
+  const Value *Base = getUnderlyingObject(Loc.Ptr, 0);
   AS = Base->getType()->getPointerAddressSpace();
   if (AS == AMDGPUAS::CONSTANT_ADDRESS ||
       AS == AMDGPUAS::CONSTANT_ADDRESS_32BIT)