Merge branch 'main' into propeller-cfg-decode

Author: rlavaee

.ci/monolithic-windows.sh

@@ -23,8 +23,8 @@ runtimes_targets="${4}"
 start-group "CMake"
 pip install -q -r "${MONOREPO_ROOT}"/.ci/all_requirements.txt
 
-export CC=cl
-export CXX=cl
+export CC=C:/clang/clang-msvc/bin/clang-cl.exe
+export CXX=C:/clang/clang-msvc/bin/clang-cl.exe
 export LD=link
 
 # The CMAKE_*_LINKER_FLAGS to disable the manifest come from research
@@ -49,6 +49,7 @@ cmake -S "${MONOREPO_ROOT}"/llvm -B "${BUILD_DIR}" \
       -D CMAKE_EXE_LINKER_FLAGS="/MANIFEST:NO" \
       -D CMAKE_MODULE_LINKER_FLAGS="/MANIFEST:NO" \
       -D CMAKE_SHARED_LINKER_FLAGS="/MANIFEST:NO" \
+      -D CMAKE_CXX_FLAGS="-Wno-c++98-compat -Wno-c++14-compat -Wno-unsafe-buffer-usage -Wno-old-style-cast" \
       -D LLVM_ENABLE_RUNTIMES="${runtimes}"
 
 start-group "ninja"

.ci/premerge_advisor_upload.py

@@ -12,9 +12,12 @@
 
 import generate_test_report_lib
 
-PREMERGE_ADVISOR_URL = (
-    "http://premerge-advisor.premerge-advisor.svc.cluster.local:5000/upload"
-)
+# These are IP addresses of the two premerge advisor instances. They should
+# eventually be updated to domain names.
+PREMERGE_ADVISOR_URLS = [
+    "http://34.82.126.63:5000/upload",
+    "http://136.114.125.23:5000/upload",
+]
 
 
 def main(commit_sha, workflow_run_number, build_log_files):
@@ -41,7 +44,8 @@ def main(commit_sha, workflow_run_number, build_log_files):
         ninja_failures = generate_test_report_lib.find_failure_in_ninja_logs(ninja_logs)
         for name, failure_message in ninja_failures:
             failure_info["failures"].append({"name": name, "message": failure_message})
-    requests.post(PREMERGE_ADVISOR_URL, json=failure_info)
+    for premerge_advisor_url in PREMERGE_ADVISOR_URLS:
+        requests.post(premerge_advisor_url, json=failure_info)
 
 
 if __name__ == "__main__":

.ci/utils.sh

@@ -40,13 +40,17 @@ function at-exit {
   fi
 
   if [[ "$retcode" != "0" ]]; then
-    python "${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 \
         "${MONOREPO_ROOT}"/ninja*.log
+      python "${MONOREPO_ROOT}"/.ci/premerge_advisor_upload.py \
+        $(git rev-parse HEAD~1) $GITHUB_RUN_NUMBER \
+        "${BUILD_DIR}"/test-results.*.xml "${MONOREPO_ROOT}"/ninja*.log
+    else
+      python "${MONOREPO_ROOT}"/.ci/premerge_advisor_upload.py \
+        $(git rev-parse HEAD) $BUILDBOT_BUILDNUMBER \
+        "${BUILD_DIR}"/test-results.*.xml "${MONOREPO_ROOT}"/ninja*.log
     fi
   fi
 }

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

@@ -37,6 +37,14 @@ RUN apt-get update && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
+# Create a new user with id 1001 as that is the user id that
+# Github Actions uses to perform the checkout action.
+RUN useradd gha -u 1001 -m -s /bin/bash
+RUN adduser gha sudo
+RUN echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
+# Don't set USER gha right away because we still need to install packages
+# as root in 'ci-container-code-format' and 'ci-container-code-lint' containers
+
 
 FROM base AS ci-container-code-format
 ARG LLVM_VERSION
@@ -51,6 +59,8 @@ ENV PATH=${LLVM_SYSROOT}/bin:${PATH}
 COPY llvm/utils/git/requirements_formatting.txt requirements_formatting.txt
 RUN pip install -r requirements_formatting.txt --break-system-packages && \
     rm requirements_formatting.txt
+USER gha
+WORKDIR /home/gha
 
 
 FROM base AS ci-container-code-lint
@@ -80,3 +90,5 @@ RUN apt-get update && \
 COPY llvm/utils/git/requirements_linting.txt requirements_linting.txt
 RUN pip install -r requirements_linting.txt --break-system-packages && \
     rm requirements_linting.txt
+USER gha
+WORKDIR /home/gha

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

@@ -25,14 +25,6 @@ jobs:
         with:
           fetch-depth: 2
 
-      # We need to set the repo checkout as safe, otherwise tj-actions/changed-files
-      # will fail due to the changed ownership inside the container.
-      # TODO(boomanaiden154): We should probably fix this by having the default user
-      # in the container have the same ID as the GHA user on the host.
-      - 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

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

@@ -31,11 +31,6 @@ 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

.github/workflows/release-binaries.yml

@@ -132,24 +132,16 @@ jobs:
             arches=arm64
           else
             arches=x86_64
-            # Disable Flang builds on macOS x86_64.  The FortranLower library takes
-            # 2-3 hours to build on macOS, much slower than on Linux.
-            # The long build time causes the release build to time out on x86_64,
-            # so we need to disable flang there.
-            target_cmake_flags="$target_cmake_flags -DLLVM_RELEASE_ENABLE_PROJECTS='clang;lld;lldb;clang-tools-extra;polly;mlir'"
           fi
           target_cmake_flags="$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"

bolt/include/bolt/Core/BinaryFunction.h

@@ -620,13 +620,11 @@ class BinaryFunction {
   }
 
   /// Return a label at a given \p Address in the function. If the label does
-  /// not exist - create it. Assert if the \p Address does not belong to
-  /// the function. If \p CreatePastEnd is true, then return the function
-  /// end label when the \p Address points immediately past the last byte
-  /// of the function.
+  /// not exist - create it.
+  ///
   /// NOTE: the function always returns a local (temp) symbol, even if there's
   ///       a global symbol that corresponds to an entry at this address.
-  MCSymbol *getOrCreateLocalLabel(uint64_t Address, bool CreatePastEnd = false);
+  MCSymbol *getOrCreateLocalLabel(uint64_t Address);
 
   /// Register an data entry at a given \p Offset into the function.
   void markDataAtOffset(uint64_t Offset) {

bolt/lib/Core/BinaryFunction.cpp

@@ -1035,13 +1035,9 @@ BinaryFunction::processIndirectBranch(MCInst &Instruction, unsigned Size,
   return BranchType;
 }
 
-MCSymbol *BinaryFunction::getOrCreateLocalLabel(uint64_t Address,
-                                                bool CreatePastEnd) {
+MCSymbol *BinaryFunction::getOrCreateLocalLabel(uint64_t Address) {
   const uint64_t Offset = Address - getAddress();
 
-  if ((Offset == getSize()) && CreatePastEnd)
-    return getFunctionEndLabel();
-
   auto LI = Labels.find(Offset);
   if (LI != Labels.end())
     return LI->second;
@@ -1052,6 +1048,9 @@ MCSymbol *BinaryFunction::getOrCreateLocalLabel(uint64_t Address,
       return IslandSym;
   }
 
+  if (Offset == getSize())
+    return getFunctionEndLabel();
+
   MCSymbol *Label = BC.Ctx->createNamedTempSymbol();
   Labels[Offset] = Label;
 
@@ -1994,7 +1993,7 @@ void BinaryFunction::postProcessJumpTables() {
       if (IsBuiltinUnreachable) {
         BinaryFunction *TargetBF = BC.getBinaryFunctionAtAddress(EntryAddress);
         MCSymbol *Label = TargetBF ? TargetBF->getSymbol()
-                                   : getOrCreateLocalLabel(EntryAddress, true);
+                                   : getOrCreateLocalLabel(EntryAddress);
         JT.Entries.push_back(Label);
         continue;
       }
@@ -2005,7 +2004,7 @@ void BinaryFunction::postProcessJumpTables() {
           BC.getBinaryFunctionContainingAddress(EntryAddress);
       MCSymbol *Label;
       if (HasOneParent && TargetBF == this) {
-        Label = getOrCreateLocalLabel(EntryAddress, true);
+        Label = getOrCreateLocalLabel(EntryAddress);
       } else {
         const uint64_t Offset = EntryAddress - TargetBF->getAddress();
         Label = Offset ? TargetBF->addEntryPointAtOffset(Offset)

bolt/lib/Passes/BinaryPasses.cpp

@@ -346,13 +346,16 @@ void EliminateUnreachableBlocks::runOnFunction(BinaryFunction &Function) {
   uint64_t Bytes;
   Function.markUnreachableBlocks();
   LLVM_DEBUG({
+    bool HasInvalidBB = false;
     for (BinaryBasicBlock &BB : Function) {
       if (!BB.isValid()) {
+        HasInvalidBB = true;
         dbgs() << "BOLT-INFO: UCE found unreachable block " << BB.getName()
                << " in function " << Function << "\n";
-        Function.dump();
       }
     }
+    if (HasInvalidBB)
+      Function.dump();
   });
   BinaryContext::IndependentCodeEmitter Emitter =
       BC.createIndependentMCCodeEmitter();