[AMDGPU] Remove redundant isAMDGCN check. NFC.
diff --git a/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp b/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp
index 0237a60..fe9eeb9 100644
--- a/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp
+++ b/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp
@@ -137,7 +137,7 @@
   if (LDSBankCount == 0)
     LDSBankCount = 32;
 
-  if (TT.isAMDGCN() && AddressableLocalMemorySize == 0)
+  if (AddressableLocalMemorySize == 0)
     AddressableLocalMemorySize = 32768;
 
   LocalMemorySize = AddressableLocalMemorySize;