Fix intermittently failing lit test (#2676)

Signed-off-by: Tiotto, Ettore <[email protected]>

Author: etiotto

test/Analysis/test-liveness.mlir

@@ -19,11 +19,11 @@ module attributes {"triton_gpu.num-warps" = 8 : i32} {
 
     // CHECK: scf.if
     // CHECK-NEXT: LiveIntervals for block: ^bb0
-    // CHECK-NEXT:  [[[LOAD1:%.*]], [[LOAD1]]] for value: %arg0
-    // CHECK-NEXT:  [[[LOAD1]], scf.yield] for value: [[LOAD1]]
-    // CHECK-NEXT: LiveIntervals for block: ^bb0
-    // CHECK-NEXT:  [[[LOAD2:%.*]], [[LOAD2]]] for value: %arg1
-    // CHECK-NEXT:  [[[LOAD2]], scf.yield] for value: [[LOAD2]]
+    // CHECK-DAG:  [[[LOAD1:%.*]], [[LOAD1]]] for value: %arg0
+    // CHECK-DAG:  [[[LOAD1]], scf.yield] for value: [[LOAD1]]
+    // CHECK-DAG: LiveIntervals for block: ^bb0
+    // CHECK-DAG:  [[[LOAD2:%.*]], [[LOAD2]]] for value: %arg1
+    // CHECK-DAG:  [[[LOAD2]], scf.yield] for value: [[LOAD2]]
 
     %c1024_i32 = arith.constant 1024 : i32
     %c64_i32 = arith.constant 64 : i32