Merge branch 'main' into P2278R4_cbegin

# Conflicts:
#	libcxx/docs/Status/Cxx23Papers.csv
#	libcxx/include/module.modulemap

Author: frederick-vs-ja

.ci/generate-buildkite-pipeline-premerge

@@ -191,14 +191,17 @@ function keep-modified-projects() {
 }
 
 function check-targets() {
+  # Do not use "check-all" here because if there is "check-all" plus a
+  # project specific target like "check-clang", that project's tests
+  # will be run twice.
   projects=${@}
   for project in ${projects}; do
     case ${project} in
     clang-tools-extra)
       echo "check-clang-tools"
     ;;
     compiler-rt)
-      echo "check-all"
+      echo "check-compiler-rt"
     ;;
     cross-project-tests)
       echo "check-cross-project"
@@ -216,10 +219,10 @@ function check-targets() {
       echo "check-lldb"
     ;;
     pstl)
-      echo "check-all"
+      # Currently we do not run pstl tests in CI.
     ;;
     libclc)
-      echo "check-all"
+      # Currently there is no testing for libclc.
     ;;
     *)
       echo "check-${project}"

.github/new-prs-labeler.yml

@@ -69,7 +69,7 @@ PGO:
   - llvm/**/llvm-profdata/**/*
   - llvm/**/llvm-profgen/**/*
 
-vectorization:
+vectorizers:
   - llvm/lib/Transforms/Vectorize/**/*
   - llvm/include/llvm/Transforms/Vectorize/**/*
 
@@ -668,7 +668,7 @@ mlgo:
   - llvm/lib/CodeGen/ML*
   - llvm/unittests/CodeGen/ML*
   - llvm/test/CodeGen/MLRegAlloc/**
-  - llvm/utils/mlgo-utils/*
+  - llvm/utils/mlgo-utils/**
 
 tools:llvm-exegesis:
   - llvm/tools/llvm-exegesis/**
@@ -1008,3 +1008,8 @@ bazel:
 
 offload:
   - offload/**
+
+tablegen:
+  - llvm/include/TableGen/**
+  - llvm/lib/TableGen/**
+  - llvm/utils/TableGen/**

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

@@ -358,11 +358,10 @@ def main():
     gh = github.Github(login_or_token=token)
     org = gh.get_organization("llvm")
     repo = org.get_repo("llvm-project")
-    team = org.get_team_by_slug("llvm-committers")
     one_year_ago = datetime.datetime.now() - datetime.timedelta(days=365)
     triage_list = {}
-    for member in team.get_members():
-        triage_list[member.login] = User(member.login, triage_list)
+    for collaborator in repo.get_collaborators(permission="push"):
+        triage_list[collaborator.login] = User(collaborator.login, triage_list)
 
     print("Start:", len(triage_list), "triagers")
     # Step 0 Check if users have requested commit access in the last year.

.github/workflows/containers/github-action-ci/stage1.Dockerfile

@@ -2,7 +2,7 @@ FROM docker.io/library/ubuntu:22.04 as base
 ENV LLVM_SYSROOT=/opt/llvm
 
 FROM base as stage1-toolchain
-ENV LLVM_VERSION=18.1.8
+ENV LLVM_VERSION=19.1.2
 
 RUN apt-get update && \
     apt-get install -y \

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

@@ -193,17 +193,24 @@ jobs:
             **/crash_diagnostics/*
 
   macos:
-    runs-on: macos-14
     needs: [ stage1 ]
     strategy:
-      fail-fast: true
+      fail-fast: false
       matrix:
-        config: [
-          generic-cxx03,
-          generic-cxx23,
-          generic-modules,
-          apple-configuration
-        ]
+        include:
+        - config: generic-cxx03
+          os: macos-latest
+        - config: generic-cxx23
+          os: macos-latest
+        - config: generic-modules
+          os: macos-latest
+        - config: apple-configuration
+          os: macos-latest
+        - config: apple-system
+          os: macos-13
+        - config: apple-system-hardened
+          os: macos-13
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
       - uses: maxim-lobanov/setup-xcode@v1
@@ -242,6 +249,7 @@ jobs:
         - { config: mingw-dll, mingw: true }
         - { config: mingw-static, mingw: true }
         - { config: mingw-dll-i686, mingw: true }
+        - { config: mingw-incomplete-sysroot, mingw: true }
     steps:
       - uses: actions/checkout@v4
       - name: Install dependencies
@@ -260,6 +268,12 @@ jobs:
           del llvm-mingw*.zip
           mv llvm-mingw* c:\llvm-mingw
           echo "c:\llvm-mingw\bin" | Out-File -FilePath $Env:GITHUB_PATH -Encoding utf8 -Append
+      - name: Simulate a from-scratch build of llvm-mingw
+        if: ${{ matrix.config == 'mingw-incomplete-sysroot' }}
+        run: |
+          rm -r c:\llvm-mingw\include\c++
+          rm -r c:\llvm-mingw\*-w64-mingw32\lib\libc++*
+          rm -r c:\llvm-mingw\*-w64-mingw32\lib\libunwind*
       - name: Add Git Bash to the path
         run: |
           echo "c:\Program Files\Git\usr\bin" | Out-File -FilePath $Env:GITHUB_PATH -Encoding utf8 -Append

.github/workflows/release-binaries-all.yml

@@ -43,6 +43,7 @@ on:
       - '.github/workflows/release-binaries.yml'
       - '.github/workflows/release-binaries-setup-stage/*'
       - '.github/workflows/release-binaries-save-stage/*'
+      - 'clang/cmake/caches/Release.cmake'
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || 'dispatch' }}

.github/workflows/release-binaries.yml

@@ -328,7 +328,7 @@ jobs:
       run: |
         # Build some of the mlir tools that take a long time to link
         if [ "${{ needs.prepare.outputs.build-flang }}" = "true" ]; then
-          ninja -C ${{ steps.setup-stage.outputs.build-prefix }}/build/tools/clang/stage2-bins/ -j2 flang-new bbc
+          ninja -C ${{ steps.setup-stage.outputs.build-prefix }}/build/tools/clang/stage2-bins/ -j2 flang bbc
         fi
         ninja -C ${{ steps.setup-stage.outputs.build-prefix }}/build/tools/clang/stage2-bins/ \
             mlir-bytecode-parser-fuzzer \
@@ -420,6 +420,14 @@ jobs:
       attestations: write # For artifact attestations
 
     steps:
+    - name: Checkout Release Scripts
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+      with:
+        sparse-checkout: |
+          llvm/utils/release/github-upload-release.py
+          llvm/utils/git/requirements.txt
+        sparse-checkout-cone-mode: false
+
     - name: 'Download artifact'
       uses: actions/download-artifact@6b208ae046db98c579e8a3aa621ab581ff575935 # v4.1.1
       with:
@@ -442,11 +450,14 @@ jobs:
         name: ${{ needs.prepare.outputs.release-binary-filename }}-attestation
         path: ${{ needs.prepare.outputs.release-binary-filename }}.jsonl
 
+    - name: Install Python Requirements
+      run: |
+        pip install --require-hashes -r ./llvm/utils/git/requirements.txt
+
     - name: Upload Release
       shell: bash
       run: |
-        sudo apt install python3-github
-        ./llvm-project/llvm/utils/release/github-upload-release.py \
+        ./llvm/utils/release/github-upload-release.py \
         --token ${{ github.token }} \
         --release ${{ needs.prepare.outputs.release-version }} \
         upload \

.github/workflows/release-documentation.yml

@@ -72,17 +72,20 @@ jobs:
           ref: main
           fetch-depth: 0
           path: www-releases
+          persist-credentials: false
 
       - name: Upload Release Notes
         if: env.upload
         env:
-          WWW_RELEASES_TOKEN: ${{ secrets.WWW_RELEASES_TOKEN }}
+          GH_TOKEN: ${{ secrets.WWW_RELEASES_TOKEN }}
         run: |
-          mkdir -p ../www-releases/${{ inputs.release-version }}
-          mv ./docs-build/html-export/* ../www-releases/${{ inputs.release-version }}
-          cd ../www-releases
+          mkdir -p www-releases/${{ inputs.release-version }}
+          mv ./docs-build/html-export/* www-releases/${{ inputs.release-version }}
+          cd www-releases
+          git checkout -b ${{ inputs.release-version }}
           git add ${{ inputs.release-version }}
           git config user.email "[email protected]"
           git config user.name "llvmbot"
           git commit -a -m "Add ${{ inputs.release-version }} documentation"
-          git push "https://[email protected]/${{ github.repository_owner }}/www-releases" main:main
+          git push --force  "https://[email protected]/llvmbot/www-releases.git" HEAD:refs/heads/${{ inputs.release-version }}
+          gh pr create -f -B main -H ${{ inputs.release-version }} -R llvmbot/www-releases

.gitignore

@@ -51,6 +51,7 @@ autoconf/autom4te.cache
 /CMakeSettings.json
 # CLion project configuration
 /.idea
+/cmake-build*
 
 #==============================================================================#
 # Directories to ignore (do not add trailing '/'s, they skip symlinks).

bolt/include/bolt/Core/BinaryBasicBlock.h

@@ -19,6 +19,7 @@
 #include "bolt/Core/MCPlus.h"
 #include "llvm/ADT/GraphTraits.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/Config/llvm-config.h" // for LLVM_ON_UNIX
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCSymbol.h"
 #include "llvm/Support/ErrorOr.h"