[llvm] [SLP]Try detect strided loads, if any pointer op require extraction. (PR #101668)

[Simon Pilgrim via llvm-commits]

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@@ -1,213 +1,225 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
-; RUN: opt -S -mtriple riscv64-unknown-linux-gnu < %s --passes=slp-vectorizer -mattr=+v -slp-threshold=-20 | FileCheck %s
+; RUN: opt -S -mtriple riscv64-unknown-linux-gnu < %s --passes=slp-vectorizer -mattr=+v -slp-threshold=-15 | FileCheck %s
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RKSimon wrote:

Worth keeping the 20 threshold as well?

https://github.com/llvm/llvm-project/pull/101668