From bf6f03d1546ee47cce1e9a92a7f168beb5dea068 Mon Sep 17 00:00:00 2001
From: makslevental <maksim.levental@gmail.com>
Date: Fri, 7 Nov 2025 20:19:18 -0800
Subject: [PATCH] [LLVM]  parameterize LLVM commit

---
 .github/workflows/build_llvm.yml | 16 +++++++++++++++-
 scripts/clean_gh_releases.py     | 12 +++++++++++-
 scripts/cmake/llvm_cache.cmake   |  2 +-
 3 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/build_llvm.yml b/.github/workflows/build_llvm.yml
index f1b52caf..80032603 100644
--- a/.github/workflows/build_llvm.yml
+++ b/.github/workflows/build_llvm.yml
@@ -18,6 +18,11 @@ on:
         description: 'Run the build with a tmate session ONLY in case of failure'
         required: false
         default: false
+      llvm_commit:
+        description: 'llvm commit to build'
+        type: string
+        required: false
+        default: ''
   pull_request:
     paths:
       - ".github/actions/setup_base"
@@ -133,12 +138,21 @@ jobs:
         run: |
           
           export LLVM_SOURCE_DIR="$PWD/third_party/llvm-project"
+
+          if [ x"${{ inputs.llvm_commit }}" != x"" ]; then
+            pushd $LLVM_SOURCE_DIR
+            git fetch --unshallow
+            git reset --hard "${{ inputs.llvm_commit }}"
+            popd
+          fi
+
           export LLVM_BUILD_DIR="$PWD/llvm-build"
           # double nested so that upload artifacts uploads a folder 
           export LLVM_INSTALL_DIR="$PWD/llvm-install/llvm-install"
           
           ccache -z
-          $python3_command -m pip install -r third_party/llvm-project/mlir/python/requirements.txt
+
+          $python3_command -m pip install PyYAML nanobind pybind11 numpy
           
           if [[ "${{ matrix.arch }}" == "wasm32-wasi" ]]; then
             scripts/build_llvm_wasi.sh
diff --git a/scripts/clean_gh_releases.py b/scripts/clean_gh_releases.py
index 9a496c82..70e430b0 100644
--- a/scripts/clean_gh_releases.py
+++ b/scripts/clean_gh_releases.py
@@ -1,4 +1,5 @@
 import os
+import re
 import time
 
 from github import Github
@@ -19,6 +20,13 @@
 #   -H "X-GitHub-Api-Version: 2022-11-28" \
 #   /repos/llvm/eudsl/releases
 
+skip = [
+    # last commit before typed-pointers in MLIR is removed
+    "35ca64989"
+]
+
+skip_re = re.compile("|".join(skip))
+
 n_deleted = 0
 for rel in [
     # llvm
@@ -26,7 +34,7 @@
     # eudsl
     253847293,
     # mlir-python-bindings
-    253847610
+    253847610,
 ]:
     for _ in range(100):
         n_deleted = 0
@@ -34,6 +42,8 @@
         release = repo.get_release(rel)
         assets = release.get_assets()
         for ass in assets:
+            if skip_re.search(ass.name):
+                continue
             if ass.created_at.date() < thirty_days_ago:
                 print(ass.name)
                 assert ass.delete_asset()
diff --git a/scripts/cmake/llvm_cache.cmake b/scripts/cmake/llvm_cache.cmake
index 7cce7756..0e2ed62b 100644
--- a/scripts/cmake/llvm_cache.cmake
+++ b/scripts/cmake/llvm_cache.cmake
@@ -108,7 +108,7 @@ set(LLVM_MlirDevelopment_DISTRIBUTION_COMPONENTS
     mlir-libraries
     mlir-linalg-ods-yaml-gen
     mlir-opt
-    mlir-python-sources
+    # mlir-python-sources
     mlir-reduce
     mlir-tblgen
     mlir-translate