gh: Add running workflow for llvm test suite.

Author: Jezurko

.github/workflows/llvm-ts-run.yml

@@ -0,0 +1,88 @@
+#
+# Copyright (c) 2021-present, Trail of Bits, Inc.
+# All rights reserved.
+#
+# This source code is licensed in accordance with the terms specified in
+# the LICENSE file found in the root directory of this source tree.
+#
+
+name: "LLVM test suite"
+
+on:
+  workflow_run:
+    workflows: ["Pre Release"]
+    types:
+      - completed
+    branches:
+      - "master"
+
+jobs:
+  test:
+    name: "LLVM test suite"
+    strategy:
+      matrix:
+        llvm-version: [17]
+        image-version: [22.04]
+        vast-target: ['hl', 'llvm', '']
+
+    runs-on: ubuntu-${{ matrix.image-version }}
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    timeout-minutes: 60
+    container:
+      image:
+        ghcr.io/trailofbits/vast-ubuntu-${{ matrix.image-version }}-llvm-${{ matrix.llvm-version }}-dev:latest
+
+    steps:
+     - name: Fetch VAST artifact
+       uses: actions/download-artifact@v4
+       with:
+        run-id: ${{ github.event.workflow_run.id }}
+
+     - name: Unpack VAST
+       run: |
+          mkdir vast && tar -xf VAST-* -C vast --strip-components=1
+
+     - name: Export vast-front
+       run: |
+          echo "${PWD}/vast/bin/" >> $GITHUB_PATH
+
+     - name: Install test suite dependencies
+       run: |
+          pip3 install lit pandas scipy
+
+     - name: Clone test suite repository
+       uses: actions/checkout@v4
+       with:
+        repository: Jezurko/llvm-test-suite
+        path: llvm-test-suite
+        fetch-depth: 1
+
+     - name: Run test-suite
+       run: |
+        mkdir llvm-test-suite/build && cd llvm-test-suite/build/
+        cmake ../ -DCMAKE_BUILD_TYPE=Release \
+          -DCMAKE_C_COMPILER=$(readlink -f ../tools/compiler) \
+          -DCMAKE_CXX_COMPILER=$(readlink -f ../tools/compiler++) \
+          -C=../cmake/caches/O3.cmake \
+          -DTEST_SUITE_SUBDIRS=SingleSource \
+          -DTEST_SUITE_VAST_ENABLE=ON \
+          -DTEST_SUITE_VAST_TARGET=${{ matrix.vast-target }}
+        make -j $(nproc) -k
+
+     - name: Collect run data (mlir)
+       if: ${{ matrix.vast-target }} != ''
+       run: |
+          cd llvm-test-suite/build
+          ../utils/mlir_compile_json_gen.py >> ../../results.json
+
+     - name: Collect run data (bin)
+       if: ${{ matrix.vast-target }} == ''
+       run: |
+          cd llvm-test-suite/build
+          lit --timeout=60 -v -o ../../results.json
+
+     - name: Upload results
+       uses: actions/upload-artifact@v4
+       with:
+        files: results.json
+        name: results${{ matrix.vast-target}}