[BACKEND] CLCTryCancel uses the async proxy (#9464)

As per title

Author: lezcano

lib/Dialect/TritonNvidiaGPU/Transforms/ProxyFenceInsertion.cpp

@@ -32,7 +32,8 @@ namespace {
 
 bool isAsyncProxyWrite(Operation *op) {
   return isa<triton::nvidia_gpu::AsyncTMACopyGlobalToLocalOp,
-             triton::nvidia_gpu::AsyncTMAGatherOp>(op);
+             triton::nvidia_gpu::AsyncTMAGatherOp,
+             triton::nvidia_gpu::CLCTryCancelOp>(op);
 }
 
 Value getSmemDest(Operation *op) {
@@ -44,6 +45,9 @@ Value getSmemDest(Operation *op) {
           dyn_cast<triton::nvidia_gpu::AsyncTMAGatherOp>(op)) {
     return asyncTMAGatherOp.getResult();
   }
+  if (auto clcTryCancelOp = dyn_cast<triton::nvidia_gpu::CLCTryCancelOp>(op)) {
+    return clcTryCancelOp.getResult();
+  }
   return Value();
 }