Use --as-needed when adding libzircon

Created using spr 1.3.4

Author: ilovepi

.ci/generate_test_report.py

@@ -28,11 +28,16 @@ if [[ -n "${CLEAR_CACHE:-}" ]]; then
   ccache --clear
 fi
 
-function show-stats {
+function at-exit {
   mkdir -p artifacts
   ccache --print-stats > artifacts/ccache_stats.txt
+
+  # If building fails there will be no results files.
+  shopt -s nullglob
+  python3 "${MONOREPO_ROOT}"/.ci/generate_test_report.py ":linux: Linux x64 Test Results" \
+    "linux-x64-test-results" "${BUILD_DIR}"/test-results.*.xml
 }
-trap show-stats EXIT
+trap at-exit EXIT
 
 projects="${1}"
 targets="${2}"
@@ -42,6 +47,7 @@ lit_args="-v --xunit-xml-output ${BUILD_DIR}/test-results.xml --use-unique-outpu
 echo "--- cmake"
 pip install -q -r "${MONOREPO_ROOT}"/mlir/python/requirements.txt
 pip install -q -r "${MONOREPO_ROOT}"/lldb/test/requirements.txt
+pip install -q -r "${MONOREPO_ROOT}"/.ci/requirements.txt
 cmake -S "${MONOREPO_ROOT}"/llvm -B "${BUILD_DIR}" \
       -D LLVM_ENABLE_PROJECTS="${projects}" \
       -G Ninja \

.ci/monolithic-linux.sh

@@ -27,17 +27,23 @@ if [[ -n "${CLEAR_CACHE:-}" ]]; then
 fi
 
 sccache --zero-stats
-function show-stats {
+function at-exit {
   mkdir -p artifacts
   sccache --show-stats >> artifacts/sccache_stats.txt
+
+  # If building fails there will be no results files.
+  shopt -s nullglob
+  python "${MONOREPO_ROOT}"/.ci/generate_test_report.py ":windows: Windows x64 Test Results" \
+    "windows-x64-test-results" "${BUILD_DIR}"/test-results.*.xml
 }
-trap show-stats EXIT
+trap at-exit EXIT
 
 projects="${1}"
 targets="${2}"
 
 echo "--- cmake"
 pip install -q -r "${MONOREPO_ROOT}"/mlir/python/requirements.txt
+pip install -q -r "${MONOREPO_ROOT}"/.ci/requirements.txt
 
 # The CMAKE_*_LINKER_FLAGS to disable the manifest come from research
 # on fixing a build reliability issue on the build server, please

.ci/monolithic-windows.sh

@@ -0,0 +1 @@
+junitparser==3.2.0

.ci/requirements.txt

@@ -587,6 +587,12 @@ llvm:ir:
   - llvm/docs/LangRef.rst
   - llvm/unittests/IR/**
 
+llvm:SandboxIR:
+  - llvm/lib/SandboxIR/**
+  - llvm/include/llvm/SandboxIR/**
+  - llvm/docs/SandboxIR.md
+  - llvm/unittests/SandboxIR/**
+
 llvm:analysis:
   - llvm/lib/Analysis/**
   - llvm/include/llvm/Analysis/**

.github/new-prs-labeler.yml

@@ -43,17 +43,14 @@ class CFIReaderWriter {
 
   /// Generate .eh_frame_hdr from old and new .eh_frame sections.
   ///
-  /// Take FDEs from the \p NewEHFrame unless their initial_pc is listed
-  /// in \p FailedAddresses. All other entries are taken from the
+  /// Take FDEs from the \p NewEHFrame. All other entries are taken from the
   /// \p OldEHFrame.
   ///
   /// \p EHFrameHeaderAddress specifies location of .eh_frame_hdr,
   /// and is required for relative addressing used in the section.
-  std::vector<char>
-  generateEHFrameHeader(const DWARFDebugFrame &OldEHFrame,
-                        const DWARFDebugFrame &NewEHFrame,
-                        uint64_t EHFrameHeaderAddress,
-                        std::vector<uint64_t> &FailedAddresses) const;
+  std::vector<char> generateEHFrameHeader(const DWARFDebugFrame &OldEHFrame,
+                                          const DWARFDebugFrame &NewEHFrame,
+                                          uint64_t EHFrameHeaderAddress) const;
 
   using FDEsMap = std::map<uint64_t, const dwarf::FDE *>;
 

bolt/include/bolt/Core/Exceptions.h

@@ -1536,6 +1536,14 @@ class MCPlusBuilder {
     llvm_unreachable("not implemented");
   }
 
+  /// Match function \p BF to a long veneer for absolute code. Return true if
+  /// the match was successful and populate \p TargetAddress with an address of
+  /// the function veneer jumps to.
+  virtual bool matchAbsLongVeneer(const BinaryFunction &BF,
+                                  uint64_t &TargetAddress) const {
+    llvm_unreachable("not implemented");
+  }
+
   virtual bool matchAdrpAddPair(const MCInst &Adrp, const MCInst &Add) const {
     llvm_unreachable("not implemented");
     return false;

bolt/include/bolt/Core/MCPlusBuilder.h

@@ -556,14 +556,6 @@ class RewriteInstance {
     return ErrOrSection ? &ErrOrSection.get() : nullptr;
   }
 
-  /// Keep track of functions we fail to write in the binary. We need to avoid
-  /// rewriting CFI info for these functions.
-  std::vector<uint64_t> FailedAddresses;
-
-  /// Keep track of which functions didn't fit in their original space in the
-  /// last emission, so that we may either decide to split or not optimize them.
-  std::set<uint64_t> LargeFunctions;
-
   /// Section header string table.
   StringTableBuilder SHStrTab;
 

bolt/include/bolt/Rewrite/RewriteInstance.h

@@ -108,8 +108,7 @@ Error BinaryFunction::parseLSDA(ArrayRef<uint8_t> LSDASectionData,
   DWARFDataExtractor Data(
       StringRef(reinterpret_cast<const char *>(LSDASectionData.data()),
                 LSDASectionData.size()),
-      BC.DwCtx->getDWARFObj().isLittleEndian(),
-      BC.DwCtx->getDWARFObj().getAddressSize());
+      BC.AsmInfo->isLittleEndian(), BC.AsmInfo->getCodePointerSize());
   uint64_t Offset = getLSDAAddress() - LSDASectionAddress;
   assert(Data.isValidOffset(Offset) && "wrong LSDA address");
 
@@ -666,16 +665,13 @@ bool CFIReaderWriter::fillCFIInfoFor(BinaryFunction &Function) const {
   return true;
 }
 
-std::vector<char> CFIReaderWriter::generateEHFrameHeader(
-    const DWARFDebugFrame &OldEHFrame, const DWARFDebugFrame &NewEHFrame,
-    uint64_t EHFrameHeaderAddress,
-    std::vector<uint64_t> &FailedAddresses) const {
+std::vector<char>
+CFIReaderWriter::generateEHFrameHeader(const DWARFDebugFrame &OldEHFrame,
+                                       const DWARFDebugFrame &NewEHFrame,
+                                       uint64_t EHFrameHeaderAddress) const {
   // Common PC -> FDE map to be written into .eh_frame_hdr.
   std::map<uint64_t, uint64_t> PCToFDE;
 
-  // Presort array for binary search.
-  llvm::sort(FailedAddresses);
-
   // Initialize PCToFDE using NewEHFrame.
   for (dwarf::FrameEntry &Entry : NewEHFrame.entries()) {
     const dwarf::FDE *FDE = dyn_cast<dwarf::FDE>(&Entry);
@@ -690,13 +686,7 @@ std::vector<char> CFIReaderWriter::generateEHFrameHeader(
       continue;
 
     // Add the address to the map unless we failed to write it.
-    if (!std::binary_search(FailedAddresses.begin(), FailedAddresses.end(),
-                            FuncAddress)) {
-      LLVM_DEBUG(dbgs() << "BOLT-DEBUG: FDE for function at 0x"
-                        << Twine::utohexstr(FuncAddress) << " is at 0x"
-                        << Twine::utohexstr(FDEAddress) << '\n');
-      PCToFDE[FuncAddress] = FDEAddress;
-    }
+    PCToFDE[FuncAddress] = FDEAddress;
   };
 
   LLVM_DEBUG(dbgs() << "BOLT-DEBUG: new .eh_frame contains "

bolt/lib/Core/Exceptions.cpp

@@ -588,10 +588,18 @@ Error CheckLargeFunctions::runOnFunctions(BinaryContext &BC) {
     uint64_t HotSize, ColdSize;
     std::tie(HotSize, ColdSize) =
         BC.calculateEmittedSize(BF, /*FixBranches=*/false);
-    if (HotSize > BF.getMaxSize()) {
+    uint64_t MainFragmentSize = HotSize;
+    if (BF.hasIslandsInfo()) {
+      MainFragmentSize +=
+          offsetToAlignment(BF.getAddress() + MainFragmentSize,
+                            Align(BF.getConstantIslandAlignment()));
+      MainFragmentSize += BF.estimateConstantIslandSize();
+    }
+    if (MainFragmentSize > BF.getMaxSize()) {
       if (opts::PrintLargeFunctions)
-        BC.outs() << "BOLT-INFO: " << BF << " size exceeds allocated space by "
-                  << (HotSize - BF.getMaxSize()) << " bytes\n";
+        BC.outs() << "BOLT-INFO: " << BF << " size of " << MainFragmentSize
+                  << " bytes exceeds allocated space by "
+                  << (MainFragmentSize - BF.getMaxSize()) << " bytes\n";
       BF.setSimple(false);
     }
   };