AMDGPU: Remove remnants of old address space mapping

llvm-svn: 341165
diff --git a/llvm/lib/Target/AMDGPU/R600InstrInfo.cpp b/llvm/lib/Target/AMDGPU/R600InstrInfo.cpp
index c54ea7a..9722896 100644
--- a/llvm/lib/Target/AMDGPU/R600InstrInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/R600InstrInfo.cpp
@@ -1504,15 +1504,15 @@
   switch (Kind) {
   case PseudoSourceValue::Stack:
   case PseudoSourceValue::FixedStack:
-    return ST.getAMDGPUAS().PRIVATE_ADDRESS;
+    return AMDGPUAS::PRIVATE_ADDRESS;
   case PseudoSourceValue::ConstantPool:
   case PseudoSourceValue::GOT:
   case PseudoSourceValue::JumpTable:
   case PseudoSourceValue::GlobalValueCallEntry:
   case PseudoSourceValue::ExternalSymbolCallEntry:
   case PseudoSourceValue::TargetCustom:
-    return ST.getAMDGPUAS().CONSTANT_ADDRESS;
+    return AMDGPUAS::CONSTANT_ADDRESS;
   }
+
   llvm_unreachable("Invalid pseudo source kind");
-  return ST.getAMDGPUAS().PRIVATE_ADDRESS;
 }