[CIR] Implemented Opportunistic VTable Emission

.github/workflows/build-ci-container-windows.yml

@@ -46,7 +46,7 @@ jobs:
         run: |
           docker save  ${{ steps.vars.outputs.container-name-tag }} >  ${{ steps.vars.outputs.container-filename }}
       - name: Upload container image
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: container
           path: ${{ steps.vars.outputs.container-filename }}
@@ -63,7 +63,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Download container
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:
           name: container
       - name: Push Container

.github/workflows/build-ci-container.yml

@@ -66,7 +66,7 @@ jobs:
           podman save ${{ steps.vars.outputs.container-name-agent-tag }} > ${{ steps.vars.outputs.container-agent-filename }}
 
       - name: Upload container image
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: container-${{ matrix.arch }}
           path: "*.tar"
@@ -90,7 +90,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Download container
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
 
       - name: Push Container
         run: |

.github/workflows/build-metrics-container.yml

@@ -49,7 +49,7 @@ jobs:
         run: |
           podman save  ${{ steps.vars.outputs.container-name-tag }} >  ${{ steps.vars.outputs.container-filename }}
       - name: Upload Container Image
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: container
           path: ${{ steps.vars.outputs.container-filename }}
@@ -66,7 +66,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: Download Container
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:
           name: container
       - name: Push Container

.github/workflows/ci-post-commit-analyzer.yml

@@ -41,10 +41,10 @@ jobs:
       LLVM_VERSION: 18
     steps:
       - name: Checkout Source
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Setup ccache
-        uses: hendrikmuhs/ccache-action@a1209f81afb8c005c13b4296c32e363431bffea5 # v1.2.17
+        uses: hendrikmuhs/ccache-action@63069e3931dedbf3b63792097479563182fe70d1 # v1.2.18
         with:
           # A full build of llvm, clang, lld, and lldb takes about 250MB
           # of ccache space. There's not much reason to have more than this,
@@ -87,7 +87,7 @@ jobs:
           scan-build --generate-index-only build/analyzer-results
 
       - name: Upload Results
-        uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 #v4.3.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 #v4.6.2
         if: always()
         with:
           name: analyzer-results

.github/workflows/clang-cir-rebase.yml

@@ -0,0 +1,49 @@
+name: Clang CIR Rebase
+
+on: workflow_dispatch
+
+permissions:
+  contents: write
+
+env:
+  UPSTREAM_REPO: https://github.com/llvm/llvm-project.git
+  TARGET_BRANCH: rebased-${{ github.head_ref || github.ref_name }}
+
+jobs:
+  rebase:
+    name: Rebase Clang CIR onto LLVM upstream
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/[email protected]
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.WORKFLOW_TOKEN }}
+
+      - name: Set up Git user
+        run: |
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+
+      - name: Add upstream remote
+        run: |
+          git remote add upstream $UPSTREAM_REPO
+          git fetch upstream main
+
+      - name: Rebase CIR branch onto LLVM upstream
+        run: |
+          sh ./.github/workflows/rebase-clangir-onto-llvm-upstream.sh $TARGET_BRANCH
+
+      - name: Push rebase branch ${{ github.env.TARGET_BRANCH }}
+        run: |
+          git push --set-upstream origin ${{ github.env.TARGET_BRANCH }}
+
+  test-clang-cir:
+    name: Test Clang CIR
+    needs: rebase
+    uses: ./.github/workflows/llvm-project-tests.yml
+    with:
+      build_target: check-clang-cir
+      projects: clang;mlir
+      extra_cmake_args: -DCLANG_ENABLE_CIR=ON
+      repo_ref: ${{ github.env.TARGET_BRANCH }}

.github/workflows/clang-cir-tests.yml

@@ -0,0 +1,38 @@
+name: Clang CIR Tests
+
+permissions:
+  contents: read
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'main'
+    paths:
+      - 'clang/**'
+      - '.github/workflows/clang-cir-tests.yml'
+      - '.github/workflows/llvm-project-tests.yml'
+      - '!llvm/**'
+  pull_request:
+    branches:
+      - '**'
+    paths:
+      - 'clang/**'
+      - '.github/workflows/clang-cir-tests.yml'
+      - '.github/workflows/llvm-project-tests.yml'
+      - '!llvm/**'
+
+concurrency:
+  # Skip intermediate builds: always.
+  # Cancel intermediate builds: only if it is a pull request build.
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
+
+jobs:
+  check_clang_cir:
+    name: Test clang-cir
+    uses: ./.github/workflows/llvm-project-tests.yml
+    with:
+      build_target: check-clang-cir
+      projects: clang;mlir
+      extra_cmake_args: -DCLANG_ENABLE_CIR=ON

.github/workflows/commit-access-review.yml

@@ -28,7 +28,7 @@ jobs:
           python3 .github/workflows/commit-access-review.py $GITHUB_TOKEN
 
       - name: Upload Triage List
-        uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 #v4.3.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 #v4.6.2
         with:
           name: triagers
           path: triagers.log

.github/workflows/docs.yml

@@ -51,7 +51,7 @@ on:
 jobs:
   check-docs-build:
     name: "Test documentation build"
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     if: github.repository == 'llvm/llvm-project'
     steps:
       # Don't fetch before checking for file changes to force the file changes
@@ -60,12 +60,12 @@ jobs:
       # a local checkout beforehand.
       - name: Fetch LLVM sources (Push)
         if: ${{ github.event_name == 'push' }}
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/[email protected]
         with:
           fetch-depth: 1
       - name: Get subprojects that have doc changes
         id: docs-changed-subprojects
-        uses: step-security/changed-files@3dbe17c78367e7d60f00d78ae6781a35be47b4a1 # v45.0.1
+        uses: step-security/changed-files@95b56dadb92a30ca9036f16423fd3c088a71ee94
         with:
           files_yaml: |
             llvm:
@@ -98,11 +98,11 @@ jobs:
               - '.github/workflows/docs.yml'
       - name: Fetch LLVM sources (PR)
         if: ${{ github.event_name == 'pull_request' }}
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/[email protected]
         with:
           fetch-depth: 1
       - name: Setup Python env
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+        uses: actions/setup-python@v5
         with:
           python-version: '3.11'
           cache: 'pip'
@@ -216,7 +216,7 @@ jobs:
           mkdir built-docs/flang
           cp -r flang-build/docs/* built-docs/flang/
       - name: Upload docs
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
+        uses: actions/[email protected].2
         with:
           name: docs-output
           path: built-docs/

.github/workflows/email-check.yaml

@@ -38,7 +38,7 @@ jobs:
           [{"body" : "$COMMENT"}]
           EOF
 
-      - uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 #v4.3.0
+      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 #v4.6.2
         if: always()
         with:
           name: workflow-args

.github/workflows/hlsl-test-all.yaml

@@ -29,25 +29,25 @@ jobs:
     runs-on: ${{ inputs.SKU }}
     steps:
       - name: Checkout DXC
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: Microsoft/DirectXShaderCompiler
           ref: main
           path: DXC
           submodules: true
       - name: Checkout LLVM
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           ref: ${{ inputs.LLVM-branch }}
           path: llvm-project
       - name: Checkout OffloadTest
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: llvm-beanz/offload-test-suite
           ref: main
           path: OffloadTest
       - name: Checkout Golden Images
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: llvm-beanz/offload-golden-images
           ref: main
@@ -80,7 +80,7 @@ jobs:
             ninja check-hlsl-unit
             ninja ${{ inputs.TestTarget }}
       - name: Publish Test Results
-        uses: EnricoMi/publish-unit-test-result-action/macos@170bf24d20d201b842d7a52403b73ed297e6645b # v2
+        uses: EnricoMi/publish-unit-test-result-action/macos@3a74b2957438d0b6e2e61d67b05318aa25c9e6c6 # v2
         if: always() && runner.os == 'macOS'
         with:
           comment_mode: off

.github/workflows/issue-write.yml

@@ -39,7 +39,7 @@ jobs:
 
       - name: 'Comment on PR'
         if: steps.download-artifact.outputs.artifact-id != ''
-        uses: actions/github-script@ffc2c79a5b2490bd33e0a41c1de74b877714d736 # v3.2.0
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |

.github/workflows/libc-fullbuild-tests.yml

@@ -39,7 +39,7 @@ jobs:
     # Do not use direct GHAC access even though it is supported by sccache. GHAC rejects
     # frequent small object writes.
     - name: Setup ccache
-      uses: hendrikmuhs/ccache-action@a1209f81afb8c005c13b4296c32e363431bffea5 # v1.2.17
+      uses: hendrikmuhs/ccache-action@63069e3931dedbf3b63792097479563182fe70d1 # v1.2.18
       with:
         max-size: 1G
         key: libc_fullbuild_${{ matrix.c_compiler }}

.github/workflows/libc-overlay-tests.yml

@@ -57,7 +57,7 @@ jobs:
     # Do not use direct GHAC access even though it is supported by sccache. GHAC rejects
     # frequent small object writes.
     - name: Setup ccache
-      uses: hendrikmuhs/ccache-action@a1209f81afb8c005c13b4296c32e363431bffea5 # v1.2.17
+      uses: hendrikmuhs/ccache-action@63069e3931dedbf3b63792097479563182fe70d1 # v1.2.18
       with:
         max-size: 1G
         key: libc_overlay_build_${{ matrix.os }}_${{ matrix.compiler.c_compiler }}

.github/workflows/libclang-abi-tests.yml

@@ -130,7 +130,7 @@ jobs:
             sed -i 's/LLVM_[0-9]\+/LLVM_NOVERSION/' $lib-${{ matrix.ref }}.abi
           done
       - name: Upload ABI file
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # 4.6.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # 4.6.2
         with:
           name: ${{ matrix.name }}
           path: '*${{ matrix.ref }}.abi'
@@ -143,12 +143,12 @@ jobs:
       - abi-dump
     steps:
       - name: Download baseline
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # 4.1.8
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # 4.3.0
         with:
           name: build-baseline
           path: build-baseline
       - name: Download latest
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # 4.1.8
+        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # 4.3.0
         with:
           name: build-latest
           path: build-latest
@@ -162,7 +162,7 @@ jobs:
           done
       - name: Upload ABI Comparison
         if: always()
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # 4.6.0
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # 4.6.2
         with:
           name: compat-report-${{ github.sha }}
           path: compat_reports/

.github/workflows/libcxx-build-and-test.yaml

@@ -22,9 +22,6 @@ on:
       - 'runtimes/**'
       - 'cmake/**'
       - '.github/workflows/libcxx-build-and-test.yaml'
-  schedule:
-    # Run nightly at 08:00 UTC (aka 00:00 Pacific, aka 03:00 Eastern)
-    - cron: '0 8 * * *'
 
 permissions:
   contents: read # Default everything to read-only
@@ -61,7 +58,7 @@ jobs:
         env:
           CC: ${{ matrix.cc }}
           CXX: ${{ matrix.cxx }}
-      - uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0
+      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         if: always()
         with:
           name: ${{ matrix.config }}-${{ matrix.cxx }}-results
@@ -111,7 +108,7 @@ jobs:
         env:
           CC: ${{ matrix.cc }}
           CXX: ${{ matrix.cxx }}
-      - uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0
+      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         if: always()  # Upload artifacts even if the build or test suite fails
         with:
           name: ${{ matrix.config }}-${{ matrix.cxx }}-results
@@ -175,7 +172,7 @@ jobs:
         env:
           CC: clang-21
           CXX: clang++-21
-      - uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0
+      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         if: always()
         with:
           name: ${{ matrix.config }}-results
@@ -218,7 +215,7 @@ jobs:
           source .venv/bin/activate
           python -m pip install psutil
           bash libcxx/utils/ci/run-buildbot ${{ matrix.config }}
-      - uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0
+      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         if: always()  # Upload artifacts even if the build or test suite fails
         with:
           name: macos-${{ matrix.config }}-results

.github/workflows/libcxx-build-containers.yml

@@ -47,7 +47,7 @@ jobs:
     #     TAG: ${{ github.sha }}
 
     - name: Log in to GitHub Container Registry
-      uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
+      uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
       with:
         registry: ghcr.io
         username: ${{ github.actor }}

.github/workflows/llvm-bugs.yml

@@ -14,13 +14,13 @@ jobs:
     runs-on: ubuntu-24.04
     if: github.repository == 'llvm/llvm-project'
     steps:
-      - uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: 18
           check-latest: true
       - run: npm install mailgun.js form-data
       - name: Send notification
-        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6.4.1
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
         env:
           MAILGUN_API_KEY: ${{ secrets.LLVM_BUGS_KEY }}
         with: