[llvm] [LoopVectorize] Add cost of generating tail-folding mask to the loop (PR #130565)

[Mel Chen via llvm-commits]

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@@ -32,35 +32,35 @@ define void @lshift_significand(i32 %n, ptr nocapture writeonly %dst) {
 ; CHECK:       [[VECTOR_BODY]]:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[EVL_BASED_IV:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_EVL_NEXT:%.*]], %[[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP10:%.*]] = sub i64 [[TMP0]], [[EVL_BASED_IV]]
-; CHECK-NEXT:    [[TMP11:%.*]] = call i32 @llvm.experimental.get.vector.length.i64(i64 [[TMP10]], i32 2, i1 true)
+; CHECK-NEXT:    [[AVL:%.*]] = sub i64 [[TMP0]], [[EVL_BASED_IV]]
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Mel-Chen wrote:

It looks like there are no changes except for variable names in vectorize-force-tail-with-evl-uniform-store.ll. Would it be possible to update only the metadata without modifying the IR?

https://github.com/llvm/llvm-project/pull/130565