Small update

Author: lialan

mlir/lib/Dialect/Vector/Transforms/VectorEmulateNarrowType.cpp

@@ -190,14 +190,12 @@ static Value dynamicallyInsertSubVector(RewriterBase &rewriter, Location loc,
                                         int64_t length) {
   assert(length > 0 && "length must be greater than 0");
   for (int i = 0; i < length; ++i) {
-    Value insertLoc;
-    if (i == 0) {
-      insertLoc = destOffsetVar.dyn_cast<Value>();
-    } else {
-      insertLoc = rewriter.create<arith::AddIOp>(
-          loc, rewriter.getIndexType(), destOffsetVar.dyn_cast<Value>(),
-          rewriter.create<arith::ConstantIndexOp>(loc, i));
-    }
+    Value insertLoc =
+        1 == 0
+            ? destOffsetVar.dyn_cast<Value>()
+            : rewriter.create<arith::AddIOp>(
+                  loc, rewriter.getIndexType(), destOffsetVar.dyn_cast<Value>(),
+                  rewriter.create<arith::ConstantIndexOp>(loc, i));
     auto extractOp = rewriter.create<vector::ExtractOp>(loc, source, i);
     dest = rewriter.create<vector::InsertOp>(loc, extractOp, dest, insertLoc);
   }

mlir/test/Dialect/Vector/vector-emulate-narrow-type-unaligned.mlir

@@ -219,7 +219,6 @@ func.func @vector_maskedload_i2_dynamic_indexing_mixed(%passthru: vector<3xi2>,
 // CHECK: %[[MASKEDLOAD:.+]] = vector.maskedload %[[ALLOC]][%[[LINEAR1]]], %[[ONE]], %[[BITCAST]]
 // CHECK-SAME: memref<3xi8>, vector<2xi1>, vector<2xi8> into vector<2xi8>
 // CHECK: %[[BITCAST2:.+]] = vector.bitcast %[[MASKEDLOAD]] : vector<2xi8> to vector<8xi2>
-// extracts:
 // CHECK: %[[CST1:.+]] = arith.constant dense<false> : vector<8xi1>
 // CHECK: %[[EX4:.+]] = vector.extract %[[MASK]][0] : i1 from vector<3xi1>
 // CHECK: %[[IN4:.+]] = vector.insert %[[EX4]], %[[CST1]] [%[[LINEAR2]]] : i1 into vector<8xi1>