Merge remote-tracking branch 'upstream/main' into vinay-issue-128660-P3372-constexpr-map

Author: vinay-deshmukh

.ci/premerge_advisor_explain.py

@@ -0,0 +1,63 @@
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+"""Script for getting explanations from the premerge advisor."""
+
+import argparse
+import os
+import platform
+import sys
+
+import requests
+
+import generate_test_report_lib
+
+PREMERGE_ADVISOR_URL = (
+    "http://premerge-advisor.premerge-advisor.svc.cluster.local:5000/explain"
+)
+
+
+def main(commit_sha: str, build_log_files: list[str]):
+    junit_objects, ninja_logs = generate_test_report_lib.load_info_from_files(
+        build_log_files
+    )
+    test_failures = generate_test_report_lib.get_failures(junit_objects)
+    current_platform = f"{platform.system()}-{platform.machine()}".lower()
+    explanation_request = {
+        "base_commit_sha": commit_sha,
+        "platform": current_platform,
+        "failures": [],
+    }
+    if test_failures:
+        for _, failures in test_failures.items():
+            for name, failure_messsage in failures:
+                explanation_request["failures"].append(
+                    {"name": name, "message": failure_messsage}
+                )
+    else:
+        ninja_failures = generate_test_report_lib.find_failure_in_ninja_logs(ninja_logs)
+        for name, failure_message in ninja_failures:
+            explanation_request["failures"].append(
+                {"name": name, "message": failure_message}
+            )
+    advisor_response = requests.get(PREMERGE_ADVISOR_URL, json=explanation_request)
+    if advisor_response.status_code == 200:
+        print(advisor_response.json())
+    else:
+        print(advisor_response.reason)
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("commit_sha", help="The base commit SHA for the test.")
+    parser.add_argument(
+        "build_log_files", help="Paths to JUnit report files and ninja logs.", nargs="*"
+    )
+    args = parser.parse_args()
+
+    # Skip looking for results on AArch64 for now because the premerge advisor
+    # service is not available on AWS currently.
+    if platform.machine() == "arm64":
+        sys.exit(0)
+
+    main(args.commit_sha, args.build_log_files)

.ci/utils.sh

@@ -43,6 +43,11 @@ function at-exit {
     python "${MONOREPO_ROOT}"/.ci/premerge_advisor_upload.py \
       $(git rev-parse HEAD~1) $GITHUB_RUN_NUMBER \
       "${BUILD_DIR}"/test-results.*.xml "${MONOREPO_ROOT}"/ninja*.log
+    if [[ "$GITHUB_ACTIONS" != "" ]]; then
+      python "${MONOREPO_ROOT}"/.ci/premerge_advisor_explain.py \
+        $(git rev-parse HEAD~1) "${BUILD_DIR}"/test-results.*.xml \
+        "${MONOREPO_ROOT}"/ninja*.log
+    fi
   fi
 }
 trap at-exit EXIT

.github/CODEOWNERS

@@ -53,6 +53,13 @@
 /mlir/include/mlir/Interfaces/DestinationStyleOpInterface.* @matthias-springer
 /mlir/lib/Interfaces/DestinationStyleOpInterface.* @matthias-springer
 
+# AMDGPU and ROCDL dialects in MLIR.
+/mlir/include/mlir/Dialect/AMDGPU @krzysz00 @kuhar
+/mlir/lib/Dialect/AMDGPU @krzysz00 @kuhar
+/mlir/lib/Conversion/*AMDGPU* @krzysz00 @kuhar
+/mlir/lib/Conversion/*ToROCDL @krzysz00 @kuhar
+/mlir/include/mlir/Dialect/LLVMIR/ROCDL* @krzysz00 @kuhar
+
 # Bufferization Dialect in MLIR.
 /mlir/include/mlir/Dialect/Bufferization @matthias-springer
 /mlir/lib/Dialect/Bufferization @matthias-springer

.github/workflows/containers/github-action-ci-tooling/Dockerfile

@@ -1,14 +1,19 @@
 ARG LLVM_VERSION=21.1.0
+# FIXME: Use "${LLVM_VERSION%%.*}" instead of "LLVM_VERSION_MAJOR" once we update runners to Ubuntu-26.04 with Buildah >= 1.37
+ARG LLVM_VERSION_MAJOR=21
 
 FROM docker.io/library/ubuntu:24.04 AS llvm-downloader
 ARG LLVM_VERSION
+ARG LLVM_VERSION_MAJOR
 
 RUN apt-get update && \
     apt-get install -y wget xz-utils && \
     wget -O llvm.tar.xz https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}/LLVM-${LLVM_VERSION}-Linux-X64.tar.xz && \
     mkdir -p /llvm-extract && \
     tar -xvJf llvm.tar.xz -C /llvm-extract \
         # Only unpack these tools to save space on Github runner.
+        LLVM-${LLVM_VERSION}-Linux-X64/bin/clang-${LLVM_VERSION_MAJOR} \
+        LLVM-${LLVM_VERSION}-Linux-X64/lib/clang/${LLVM_VERSION_MAJOR}/include \
         LLVM-${LLVM_VERSION}-Linux-X64/bin/clang-tidy \
         LLVM-${LLVM_VERSION}-Linux-X64/bin/clang-format \
         LLVM-${LLVM_VERSION}-Linux-X64/bin/git-clang-format && \
@@ -50,12 +55,27 @@ RUN pip install -r requirements_formatting.txt --break-system-packages && \
 
 FROM base AS ci-container-code-lint
 ARG LLVM_VERSION
+ARG LLVM_VERSION_MAJOR
 
-COPY --from=llvm-downloader /llvm-extract/LLVM-${LLVM_VERSION}-Linux-X64/bin/clang-tidy ${LLVM_SYSROOT}/bin/
+COPY --from=llvm-downloader /llvm-extract/LLVM-${LLVM_VERSION}-Linux-X64/bin/clang-tidy \
+                            /llvm-extract/LLVM-${LLVM_VERSION}-Linux-X64/bin/clang-${LLVM_VERSION_MAJOR} \
+                            ${LLVM_SYSROOT}/bin/
+COPY --from=llvm-downloader /llvm-extract/LLVM-${LLVM_VERSION}-Linux-X64/lib/clang/${LLVM_VERSION_MAJOR}/include \
+                            ${LLVM_SYSROOT}/lib/clang/${LLVM_VERSION_MAJOR}/include
 COPY clang-tools-extra/clang-tidy/tool/clang-tidy-diff.py ${LLVM_SYSROOT}/bin/clang-tidy-diff.py
 
+RUN ln -s ${LLVM_SYSROOT}/bin/clang-${LLVM_VERSION_MAJOR} ${LLVM_SYSROOT}/bin/clang && \
+    ln -s ${LLVM_SYSROOT}/bin/clang ${LLVM_SYSROOT}/bin/clang++
+
 ENV PATH=${LLVM_SYSROOT}/bin:${PATH}
 
+RUN apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y \
+    cmake \
+    ninja-build && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
 # Install dependencies for 'pr-code-lint.yml' job
 COPY llvm/utils/git/requirements_linting.txt requirements_linting.txt
 RUN pip install -r requirements_linting.txt --break-system-packages && \

.github/workflows/containers/github-action-ci-windows/Dockerfile

@@ -98,3 +98,45 @@ RUN powershell -Command \
     Add-Type -AssemblyName System.IO.Compression.FileSystem ; \
     [System.IO.Compression.ZipFile]::ExtractToDirectory('actions-runner-win.zip', $PWD) ;\
     rm actions-runner-win.zip
+
+# Set the LLVM_VERSION environment variable
+ENV LLVM_VERSION=21.1.2
+
+# Download and extract Clang compiler.
+# Create directories, download, extract, and clean up all in one layer
+RUN powershell -Command \
+    # --- Setup directories --- \
+    Write-Host "Creating directories..."; \
+    New-Item -Path "C:\temp-download" -ItemType "Directory" -Force ; \
+    New-Item -Path "C:\xz-utils" -ItemType "Directory" -Force ; \
+    New-Item -Path "C:\clang" -ItemType "Directory" -Force ; \
+    # --- 1. Download and extract xz --- \
+    Set-Location C:\temp-download ; \
+    Invoke-WebRequest -Uri "http://github.com/tukaani-project/xz/releases/download/v5.8.1/xz-5.8.1-windows.zip" -OutFile "xz.zip"; \
+    (Get-FileHash -Path "C:\temp-download\xz.zip" -Algorithm MD5).Hash -eq 'c3c69fdce3e825cc0b76123b36b0bcc2' ; \
+    Add-Type -AssemblyName "System.IO.Compression.FileSystem"; \
+    [System.IO.Compression.ZipFile]::ExtractToDirectory('C:\temp-download\xz.zip', 'C:\xz-utils'); \ 
+    # --- 2. Download and decompress Clang --- \
+    Invoke-WebRequest -Uri "http://github.com/llvm/llvm-project/releases/download/llvmorg-21.1.2/clang+llvm-21.1.2-x86_64-pc-windows-msvc.tar.xz" -OutFile "clang+llvm-21.1.2-x86_64-pc-windows-msvc.tar.xz" ; \
+    (Get-FileHash -Path "C:\temp-download\clang+llvm-21.1.2-x86_64-pc-windows-msvc.tar.xz" -Algorithm MD5).Hash -eq '0ae1d3effd9ab9d323f7fa595777f0a2' ; \
+    C:\xz-utils\bin_x86-64\xz.exe -d -qq clang+llvm-21.1.2-x86_64-pc-windows-msvc.tar.xz ; \
+    # --- 3. Extract clang --- \
+    C:\Windows\System32\tar.exe -xf clang+llvm-21.1.2-x86_64-pc-windows-msvc.tar -C C:\clang ; \
+    # --- 4. Clean up --- \
+    Set-Location C:\ ; \
+    Remove-Item C:\temp-download -Recurse -Force; \
+    Remove-Item C:\xz-utils -Recurse -Force; \
+    # -- 5. Shorten path to clang files & remove unnecessary files -- \
+    Set-Location C:\clang ; \
+    Rename-Item -Path "C:\clang\clang+llvm-21.1.2-x86_64-pc-windows-msvc" -NewName "C:\clang\clang-msvc" ; \
+    Set-Location C:\clang\clang-msvc ; \
+    Remove-Item -Path C:\clang\clang-msvc\libexec -Recurse -Force ; \
+    Remove-Item -Path C:\clang\clang-msvc\share -Recurse -Force ; \
+    Rename-Item -Path "C:\clang\clang-msvc\bin" -NewName "C:\clang\clang-msvc\bin-full" ; \
+    New-Item -Path "C:\clang\clang-msvc\bin" -ItemType Directory -Force ; \
+    Set-Location C:\clang\clang-msvc\bin ; \
+    Copy-Item -Path C:\clang\clang-msvc\bin-full\*.dll -Destination C:\clang\clang-msvc\bin\. ; \
+    Copy-Item -Path C:\clang\clang-msvc\bin-full\clang-cl.exe -Destination C:\clang\clang-msvc\bin\. ; \
+    Copy-Item -Path C:\clang\clang-msvc\bin-full\lld-link.exe -Destination C:\clang\clang-msvc\bin\. ; \
+    Set-Location C:\clang\clang-msvc ; \
+    Remove-Item -Path C:\clang\clang-msvc\bin-full -Recurse -Force ;

.github/workflows/libcxx-run-benchmarks.yml

@@ -64,17 +64,21 @@ jobs:
           path: repo # Avoid nuking the workspace, where we have the Python virtualenv
 
       - name: Run baseline
+        env:
+          BENCHMARKS: ${{ steps.vars.outputs.benchmarks }}
         run: |
           source .venv/bin/activate && cd repo
           python -m pip install -r libcxx/utils/requirements.txt
           baseline_commit=$(git merge-base ${{ steps.vars.outputs.pr_base }} ${{ steps.vars.outputs.pr_head }})
-          ./libcxx/utils/test-at-commit --commit ${baseline_commit} -B build/baseline -- -sv -j1 --param optimization=speed ${{ steps.vars.outputs.benchmarks }}
+          ./libcxx/utils/test-at-commit --commit ${baseline_commit} -B build/baseline -- -sv -j1 --param optimization=speed "$BENCHMARKS"
           ./libcxx/utils/consolidate-benchmarks build/baseline | tee baseline.lnt
 
       - name: Run candidate
+        env:
+          BENCHMARKS: ${{ steps.vars.outputs.benchmarks }}
         run: |
           source .venv/bin/activate && cd repo
-          ./libcxx/utils/test-at-commit --commit ${{ steps.vars.outputs.pr_head }} -B build/candidate -- -sv -j1 --param optimization=speed ${{ steps.vars.outputs.benchmarks }}
+          ./libcxx/utils/test-at-commit --commit ${{ steps.vars.outputs.pr_head }} -B build/candidate -- -sv -j1 --param optimization=speed "$BENCHMARKS"
           ./libcxx/utils/consolidate-benchmarks build/candidate | tee candidate.lnt
 
       - name: Compare baseline and candidate runs

.github/workflows/pr-code-lint.yml

@@ -20,7 +20,7 @@ jobs:
       run:
         shell: bash
     container:
-      image: 'ghcr.io/llvm/ci-ubuntu-24.04:latest'
+      image: 'ghcr.io/llvm/ci-ubuntu-24.04-lint'
     timeout-minutes: 60
     concurrency:
       group: ${{ github.workflow }}-${{ github.ref }}
@@ -31,6 +31,11 @@ jobs:
         with:
           fetch-depth: 2
 
+      # FIXME: same as in ".github/workflows/pr-code-format.yml"
+      - name: Set Safe Directory
+        run: |
+          chown -R root $(pwd)
+      
       - name: Get changed files
         id: changed-files
         uses: tj-actions/changed-files@ed68ef82c095e0d48ec87eccea555d944a631a4c # v46.0.5
@@ -46,22 +51,6 @@ jobs:
         run: |
           echo "Changed files:"
           echo "$CHANGED_FILES"
-
-      # The clang tidy version should always be upgraded to the first version
-      # of a release cycle (x.1.0) or the last version of a release cycle, or
-      # if there have been relevant clang-format backports.
-      - name: Install clang-tidy
-        uses: aminya/setup-cpp@a276e6e3d1db9160db5edc458e99a30d3b109949 # v1.7.1
-        with:
-          clang-tidy: 21.1.0
-      
-      - name: Setup Python env
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
-        with:
-          python-version: '3.13'
-
-      - name: Install Python dependencies
-        run: python3 -m pip install -r llvm/utils/git/requirements_linting.txt
       
       # TODO: create special mapping for 'codegen' targets, for now build predefined set
       # TODO: add entrypoint in 'compute_projects.py' that only adds a project and its direct dependencies

.github/workflows/premerge.yaml

@@ -62,6 +62,7 @@ jobs:
         with:
           fetch-depth: 2
       - name: Build and Test
+        timeout-minutes: 120
         continue-on-error: ${{ runner.arch == 'ARM64' }}
         run: |
           git config --global --add safe.directory '*'
@@ -149,6 +150,7 @@ jobs:
           echo "windows-runtimes=${runtimes_to_build}" >> $GITHUB_OUTPUT
           echo "windows-runtimes-check-targets=${runtimes_check_targets}" >> $GITHUB_OUTPUT
       - name: Build and Test
+        timeout-minutes: 180
         if: ${{ steps.vars.outputs.windows-projects != '' }}
         shell: cmd
         run: |
@@ -191,7 +193,7 @@ jobs:
         uses: llvm/actions/install-ninja@main
       - name: Build and Test
         run: |
-          source <(git diff --name-only HEAD~2..HEAD | python3 .ci/compute_projects.py)
+          source <(git diff --name-only HEAD~1...HEAD | python3 .ci/compute_projects.py)
 
           if [[ "${projects_to_build}" == "" ]]; then
             echo "No projects to build"

.github/workflows/release-binaries.yml

@@ -58,7 +58,6 @@ jobs:
       ref: ${{ steps.vars.outputs.ref }}
       upload: ${{ steps.vars.outputs.upload }}
       target-cmake-flags: ${{ steps.vars.outputs.target-cmake-flags }}
-      ccache: ${{ steps.vars.outputs.ccache }}
       build-flang: ${{ steps.vars.outputs.build-flang }}
       release-binary-basename: ${{ steps.vars.outputs.release-binary-basename }}
       release-binary-filename: ${{ steps.vars.outputs.release-binary-filename }}
@@ -123,13 +122,6 @@ jobs:
         echo "release-binary-filename=$release_binary_basename.tar.xz" >> $GITHUB_OUTPUT
 
         target="$RUNNER_OS-$RUNNER_ARCH"
-        # The hendrikmuhs/ccache-action action does not support installing sccache
-        # on arm64 Linux.
-        if [ "$target" = "Linux-ARM64" ]; then
-          echo ccache=ccache >> $GITHUB_OUTPUT
-        else
-          echo ccache=sccache >> $GITHUB_OUTPUT
-        fi
 
         # The macOS builds try to cross compile some libraries so we need to
         # add extra CMake args to disable them.
@@ -149,15 +141,12 @@ jobs:
           target_cmake_flags="$target_cmake_flags -DBOOTSTRAP_BOOTSTRAP_DARWIN_osx_ARCHS=$arches -DBOOTSTRAP_BOOTSTRAP_DARWIN_osx_BUILTIN_ARCHS=$arches"
         fi
 
-        build_flang="true"
-
         if [ "$RUNNER_OS" = "Windows" ]; then
           # The build times out on Windows, so we need to disable LTO.
           target_cmake_flags="$target_cmake_flags -DLLVM_RELEASE_ENABLE_LTO=OFF"
         fi
 
         echo "target-cmake-flags=$target_cmake_flags" >> $GITHUB_OUTPUT
-        echo "build-flang=$build_flang" >> $GITHUB_OUTPUT
         case "${{ inputs.runs-on }}" in
           ubuntu-22.04*)
             build_runs_on="depot-${{ inputs.runs-on }}-16"
@@ -222,15 +211,12 @@ jobs:
     - name: Configure
       id: build
       shell: bash
-      env:
-        CCACHE_BIN: ${{ needs.prepare.outputs.ccache }}
       run: |
         # There were some issues on the ARM64 MacOS runners with trying to build x86 object,
         # so we need to set some extra cmake flags to disable this.
         cmake -G Ninja -S llvm -B ${{ steps.setup-stage.outputs.build-prefix }}/build \
             ${{ needs.prepare.outputs.target-cmake-flags }} \
             -C clang/cmake/caches/Release.cmake \
-            -DBOOTSTRAP_LLVM_PARALLEL_LINK_JOBS=1 \
             -DBOOTSTRAP_BOOTSTRAP_CPACK_PACKAGE_FILE_NAME="${{ needs.prepare.outputs.release-binary-basename }}"
 
     - name: Build

.github/workflows/release-documentation.yml

@@ -25,6 +25,10 @@ on:
         description: 'Upload documentation'
         required: false
         type: boolean
+    secrets:
+      WWW_RELEASES_TOKEN:
+        description: "Secret used to create a PR with the documentation changes."
+        required: false
 
 jobs:
   release-documentation: