From c6c55db75748d3605ebf412314cbece92a00a489 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Pietil=C3=A4?=
 <188998872+vpietila-amd@users.noreply.github.com>
Date: Wed, 10 Jun 2026 09:12:03 +0000
Subject: [PATCH] [rocm-libraries] ROCm/rocm-libraries#8019 (commit 6472935)

[CK TILE] Fix performance regression caused by Dispatcher
 codegen compiler flag. (#8019)
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## Motivation

Currently CK Tile two codegen paths: CK Builder and CK Tile Dispatcher.
The CK Tile Dispatcher codegen uses an additional compiler flag that is
not present in the CK Builder codegen workflow. The additional compiler
flag can cause performance regression for so instances as it disables
relevant compiler optimizations.

## Technical Details

Removed compiler flag `-mllvm -enable-noalias-to-md-conversion=0` from
the CMakeLists.txt that creates instance library from Dispatcher
codegen.

## Test Plan

Required testing is contained in the CI/CD pipeline.

## Submission Checklist

- [x] Look over the contributing guidelines at
https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.
---
 dispatcher/library/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dispatcher/library/CMakeLists.txt b/dispatcher/library/CMakeLists.txt
index a0e07fd3ed..79adbade8a 100644
--- a/dispatcher/library/CMakeLists.txt
+++ b/dispatcher/library/CMakeLists.txt
@@ -115,7 +115,7 @@ function(ck_add_dispatcher_conv_instances VARIANT)
   )
   target_compile_options(${TARGET_NAME} PRIVATE
     -DCK_TILE_FLOAT_TO_BFLOAT16_DEFAULT=0
-    -mllvm -enable-noalias-to-md-conversion=0
+    -DCK_TILE_EXPERIMENTAL_USE_BUFFER_LOAD_OOB_CHECK_OFFSET_TRICK=1
     -Wno-undefined-func-template
     -Wno-float-equal
     -Wno-header-hygiene