[CIR][Dialect][NFC] Add some helpers to LoadOp

These are just missing getters/setters that should be there already.
They are in use in a patch coming up. I'm splitting them out here for
reviewability.

Reviewers: bcardosolopes

Pull Request: #1021

Author: lanza

clang/include/clang/CIR/Dialect/IR/CIROps.td

@@ -599,6 +599,13 @@ def LoadOp : CIR_Op<"load", [
     $addr `:` qualified(type($addr)) `,` type($result) attr-dict
   }];
 
+  let extraClassDeclaration = [{
+    // TODO(CIR): The final interface here should include an argument for the
+    // SyncScope::ID.
+    // This should be used over the ODS generated setMemOrder.
+    void setAtomic(mlir::cir::MemOrder order);
+  }];
+
   // FIXME: add verifier.
 }
 
@@ -656,6 +663,13 @@ def StoreOp : CIR_Op<"store", [
     $value `,` $addr attr-dict `:` type($value) `,` qualified(type($addr))
   }];
 
+  let extraClassDeclaration = [{
+    // TODO(CIR): The final interface here should include an argument for the
+    // SyncScope::ID.
+    // This should be used over the ODS generated setMemOrder.
+    void setAtomic(mlir::cir::MemOrder order);
+  }];
+
   // FIXME: add verifier.
 }
 
@@ -2411,8 +2425,12 @@ def GlobalOp : CIR_Op<"global",
     bool hasAvailableExternallyLinkage() {
       return mlir::cir::isAvailableExternallyLinkage(getLinkage());
     }
+    bool hasInternalLinkage() {
+      return mlir::cir::isInternalLinkage(getLinkage());
+    }
     /// Whether the definition of this global may be replaced at link time.
     bool isWeakForLinker() { return cir::isWeakForLinker(getLinkage()); }
+    bool isDSOLocal() { return getDsolocal(); }
   }];
 
   let skipDefaultBuilders = 1;

clang/lib/CIR/CodeGen/CIRGenAtomic.cpp

@@ -1462,7 +1462,7 @@ void CIRGenFunction::buildAtomicStore(RValue rvalue, LValue dest,
       MO = mlir::cir::MemOrder::Release;
     // Initializations don't need to be atomic.
     if (!isInit)
-      store.setMemOrder(MO);
+      store.setAtomic(MO);
 
     // Other decoration.
     if (IsVolatile)