From 751e554b7d7c25861f538178c79439257fe7a7b7 Mon Sep 17 00:00:00 2001
From: Wenju He <wenju.he@intel.com>
Date: Sat, 30 May 2026 05:49:31 +0200
Subject: [PATCH 1/7] Change Actions to use self-hosted runner rss-ubuntu-2404

---
 .github/workflows/codeql.yml                         |  2 +-
 .github/workflows/on-demand-verification.yml         |  2 +-
 .github/workflows/on-push-verification-in-tree.yml   | 12 +++++++++++-
 .../workflows/on-push-verification-out-of-tree.yml   |  2 +-
 .github/workflows/scheduled-verification.yml         |  4 ++--
 5 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index dcda35b50..96c959dde 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -17,7 +17,7 @@ jobs:
   analyze:
     name: Analyze
 
-    runs-on: ubuntu-24.04
+    runs-on: [self-hosted, rss-ubuntu-2404]
 
     permissions:
       # required for all workflows
diff --git a/.github/workflows/on-demand-verification.yml b/.github/workflows/on-demand-verification.yml
index bd3cbf59b..b024eba6a 100644
--- a/.github/workflows/on-demand-verification.yml
+++ b/.github/workflows/on-demand-verification.yml
@@ -36,7 +36,7 @@ on:
 jobs:
 
   verify_on_demand:
-    runs-on: ubuntu-24.04
+    runs-on: [self-hosted, rss-ubuntu-2404]
     steps:
 
       - name: Checkout opencl-clang sources for action files availabilty
diff --git a/.github/workflows/on-push-verification-in-tree.yml b/.github/workflows/on-push-verification-in-tree.yml
index fc4ee4142..4e34097bd 100644
--- a/.github/workflows/on-push-verification-in-tree.yml
+++ b/.github/workflows/on-push-verification-in-tree.yml
@@ -27,11 +27,21 @@ on:
 
 jobs:
 
+  check-cpu:
+    runs-on: [self-hosted, rss-ubuntu-2404]
+    steps:
+      - name: Print CPU Core and Thread Count
+        run: |
+          echo "=== Total Logical CPU Cores/Threads ==="
+          nproc
+          echo "=== CPU Hardware Details ==="
+          lscpu | egrep 'Model name|Socket|Thread|NUMA|CPU\(s\)'
+
   verify_default_branch:
     name: Linux
     # ref_name for 'on: push'
     # base_ref for 'on: pull_request'
-    runs-on: ubuntu-24.04
+    runs-on: [self-hosted, rss-ubuntu-2404]
     steps:
 
       - name: Checkout opencl-clang sources for action files
diff --git a/.github/workflows/on-push-verification-out-of-tree.yml b/.github/workflows/on-push-verification-out-of-tree.yml
index f334453ee..b466bbc6b 100644
--- a/.github/workflows/on-push-verification-out-of-tree.yml
+++ b/.github/workflows/on-push-verification-out-of-tree.yml
@@ -31,7 +31,7 @@ jobs:
     name: linux
     # ref_name for 'on: push'
     # base_ref for 'on: pull_request'
-    runs-on: ubuntu-24.04
+    runs-on: [self-hosted, rss-ubuntu-2404]
     steps:
 
       - name: Install llvm and its dependencies
diff --git a/.github/workflows/scheduled-verification.yml b/.github/workflows/scheduled-verification.yml
index ddb00fb00..ae97ebb1d 100644
--- a/.github/workflows/scheduled-verification.yml
+++ b/.github/workflows/scheduled-verification.yml
@@ -17,7 +17,7 @@ jobs:
 
   verify-default-branches:
     name: Verify `main` branch
-    runs-on: ubuntu-24.04
+    runs-on: [self-hosted, rss-ubuntu-2404]
     steps:
 
       - name: Checkout opencl-clang sources for action files availabilty
@@ -35,7 +35,7 @@ jobs:
     strategy:
       matrix:
         llvm_version: [ 14, 15, 16, 17, 18, 19, 20, 21, 22 ]
-    runs-on: ubuntu-24.04
+    runs-on: [self-hosted, rss-ubuntu-2404]
     steps:
 
       - name: Checkout opencl-clang sources for action files availabilty

From f974873ab1887a4e212e859958e40f6724f45910 Mon Sep 17 00:00:00 2001
From: Wenju He <wenju.he@intel.com>
Date: Sat, 30 May 2026 06:18:57 +0200
Subject: [PATCH 2/7] remove self-hosted

---
 .github/workflows/codeql.yml                           | 2 +-
 .github/workflows/on-demand-verification.yml           | 2 +-
 .github/workflows/on-push-verification-in-tree.yml     | 4 ++--
 .github/workflows/on-push-verification-out-of-tree.yml | 2 +-
 .github/workflows/scheduled-verification.yml           | 4 ++--
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 96c959dde..d3ea493cc 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -17,7 +17,7 @@ jobs:
   analyze:
     name: Analyze
 
-    runs-on: [self-hosted, rss-ubuntu-2404]
+    runs-on: rss-ubuntu-2404
 
     permissions:
       # required for all workflows
diff --git a/.github/workflows/on-demand-verification.yml b/.github/workflows/on-demand-verification.yml
index b024eba6a..227d8e0e8 100644
--- a/.github/workflows/on-demand-verification.yml
+++ b/.github/workflows/on-demand-verification.yml
@@ -36,7 +36,7 @@ on:
 jobs:
 
   verify_on_demand:
-    runs-on: [self-hosted, rss-ubuntu-2404]
+    runs-on: rss-ubuntu-2404
     steps:
 
       - name: Checkout opencl-clang sources for action files availabilty
diff --git a/.github/workflows/on-push-verification-in-tree.yml b/.github/workflows/on-push-verification-in-tree.yml
index 4e34097bd..05ae296ed 100644
--- a/.github/workflows/on-push-verification-in-tree.yml
+++ b/.github/workflows/on-push-verification-in-tree.yml
@@ -28,7 +28,7 @@ on:
 jobs:
 
   check-cpu:
-    runs-on: [self-hosted, rss-ubuntu-2404]
+    runs-on: rss-ubuntu-2404
     steps:
       - name: Print CPU Core and Thread Count
         run: |
@@ -41,7 +41,7 @@ jobs:
     name: Linux
     # ref_name for 'on: push'
     # base_ref for 'on: pull_request'
-    runs-on: [self-hosted, rss-ubuntu-2404]
+    runs-on: rss-ubuntu-2404
     steps:
 
       - name: Checkout opencl-clang sources for action files
diff --git a/.github/workflows/on-push-verification-out-of-tree.yml b/.github/workflows/on-push-verification-out-of-tree.yml
index b466bbc6b..c5f1375b4 100644
--- a/.github/workflows/on-push-verification-out-of-tree.yml
+++ b/.github/workflows/on-push-verification-out-of-tree.yml
@@ -31,7 +31,7 @@ jobs:
     name: linux
     # ref_name for 'on: push'
     # base_ref for 'on: pull_request'
-    runs-on: [self-hosted, rss-ubuntu-2404]
+    runs-on: rss-ubuntu-2404
     steps:
 
       - name: Install llvm and its dependencies
diff --git a/.github/workflows/scheduled-verification.yml b/.github/workflows/scheduled-verification.yml
index ae97ebb1d..a94bea4d1 100644
--- a/.github/workflows/scheduled-verification.yml
+++ b/.github/workflows/scheduled-verification.yml
@@ -17,7 +17,7 @@ jobs:
 
   verify-default-branches:
     name: Verify `main` branch
-    runs-on: [self-hosted, rss-ubuntu-2404]
+    runs-on: rss-ubuntu-2404
     steps:
 
       - name: Checkout opencl-clang sources for action files availabilty
@@ -35,7 +35,7 @@ jobs:
     strategy:
       matrix:
         llvm_version: [ 14, 15, 16, 17, 18, 19, 20, 21, 22 ]
-    runs-on: [self-hosted, rss-ubuntu-2404]
+    runs-on: rss-ubuntu-2404
     steps:
 
       - name: Checkout opencl-clang sources for action files availabilty

From 33ddef4228e36e47464320a7b0cf626957a23412 Mon Sep 17 00:00:00 2001
From: Wenju He <wenju.he@intel.com>
Date: Sat, 30 May 2026 06:37:02 +0200
Subject: [PATCH 3/7] install cmake build-essential ninja-build

---
 .github/actions/build-opencl-clang/action.yml      |  8 ++++++--
 .github/workflows/on-push-verification-in-tree.yml | 10 ----------
 2 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/.github/actions/build-opencl-clang/action.yml b/.github/actions/build-opencl-clang/action.yml
index 1a855bd7c..bd279fa60 100644
--- a/.github/actions/build-opencl-clang/action.yml
+++ b/.github/actions/build-opencl-clang/action.yml
@@ -28,6 +28,10 @@ runs:
         git config --global user.name "Action Bot"
       shell: bash
 
+    - name: Install dependencies
+      shell: bash
+      run: sudo apt-get update -y && sudo apt-get install -y cmake build-essential ninja-build
+
     - name: Checkout LLVM
       uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
       with:
@@ -59,10 +63,10 @@ runs:
           -DLLVM_EXTERNAL_OPENCL_CLANG_SOURCE_DIR=${{ github.workspace }}/llvm-project/opencl-clang        \
           -DCMAKE_BUILD_TYPE=${{ inputs.build_type }}  \
           -DLLVM_TARGETS_TO_BUILD="X86" \
-          -G "Unix Makefiles"
+          -G Ninja
 
     - name: Build
       shell: bash
       run: |
         cd build
-        make opencl-clang -j8
+        ninja opencl-clang
diff --git a/.github/workflows/on-push-verification-in-tree.yml b/.github/workflows/on-push-verification-in-tree.yml
index 05ae296ed..b3f53ebce 100644
--- a/.github/workflows/on-push-verification-in-tree.yml
+++ b/.github/workflows/on-push-verification-in-tree.yml
@@ -27,16 +27,6 @@ on:
 
 jobs:
 
-  check-cpu:
-    runs-on: rss-ubuntu-2404
-    steps:
-      - name: Print CPU Core and Thread Count
-        run: |
-          echo "=== Total Logical CPU Cores/Threads ==="
-          nproc
-          echo "=== CPU Hardware Details ==="
-          lscpu | egrep 'Model name|Socket|Thread|NUMA|CPU\(s\)'
-
   verify_default_branch:
     name: Linux
     # ref_name for 'on: push'

From baaef9dfc8c7d85b182c6492303cda2196c89918 Mon Sep 17 00:00:00 2001
From: Wenju He <wenju.he@intel.com>
Date: Sat, 30 May 2026 06:41:06 +0200
Subject: [PATCH 4/7] install curl

---
 .github/workflows/codeql.yml                           | 5 ++++-
 .github/workflows/on-push-verification-out-of-tree.yml | 5 ++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index d3ea493cc..b4fb2e28b 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -35,9 +35,12 @@ jobs:
 
     steps:
 
+      - name: Install build dependencies
+        run: sudo apt-get update -y && sudo apt-get install -y cmake build-essential ninja-build curl
+
       - name: Install llvm and its dependencies
         run: |
-          wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | gpg --dearmor | sudo tee /etc/apt/keyrings/llvm.gpg > /dev/null
+          curl -fsSL https://apt.llvm.org/llvm-snapshot.gpg.key | gpg --dearmor | sudo tee /etc/apt/keyrings/llvm.gpg > /dev/null
           echo "deb [signed-by=/etc/apt/keyrings/llvm.gpg] https://apt.llvm.org/noble/ llvm-toolchain-noble main" | sudo tee /etc/apt/sources.list.d/llvm.list
           sudo apt-get update
           sudo apt-get -yq --no-install-suggests --no-install-recommends install \
diff --git a/.github/workflows/on-push-verification-out-of-tree.yml b/.github/workflows/on-push-verification-out-of-tree.yml
index c5f1375b4..3f9c97ca0 100644
--- a/.github/workflows/on-push-verification-out-of-tree.yml
+++ b/.github/workflows/on-push-verification-out-of-tree.yml
@@ -34,9 +34,12 @@ jobs:
     runs-on: rss-ubuntu-2404
     steps:
 
+      - name: Install build dependencies
+        run: sudo apt-get update -y && sudo apt-get install -y cmake build-essential ninja-build curl
+
       - name: Install llvm and its dependencies
         run: |
-          wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | gpg --dearmor | sudo tee /etc/apt/keyrings/llvm.gpg > /dev/null
+          curl -fsSL https://apt.llvm.org/llvm-snapshot.gpg.key | gpg --dearmor | sudo tee /etc/apt/keyrings/llvm.gpg > /dev/null
           echo "deb [signed-by=/etc/apt/keyrings/llvm.gpg] https://apt.llvm.org/noble/ llvm-toolchain-noble main" | sudo tee /etc/apt/sources.list.d/llvm.list
           sudo apt-get update
           sudo apt-get -yq --no-install-suggests --no-install-recommends install \

From 8e6fb046b5ef21d6a35d39238a80357417340de8 Mon Sep 17 00:00:00 2001
From: Wenju He <wenju.he@intel.com>
Date: Sat, 30 May 2026 06:47:20 +0200
Subject: [PATCH 5/7] use ninja for out-of-tree build

---
 .github/workflows/codeql.yml                         | 12 +++++++-----
 .../workflows/on-push-verification-out-of-tree.yml   | 12 +++++++-----
 2 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index b4fb2e28b..06eb81610 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -77,9 +77,10 @@ jobs:
             ${{ github.workspace }}/SPIRV-LLVM-Translator \
             -DLLVM_INCLUDE_TESTS=OFF \
             -DCMAKE_INSTALL_PREFIX="$builddir"/install \
-            -DCMAKE_BUILD_TYPE=Release
-          cmake --build "$builddir" -j $(nproc)
-          cmake --install "$builddir"
+            -DCMAKE_BUILD_TYPE=Release \
+            -GNinja
+          ninja -C "$builddir"
+          ninja -C "$builddir" install
           echo "spirv_translator_install_dir=${builddir}/install" >> $GITHUB_ENV
 
       - name: Initialize CodeQL
@@ -95,8 +96,9 @@ jobs:
             -DPREFERRED_LLVM_VERSION="${{ env.LLVM_VERSION }}.${{ env.LLVM_VERSION_MINOR }}" \
             -DLLVMSPIRV_INCLUDED_IN_LLVM=OFF \
             -DSPIRV_TRANSLATOR_DIR=${{ env.spirv_translator_install_dir }} \
-            -DCMAKE_BUILD_TYPE=Release
-          cmake --build . -j $(nproc)
+            -DCMAKE_BUILD_TYPE=Release \
+            -GNinja
+          ninja -C build
 
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@c10b8064de6f491fea524254123dbe5e09572f13 # v4.35.1
diff --git a/.github/workflows/on-push-verification-out-of-tree.yml b/.github/workflows/on-push-verification-out-of-tree.yml
index 3f9c97ca0..4ce7dd6cc 100644
--- a/.github/workflows/on-push-verification-out-of-tree.yml
+++ b/.github/workflows/on-push-verification-out-of-tree.yml
@@ -71,9 +71,10 @@ jobs:
             ${{ github.workspace }}/SPIRV-LLVM-Translator \
             -DLLVM_INCLUDE_TESTS=OFF \
             -DCMAKE_INSTALL_PREFIX="$builddir"/install \
-            -DCMAKE_BUILD_TYPE=Release
-          cmake --build "$builddir" -j $(nproc)
-          cmake --install "$builddir"
+            -DCMAKE_BUILD_TYPE=Release \
+            -GNinja
+          ninja -C "$builddir"
+          ninja -C "$builddir" install
           echo "spirv_translator_install_dir=${builddir}/install" >> $GITHUB_ENV
 
       - name: Checkout opencl-clang sources
@@ -89,5 +90,6 @@ jobs:
             -DPREFERRED_LLVM_VERSION="${{ env.LLVM_VERSION }}.${{ env.LLVM_VERSION_MINOR }}" \
             -DLLVMSPIRV_INCLUDED_IN_LLVM=OFF \
             -DSPIRV_TRANSLATOR_DIR=${{ env.spirv_translator_install_dir }} \
-            -DCMAKE_BUILD_TYPE=Release
-          cmake --build . -j $(nproc)
+            -DCMAKE_BUILD_TYPE=Release \
+            -GNinja
+          ninja -C build

From f3776e65089465ac977c8dd9e2051383b42373c9 Mon Sep 17 00:00:00 2001
From: Wenju He <wenju.he@intel.com>
Date: Sat, 30 May 2026 06:57:50 +0200
Subject: [PATCH 6/7] -j224

---
 .github/actions/build-opencl-clang/action.yml          | 2 +-
 .github/workflows/codeql.yml                           | 4 ++--
 .github/workflows/on-push-verification-out-of-tree.yml | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/actions/build-opencl-clang/action.yml b/.github/actions/build-opencl-clang/action.yml
index bd279fa60..6fe727812 100644
--- a/.github/actions/build-opencl-clang/action.yml
+++ b/.github/actions/build-opencl-clang/action.yml
@@ -69,4 +69,4 @@ runs:
       shell: bash
       run: |
         cd build
-        ninja opencl-clang
+        ninja opencl-clang -j$(nproc)
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 06eb81610..fbc0f5fa5 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -79,7 +79,7 @@ jobs:
             -DCMAKE_INSTALL_PREFIX="$builddir"/install \
             -DCMAKE_BUILD_TYPE=Release \
             -GNinja
-          ninja -C "$builddir"
+          ninja -C "$builddir" -j$(nproc)
           ninja -C "$builddir" install
           echo "spirv_translator_install_dir=${builddir}/install" >> $GITHUB_ENV
 
@@ -98,7 +98,7 @@ jobs:
             -DSPIRV_TRANSLATOR_DIR=${{ env.spirv_translator_install_dir }} \
             -DCMAKE_BUILD_TYPE=Release \
             -GNinja
-          ninja -C build
+          ninja -C build -j$(nproc)
 
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@c10b8064de6f491fea524254123dbe5e09572f13 # v4.35.1
diff --git a/.github/workflows/on-push-verification-out-of-tree.yml b/.github/workflows/on-push-verification-out-of-tree.yml
index 4ce7dd6cc..0627badc1 100644
--- a/.github/workflows/on-push-verification-out-of-tree.yml
+++ b/.github/workflows/on-push-verification-out-of-tree.yml
@@ -73,7 +73,7 @@ jobs:
             -DCMAKE_INSTALL_PREFIX="$builddir"/install \
             -DCMAKE_BUILD_TYPE=Release \
             -GNinja
-          ninja -C "$builddir"
+          ninja -C "$builddir" -j$(nproc)
           ninja -C "$builddir" install
           echo "spirv_translator_install_dir=${builddir}/install" >> $GITHUB_ENV
 
@@ -92,4 +92,4 @@ jobs:
             -DSPIRV_TRANSLATOR_DIR=${{ env.spirv_translator_install_dir }} \
             -DCMAKE_BUILD_TYPE=Release \
             -GNinja
-          ninja -C build
+          ninja -C build -j$(nproc)

From 1f11d897827f3878e63a0845531a97add0d67528 Mon Sep 17 00:00:00 2001
From: Wenju He <wenju.he@intel.com>
Date: Sat, 30 May 2026 07:35:39 +0200
Subject: [PATCH 7/7] builddir

---
 .github/actions/build-opencl-clang/action.yml          | 9 +++++----
 .github/workflows/codeql.yml                           | 7 ++++---
 .github/workflows/on-push-verification-out-of-tree.yml | 7 ++++---
 3 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/.github/actions/build-opencl-clang/action.yml b/.github/actions/build-opencl-clang/action.yml
index 6fe727812..2594c090e 100644
--- a/.github/actions/build-opencl-clang/action.yml
+++ b/.github/actions/build-opencl-clang/action.yml
@@ -55,8 +55,9 @@ runs:
     - name: Configure
       shell: bash
       run: |
-        mkdir build && cd build
-        cmake ${{ github.workspace }}/llvm-project/llvm      \
+        builddir=${{ github.workspace }}/build
+        cmake -B "$builddir" \
+          ${{ github.workspace }}/llvm-project/llvm      \
           -DLLVM_ENABLE_PROJECTS="clang"                     \
           -DLLVM_EXTERNAL_PROJECTS="llvm-spirv;opencl-clang" \
           -DLLVM_EXTERNAL_LLVM_SPIRV_SOURCE_DIR=${{ github.workspace }}/llvm-project/SPIRV-LLVM-Translator \
@@ -68,5 +69,5 @@ runs:
     - name: Build
       shell: bash
       run: |
-        cd build
-        ninja opencl-clang -j$(nproc)
+        builddir=${{ github.workspace }}/build
+        ninja -C "$builddir" opencl-clang -j$(nproc)
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index fbc0f5fa5..f50ac6738 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -91,14 +91,15 @@ jobs:
 
       - name: Build opencl-clang
         run: |
-          mkdir build && cd build
-          cmake ${{ github.workspace }} \
+          builddir=${{ github.workspace }}/build
+          cmake -B "$builddir" \
+            ${{ github.workspace }} \
             -DPREFERRED_LLVM_VERSION="${{ env.LLVM_VERSION }}.${{ env.LLVM_VERSION_MINOR }}" \
             -DLLVMSPIRV_INCLUDED_IN_LLVM=OFF \
             -DSPIRV_TRANSLATOR_DIR=${{ env.spirv_translator_install_dir }} \
             -DCMAKE_BUILD_TYPE=Release \
             -GNinja
-          ninja -C build -j$(nproc)
+          ninja -C "$builddir" -j$(nproc)
 
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@c10b8064de6f491fea524254123dbe5e09572f13 # v4.35.1
diff --git a/.github/workflows/on-push-verification-out-of-tree.yml b/.github/workflows/on-push-verification-out-of-tree.yml
index 0627badc1..3ee7bf755 100644
--- a/.github/workflows/on-push-verification-out-of-tree.yml
+++ b/.github/workflows/on-push-verification-out-of-tree.yml
@@ -85,11 +85,12 @@ jobs:
 
       - name: Build opencl-clang
         run: |
-          mkdir build && cd build
-          cmake ${{ github.workspace }}/opencl-clang \
+          builddir=${{ github.workspace }}/build
+          cmake  -B "$builddir" \
+            ${{ github.workspace }}/opencl-clang \
             -DPREFERRED_LLVM_VERSION="${{ env.LLVM_VERSION }}.${{ env.LLVM_VERSION_MINOR }}" \
             -DLLVMSPIRV_INCLUDED_IN_LLVM=OFF \
             -DSPIRV_TRANSLATOR_DIR=${{ env.spirv_translator_install_dir }} \
             -DCMAKE_BUILD_TYPE=Release \
             -GNinja
-          ninja -C build -j$(nproc)
+          ninja -C "$builddir" -j$(nproc)