[CIR] Add support for AliasOp

.aider.conf.yml

@@ -0,0 +1,2 @@
+openai-api-base: "http://localhost:8087/v1"
+model: openai/claude4-sonnet

.github/new-prs-labeler.yml

@@ -1,12 +1,6 @@
 BOLT:
   - bolt/**/*
 
-ClangIR:
-  - clang/include/clang/CIR/**/*
-  - clang/lib/CIR/**/*
-  - clang/tools/cir-*/**/*
-  - clang/test/CIR/**/*
-
 clang:bytecode:
   - clang/docs/ConstantInterpreter.rst
   - clang/lib/AST/ByteCode/**/*

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

@@ -18,7 +18,7 @@ on:
 jobs:
   build-ci-container-windows:
     if: github.repository_owner == 'llvm'
-    runs-on: windows-2022
+    runs-on: windows-2019
     outputs:
       container-name: ${{ steps.vars.outputs.container-name }}
       container-name-tag: ${{ steps.vars.outputs.container-name-tag }}
@@ -32,7 +32,7 @@ jobs:
         id: vars
         run: |
           $tag = [int64](Get-Date -UFormat %s)
-          $container_name="ghcr.io/$env:GITHUB_REPOSITORY_OWNER/ci-windows-2022"
+          $container_name="ghcr.io/$env:GITHUB_REPOSITORY_OWNER/ci-windows-2019"
           echo "container-name=${container_name}" >> $env:GITHUB_OUTPUT
           echo "container-name-tag=${container_name}:${tag}" >> $env:GITHUB_OUTPUT
           echo "container-filename=ci-windows-${tag}.tar" >> $env:GITHUB_OUTPUT
@@ -44,7 +44,7 @@ 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 }}
@@ -56,12 +56,12 @@ jobs:
       - build-ci-container-windows
     permissions:
       packages: write
-    runs-on: windows-2022
+    runs-on: windows-2019
     env:
       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

@@ -64,7 +64,7 @@ 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"
@@ -88,7 +88,7 @@ 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/checkout@v4.2.2
+        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/containers/github-action-ci-windows/Dockerfile

@@ -1,6 +1,6 @@
 # Agent image for LLVM org cluster.
 # .net 4.8 is required by chocolately package manager.
-FROM mcr.microsoft.com/dotnet/framework/sdk:4.8-windowsservercore-ltsc2022
+FROM mcr.microsoft.com/dotnet/framework/sdk:4.8-windowsservercore-ltsc2019
 
 # Restore the default Windows shell for correct batch processing.
 SHELL ["cmd", "/S", "/C"]

.github/workflows/docs.yml

@@ -51,16 +51,21 @@ 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:
-      - name: Fetch LLVM sources
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      # Don't fetch before checking for file changes to force the file changes
+      # action to use the Github API in pull requests. If it's a push to a
+      # branch we can't use the Github API to get the diff, so we need to have
+      # a local checkout beforehand.
+      - name: Fetch LLVM sources (Push)
+        if: ${{ github.event_name == 'push' }}
+        uses: actions/checkout@v4.2.2
         with:
           fetch-depth: 2
       - 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:
           skip_initial_fetch: true
           base_sha: 'HEAD~1'
@@ -94,8 +99,22 @@ jobs:
               - 'flang/include/flang/Optimizer/Dialect/FIROps.td'
             workflow:
               - '.github/workflows/docs.yml'
+<<<<<<< HEAD
+||||||| parent of 49be891dc52b (Drop use of comprimised action)
+      - name: Fetch LLVM sources (PR)
+        if: ${{ github.event_name == 'pull_request' }}
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          fetch-depth: 1
+=======
+      - name: Fetch LLVM sources (PR)
+        if: ${{ github.event_name == 'pull_request' }}
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 1
+>>>>>>> 49be891dc52b (Drop use of comprimised action)
       - name: Setup Python env
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+        uses: actions/setup-python@v5
         with:
           python-version: '3.11'
           cache: 'pip'
@@ -209,7 +228,7 @@ 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/upload-artifact@v4.6.2
         with:
           name: docs-output
           path: built-docs/

.github/workflows/email-check.yaml

@@ -39,7 +39,7 @@ 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/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/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/libc-fullbuild-tests.yml

@@ -67,7 +67,7 @@ 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

@@ -131,7 +131,7 @@ 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'
@@ -144,12 +144,12 @@ 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
@@ -165,7 +165,7 @@ 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/