[llvm] [WebAssembly] getMemoryOpCost and getCastInstrCost (PR #122896)

[Petr Penzin via llvm-commits]

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+; RUN: opt -mattr=+simd128 -passes=loop-vectorize %s | llc -mtriple=wasm32 -mattr=+simd128 -verify-machineinstrs -o - | FileCheck %s
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ppenzin wrote:

Why is combining vectorizer with codegen necessary to test this patch? This test would depend on scheduling while the patch in only changing TTI.

https://github.com/llvm/llvm-project/pull/122896