diff --git a/.github/workflows/win_clang_dbg_x86.yaml b/.github/workflows/win_clang_dbg_x86.yaml
new file mode 100644
index 000000000..7659f3a96
--- /dev/null
+++ b/.github/workflows/win_clang_dbg_x86.yaml
@@ -0,0 +1,175 @@
+name: Windows x86 GN/Clang (Debug)
+
+on:
+  # This is a required workflow specified in branch enforcement
+  # and must run unconditionally to allow merges.
+  push:
+  pull_request:
+
+jobs:
+
+  win_clang_rel_x86:
+
+    runs-on: windows-2019
+
+    steps:
+    - name: Git config
+      run: |
+        git config --global core.autocrlf false
+        git config --global core.eol lf
+
+    - name: Install depot_tools
+      shell: cmd
+      run: |
+        git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git ..\depot_tools
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        gclient
+
+    - name: Set up Python 3.x
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+
+    - uses: actions/checkout@v2
+      with:
+        ref: main
+        path: base
+        fetch-depth: 0
+
+    - name: Sync code for main branch
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd base
+        copy scripts\standalone.gclient .gclient
+        gclient sync
+
+    - name: Generate project for main branch
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd base
+        gn gen out\Debug --args="target_cpu=\"x86\" is_debug=false gpgmm_disable_size_cache=true"
+
+    - name: Build for main branch
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd base
+        ninja -C out\Debug
+
+    - name: Run gpgmm_end2end_tests leak tests
+      shell: cmd
+      run: |
+        cd base
+        out\Debug\gpgmm_end2end_tests.exe --gtest_filter=*NoLeak
+
+    - name: Run gpgmm_end2end_tests
+      shell: cmd
+      run: |
+        cd base
+        out\Debug\gpgmm_end2end_tests.exe --gtest_filter=-*NoLeak --gtest_output=json:${{ github.workspace }}\..\baseline_end2end_tests.json
+
+    - name: Run gpgmm_unittests
+      shell: cmd
+      run: |
+        cd base
+        out\Debug\gpgmm_unittests.exe --gtest_output=json:${{ github.workspace }}\..\baseline_unittests.json
+
+    # - name: Run gpgmm_capture_replay_tests
+    #   shell: cmd
+    #   run: |
+    #     cd base
+    #     out\Debug\gpgmm_capture_replay_tests.exe --gtest_output=json:${{ github.workspace }}\..\baseline_capture_replay_tests.json
+
+    - uses: actions/checkout@v2
+      with:
+        path: test
+        fetch-depth: 0
+
+    - name: Sync code for main branch (with patch)
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd test
+        copy scripts\standalone.gclient .gclient
+        gclient sync
+
+    - name: Generate shared library for main branch (with patch)
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd test
+        gn gen out\Debug --args="target_cpu=\"x86\" is_debug=false gpgmm_shared_library=true"
+
+    - name: Build shared library for main branch (with patch)
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd test
+        ninja -C out\Debug gpgmm
+
+    - name: Generate project for main branch (with patch)
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd test
+        gn gen out\Debug --args="target_cpu=\"x86\" is_debug=false gpgmm_disable_size_cache=true"
+
+    - name: Build for main branch (with patch)
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd test
+        ninja -C out\Debug
+
+    - name: Run gpgmm_end2end_tests (with patch)
+      shell: cmd
+      run: |
+        cd test
+        out\Debug\gpgmm_end2end_tests.exe --gtest_filter=-*NoLeak --gtest_output=json:${{ github.workspace }}\..\test_end2end_tests.json
+
+    - name: Run gpgmm_unittests (with patch)
+      shell: cmd
+      run: |
+        cd test
+        out\Debug\gpgmm_unittests.exe --gtest_output=json:${{ github.workspace }}\..\test_unittests.json
+
+    # - name: Run gpgmm_capture_replay_tests (with patch)
+    #   shell: cmd
+    #   run: |
+    #     cd test
+    #     out\Debug\gpgmm_capture_replay_tests.exe --log-level=DEBUG --gtest_output=json:${{ github.workspace }}\..\test_capture_replay_tests.json
+
+    - name: Run gpgmm_capture_replay_tests to generate capture (with patch)
+      shell: cmd
+      run: |
+        cd test
+        out\Debug\gpgmm_capture_replay_tests.exe --log-level=DEBUG --gtest_filter=*Replay/* --event-mask=0x3 --ignore-caps-mismatch --disable-memory-playback
+
+    - name: Run gpgmm_capture_replay_tests to playback capture (with patch)
+      shell: cmd
+      run: |
+        cd test
+        out\Debug\gpgmm_capture_replay_tests.exe --gtest_filter=*Replay/*
+
+    - name: Regression check end2end tests
+      run: |
+        python test\scripts\regression_check.py ${{ github.workspace }}\..\baseline_end2end_tests.json ${{ github.workspace }}\..\test_end2end_tests.json
+
+    - name: Regression check unittests
+      run: |
+        python test\scripts\regression_check.py ${{ github.workspace }}\..\baseline_unittests.json ${{ github.workspace }}\..\test_unittests.json
+
+    # - name: Regression check capture replay tests
+    #   run: |
+    #     python test\scripts\regression_check.py ${{ github.workspace }}\..\baseline_capture_replay_tests.json ${{ github.workspace }}\..\test_capture_replay_tests.json
+
diff --git a/.github/workflows/win_clang_rel_x86.yaml b/.github/workflows/win_clang_rel_x86.yaml
new file mode 100644
index 000000000..86073502c
--- /dev/null
+++ b/.github/workflows/win_clang_rel_x86.yaml
@@ -0,0 +1,174 @@
+name: Windows x86 GN/Clang (Release)
+
+on:
+  # This is a required workflow specified in branch enforcement
+  # and must run unconditionally to allow merges.
+  push:
+  pull_request:
+
+jobs:
+
+  win_clang_rel_x86:
+
+    runs-on: windows-2019
+
+    steps:
+    - name: Git config
+      run: |
+        git config --global core.autocrlf false
+        git config --global core.eol lf
+
+    - name: Install depot_tools
+      shell: cmd
+      run: |
+        git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git ..\depot_tools
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        gclient
+
+    - name: Set up Python 3.x
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+
+    - uses: actions/checkout@v2
+      with:
+        ref: main
+        path: base
+        fetch-depth: 0
+
+    - name: Sync code for main branch
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd base
+        copy scripts\standalone.gclient .gclient
+        gclient sync
+
+    - name: Generate project for main branch
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd base
+        gn gen out\Release --args="target_cpu=\"x86\" is_debug=false gpgmm_force_tracing=true"
+
+    - name: Build for main branch
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd base
+        ninja -C out\Release
+
+    - name: Run gpgmm_end2end_tests leak tests
+      shell: cmd
+      run: |
+        cd base
+        out\Release\gpgmm_end2end_tests.exe --gtest_filter=*NoLeak
+
+    - name: Run gpgmm_end2end_tests
+      shell: cmd
+      run: |
+        cd base
+        out\Release\gpgmm_end2end_tests.exe --gtest_filter=-*NoLeak --gtest_output=json:${{ github.workspace }}\..\baseline_end2end_tests.json
+
+    - name: Run gpgmm_unittests
+      shell: cmd
+      run: |
+        cd base
+        out\Release\gpgmm_unittests.exe --gtest_output=json:${{ github.workspace }}\..\baseline_unittests.json
+
+    # - name: Run gpgmm_capture_replay_tests
+    #   shell: cmd
+    #   run: |
+    #     cd base
+    #     out\Release\gpgmm_capture_replay_tests.exe --gtest_output=json:${{ github.workspace }}\..\baseline_capture_replay_tests.json
+
+    - uses: actions/checkout@v2
+      with:
+        path: test
+        fetch-depth: 0
+
+    - name: Sync code for main branch (with patch)
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd test
+        copy scripts\standalone.gclient .gclient
+        gclient sync
+
+    - name: Generate shared library for main branch (with patch)
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd test
+        gn gen out\Release --args="target_cpu=\"x86\" is_debug=false gpgmm_shared_library=true"
+
+    - name: Build shared library for main branch (with patch)
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd test
+        ninja -C out\Release gpgmm
+
+    - name: Generate project for main branch (with patch)
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd test
+        gn gen out\Release --args="target_cpu=\"x86\" is_debug=false gpgmm_force_tracing=true"
+
+    - name: Build for main branch (with patch)
+      shell: cmd
+      run: |
+        set "PATH=%CD%\..\depot_tools;%PATH%"
+        set "DEPOT_TOOLS_WIN_TOOLCHAIN=0"
+        cd test
+        ninja -C out\Release
+
+    - name: Run gpgmm_end2end_tests (with patch)
+      shell: cmd
+      run: |
+        cd test
+        out\Release\gpgmm_end2end_tests.exe --gtest_filter=-*NoLeak --gtest_output=json:${{ github.workspace }}\..\test_end2end_tests.json
+
+    - name: Run gpgmm_unittests (with patch)
+      shell: cmd
+      run: |
+        cd test
+        out\Release\gpgmm_unittests.exe --gtest_output=json:${{ github.workspace }}\..\test_unittests.json
+
+    # - name: Run gpgmm_capture_replay_tests (with patch)
+    #   shell: cmd
+    #   run: |
+    #     cd test
+    #     out\Release\gpgmm_capture_replay_tests.exe --gtest_output=json:${{ github.workspace }}\..\test_capture_replay_tests.json
+
+    - name: Run gpgmm_capture_replay_tests to generate capture (with patch)
+      shell: cmd
+      run: |
+        cd test
+        out\Release\gpgmm_capture_replay_tests.exe --gtest_filter=*Replay/* --event-mask=0x3 --ignore-caps-mismatch --disable-memory-playback
+
+    - name: Run gpgmm_capture_replay_tests to playback capture (with patch)
+      shell: cmd
+      run: |
+        cd test
+        out\Release\gpgmm_capture_replay_tests.exe --gtest_filter=*Replay/*
+
+    - name: Regression check end2end tests
+      run: |
+        python test\scripts\regression_check.py ${{ github.workspace }}\..\baseline_end2end_tests.json ${{ github.workspace }}\..\test_end2end_tests.json
+
+    - name: Regression check unittests
+      run: |
+        python test\scripts\regression_check.py ${{ github.workspace }}\..\baseline_unittests.json ${{ github.workspace }}\..\test_unittests.json
+
+    # - name: Regression check capture replay tests
+    #   run: |
+    #     python test\scripts\regression_check.py ${{ github.workspace }}\..\baseline_capture_replay_tests.json ${{ github.workspace }}\..\test_capture_replay_tests.json