[llvm] [AMDGPU] Introduce address sanitizer instrumentation for LDS lowered by amdgpu-sw-lower-lds pass (PR #89208)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,231 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --version 5
+; RUN: opt < %s -passes=asan -S -mtriple=amdgcn-amd-amdhsa | FileCheck %s
+
+%llvm.amdgcn.sw.lds.k0.md.type = type { %llvm.amdgcn.sw.lds.k0.md.item, %llvm.amdgcn.sw.lds.k0.md.item }
+%llvm.amdgcn.sw.lds.k0.md.item = type { i32, i32, i32 }
+
+ at llvm.amdgcn.sw.lds.k0 = internal addrspace(3) global ptr poison, no_sanitize_address, align 1, !absolute_symbol !0
+ at llvm.amdgcn.k0.dynlds = external addrspace(3) global [0 x i8], no_sanitize_address, align 1, !absolute_symbol !1
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arsenm wrote:

Based on the test name, the case without no_sanitize_address is more interesting? Skipping this would be a separate test? 

https://github.com/llvm/llvm-project/pull/89208