[mlir][ArmSVE] Fix test-setArmVLBits.mlir after #83213

Author: MacDue

mlir/test/Integration/Dialect/Vector/CPU/ArmSVE/Emulated/test-setArmVLBits.mlir

@@ -8,7 +8,7 @@
 
 func.func @checkVScale() {
   %vscale = vector.vscale
-  vector.print str "vscale"
+  vector.print str "vscale = "
   vector.print %vscale : index
   return
 }
@@ -20,28 +20,23 @@ func.func @setAndCheckVL(%bits: i32) {
 }
 
 func.func @main() {
-  //      CHECK: vscale
-  // CHECK-NEXT: 1
+  //      CHECK: vscale = 1
   %c128 = arith.constant 128 : i32
   func.call @setAndCheckVL(%c128) : (i32) -> ()
 
-  //      CHECK: vscale
-  // CHECK-NEXT: 2
+  //      CHECK: vscale = 2
   %c256 = arith.constant 256 : i32
   func.call @setAndCheckVL(%c256) : (i32) -> ()
 
-  //      CHECK: vscale
-  // CHECK-NEXT: 4
+  //      CHECK: vscale = 4
   %c512 = arith.constant 512 : i32
   func.call @setAndCheckVL(%c512) : (i32) -> ()
 
-  //      CHECK: vscale
-  // CHECK-NEXT: 8
+  //      CHECK: vscale = 8
   %c1024 = arith.constant 1024 : i32
   func.call @setAndCheckVL(%c1024) : (i32) -> ()
 
-  //      CHECK: vscale
-  // CHECK-NEXT: 16
+  //      CHECK: vscale = 16
   %c2048 = arith.constant 2048 : i32
   func.call @setAndCheckVL(%c2048) : (i32) -> ()