Index: mlir/lib/Conversion/LLVMCommon/TypeConverter.cpp
===================================================================
--- mlir/lib/Conversion/LLVMCommon/TypeConverter.cpp
+++ mlir/lib/Conversion/LLVMCommon/TypeConverter.cpp
@@ -464,7 +464,7 @@
   if (type.getShape().empty())
     return VectorType::get({1}, elementType);
   Type vectorType = VectorType::get(type.getShape().back(), elementType,
-                                    type.getNumScalableDims());
+                                    type.isScalable());
   assert(LLVM::isCompatibleVectorType(vectorType) &&
          "expected vector type compatible with the LLVM dialect");
   auto shape = type.getShape();
Index: mlir/test/Conversion/VectorToLLVM/vector-to-llvm.mlir
===================================================================
--- mlir/test/Conversion/VectorToLLVM/vector-to-llvm.mlir
+++ mlir/test/Conversion/VectorToLLVM/vector-to-llvm.mlir
@@ -112,6 +112,21 @@
 
 // -----
 
+func.func @broadcast_scalable_vec2d_from_scalar(%arg0: f32) -> vector<[2x3]xf32> {
+  %0 = vector.broadcast %arg0 : f32 to vector<[2x3]xf32>
+  return %0 : vector<[2x3]xf32>
+}
+// CHECK-LABEL: @broadcast_scalable_vec2d_from_scalar(
+// CHECK-SAME:  %[[A:.*]]: f32)
+// CHECK:       %[[T0:.*]] = llvm.insertelement %[[A]]
+// CHECK:       %[[T1:.*]] = llvm.shufflevector %[[T0]]
+// CHECK:       %[[T2:.*]] = llvm.insertvalue %[[T1]], %{{.*}}[0] : !llvm.array<2 x vector<[3]xf32>>
+// CHECK:       %[[T3:.*]] = llvm.insertvalue %[[T1]], %{{.*}}[1] : !llvm.array<2 x vector<[3]xf32>>
+// CHECK:       %[[T4:.*]] = builtin.unrealized_conversion_cast %[[T3]] : !llvm.array<2 x vector<[3]xf32>> to vector<[2x3]xf32>
+// CHECK:       return %[[T4]] : vector<[2x3]xf32>
+
+// -----
+
 func.func @broadcast_vec3d_from_scalar(%arg0: f32) -> vector<2x3x4xf32> {
   %0 = vector.broadcast %arg0 : f32 to vector<2x3x4xf32>
   return %0 : vector<2x3x4xf32>