[llvm] [LoadStoreVectorizer] Propagate alignment through contiguous chain (PR #145733)

[Drew Kersnar via llvm-commits]

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@@ -0,0 +1,450 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -passes=load-store-vectorizer -S < %s | FileCheck %s
+
+; The IR has the first float3 labeled with align 16, and that 16 should
+; be propagated such that the second set of 4 values
+; can also be vectorized together.
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dakersnar wrote:

> This has the align 16 with opt -attributor-enable=module -O3. The default attribute passes do a worse job it seems

Sorry, can you clarify what "this" is? What test/command are you running?

https://github.com/llvm/llvm-project/pull/145733