1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h
index e6981943f49..bf0b9543b89 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h
@@ -59,6 +59,18 @@ public:
   }
 
   void adjustPassManager(PassManagerBuilder &) override;
+  /// Get the integer value of a null pointer in the given address space.
+  uint64_t getNullPointerValue(unsigned AddrSpace) const {
+    switch(AddrSpace) {
+    case AMDGPUAS::PRIVATE_ADDRESS:
+    case AMDGPUAS::LOCAL_ADDRESS:
+    case AMDGPUAS::REGION_ADDRESS:
+      return -1;
+    default:
+      return 0;
+    }
+  }
+
 };
 
 //===----------------------------------------------------------------------===//