[llvm] [SelectionDAG] Pre-commit tests for dagcombine improvements (PR #201270)

[Simon Pilgrim via llvm-commits]

================
@@ -0,0 +1,51 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+avx512bw < %s | FileCheck %s
+
+define void @extract_insert_interleaved_store(ptr %in.vecptr0, ptr %in.vecptr1, ptr %in.vecptr2, ptr %in.vecptr3, ptr %in.vecptr4, ptr %in.vecptr5, ptr %out.vec) {
----------------
RKSimon wrote:

is there a purpose to it given so many similar test changes in the other interleaved tests - I'd probably say drop this one.

https://github.com/llvm/llvm-project/pull/201270