[llvm] [AMDGPU] Support FLAT_SCRATCH in SILoadStoreOptimizer const offset promotion (PR #212507)

[Valery Pykhtin via llvm-commits]

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@@ -1,5 +1,5 @@
-# RUN: llc -mtriple=amdgpu9.00 -verify-machineinstrs -run-pass si-load-store-opt -o - %s | FileCheck -check-prefixes=GCN,GFX9 %s
-# RUN: llc -mtriple=amdgpu8.03 -verify-machineinstrs -run-pass si-load-store-opt -o - %s | FileCheck -check-prefixes=GCN,GFX8 %s
+# RUN: llc -mtriple=amdgpu9.00 -mattr=+enable-flat-scratch -verify-machineinstrs -run-pass si-load-store-opt -o - %s | FileCheck -check-prefixes=GCN,GFX9 %s
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vpykhtin wrote:

Looks like can be added with precommit?

https://github.com/llvm/llvm-project/pull/212507