[llvm] [AMDGPU] Add DS loop waitcnt optimization for GFX12+ (PR #172728)

[via llvm-commits]

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@@ -0,0 +1,211 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1250 -run-pass=si-insert-waitcnts -o - %s | FileCheck %s
+
+---
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hidekisaito wrote:

LLVM IR to ASM test added

https://github.com/llvm/llvm-project/pull/172728