[llvm] [SLP]Remove emission of vector_insert/vector_extract instrinsics (PR #148007)

[Craig Topper via llvm-commits]

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@@ -420,27 +420,26 @@ define i32 @reduce_blockstrided4x4(ptr nocapture noundef readonly %p1, i32 nound
 ; CHECK-NEXT:    [[ARRAYIDX5:%.*]] = getelementptr inbounds i8, ptr [[P2:%.*]], i64 4
 ; CHECK-NEXT:    [[ADD_PTR:%.*]] = getelementptr inbounds i8, ptr [[P1]], i64 [[IDX_EXT]]
 ; CHECK-NEXT:    [[ADD_PTR64:%.*]] = getelementptr inbounds i8, ptr [[P2]], i64 [[IDX_EXT63]]
-; TODO: Dead code must be removed below.
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topperc wrote:

Is this TODO still valid? I assume the script deleted it.

https://github.com/llvm/llvm-project/pull/148007