[llvm] [NFC][AMDGPU] Add SLP to asm tests for int to fp casts (PR #227344)

[Dmitry Sidorov via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: opt -mtriple=amdgpu9.00-amd-amdhsa -passes=slp-vectorizer < %s | llc -mtriple=amdgpu9.00-amd-amdhsa | FileCheck -check-prefix=GFX900 %s
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MrSidims wrote:

No, SLP only runs in the middle-end.

https://github.com/llvm/llvm-project/pull/227344