Bump to llvm upstream (2024-01-01)

.git-blame-ignore-revs

@@ -70,3 +70,6 @@ f6d557ee34b6bbdb1dc32f29e34b4a4a8ad35e81
 
 # [libc++] Replace uses of _VSTD:: by std:: (#74331)
 77a00c0d546cd4aa8311b5b9031ae9ea8cdb050c
+
+# [libc++] Format the code base (#74334)
+9783f28cbb155e4a8d49c12e1c60ce14dcfaf0c7

.gitattributes

@@ -0,0 +1,142 @@
+libcxx/src/**/*.cpp     merge=libcxx-reformat
+libcxx/include/**/*.h   merge=libcxx-reformat
+
+# Explicitly handle files with no extension
+libcxx/include/__availability               merge=libcxx-reformat
+libcxx/include/__bit_reference              merge=libcxx-reformat
+libcxx/include/__config                     merge=libcxx-reformat
+libcxx/include/__hash_table                 merge=libcxx-reformat
+libcxx/include/__locale                     merge=libcxx-reformat
+libcxx/include/__node_handle                merge=libcxx-reformat
+libcxx/include/__split_buffer               merge=libcxx-reformat
+libcxx/include/__std_clang_module           merge=libcxx-reformat
+libcxx/include/__threading_support          merge=libcxx-reformat
+libcxx/include/__tree                       merge=libcxx-reformat
+libcxx/include/__verbose_abort              merge=libcxx-reformat
+libcxx/include/algorithm                    merge=libcxx-reformat
+libcxx/include/any                          merge=libcxx-reformat
+libcxx/include/array                        merge=libcxx-reformat
+libcxx/include/atomic                       merge=libcxx-reformat
+libcxx/include/barrier                      merge=libcxx-reformat
+libcxx/include/bit                          merge=libcxx-reformat
+libcxx/include/bitset                       merge=libcxx-reformat
+libcxx/include/cassert                      merge=libcxx-reformat
+libcxx/include/ccomplex                     merge=libcxx-reformat
+libcxx/include/cctype                       merge=libcxx-reformat
+libcxx/include/cerrno                       merge=libcxx-reformat
+libcxx/include/cfenv                        merge=libcxx-reformat
+libcxx/include/cfloat                       merge=libcxx-reformat
+libcxx/include/charconv                     merge=libcxx-reformat
+libcxx/include/chrono                       merge=libcxx-reformat
+libcxx/include/cinttypes                    merge=libcxx-reformat
+libcxx/include/ciso646                      merge=libcxx-reformat
+libcxx/include/climits                      merge=libcxx-reformat
+libcxx/include/clocale                      merge=libcxx-reformat
+libcxx/include/cmath                        merge=libcxx-reformat
+libcxx/include/codecvt                      merge=libcxx-reformat
+libcxx/include/compare                      merge=libcxx-reformat
+libcxx/include/complex                      merge=libcxx-reformat
+libcxx/include/concepts                     merge=libcxx-reformat
+libcxx/include/condition_variable           merge=libcxx-reformat
+libcxx/include/coroutine                    merge=libcxx-reformat
+libcxx/include/csetjmp                      merge=libcxx-reformat
+libcxx/include/csignal                      merge=libcxx-reformat
+libcxx/include/cstdarg                      merge=libcxx-reformat
+libcxx/include/cstdbool                     merge=libcxx-reformat
+libcxx/include/cstddef                      merge=libcxx-reformat
+libcxx/include/cstdint                      merge=libcxx-reformat
+libcxx/include/cstdio                       merge=libcxx-reformat
+libcxx/include/cstdlib                      merge=libcxx-reformat
+libcxx/include/cstring                      merge=libcxx-reformat
+libcxx/include/ctgmath                      merge=libcxx-reformat
+libcxx/include/ctime                        merge=libcxx-reformat
+libcxx/include/cuchar                       merge=libcxx-reformat
+libcxx/include/cwchar                       merge=libcxx-reformat
+libcxx/include/cwctype                      merge=libcxx-reformat
+libcxx/include/deque                        merge=libcxx-reformat
+libcxx/include/exception                    merge=libcxx-reformat
+libcxx/include/execution                    merge=libcxx-reformat
+libcxx/include/expected                     merge=libcxx-reformat
+libcxx/include/experimental/__config        merge=libcxx-reformat
+libcxx/include/experimental/__memory        merge=libcxx-reformat
+libcxx/include/experimental/deque           merge=libcxx-reformat
+libcxx/include/experimental/forward_list    merge=libcxx-reformat
+libcxx/include/experimental/iterator        merge=libcxx-reformat
+libcxx/include/experimental/list            merge=libcxx-reformat
+libcxx/include/experimental/map             merge=libcxx-reformat
+libcxx/include/experimental/memory          merge=libcxx-reformat
+libcxx/include/experimental/memory_resource merge=libcxx-reformat
+libcxx/include/experimental/propagate_const merge=libcxx-reformat
+libcxx/include/experimental/regex           merge=libcxx-reformat
+libcxx/include/experimental/set             merge=libcxx-reformat
+libcxx/include/experimental/simd            merge=libcxx-reformat
+libcxx/include/experimental/string          merge=libcxx-reformat
+libcxx/include/experimental/type_traits     merge=libcxx-reformat
+libcxx/include/experimental/unordered_map   merge=libcxx-reformat
+libcxx/include/experimental/unordered_set   merge=libcxx-reformat
+libcxx/include/experimental/utility         merge=libcxx-reformat
+libcxx/include/experimental/vector          merge=libcxx-reformat
+libcxx/include/ext/__hash                   merge=libcxx-reformat
+libcxx/include/ext/hash_map                 merge=libcxx-reformat
+libcxx/include/ext/hash_set                 merge=libcxx-reformat
+libcxx/include/filesystem                   merge=libcxx-reformat
+libcxx/include/format                       merge=libcxx-reformat
+libcxx/include/forward_list                 merge=libcxx-reformat
+libcxx/include/fstream                      merge=libcxx-reformat
+libcxx/include/functional                   merge=libcxx-reformat
+libcxx/include/future                       merge=libcxx-reformat
+libcxx/include/initializer_list             merge=libcxx-reformat
+libcxx/include/iomanip                      merge=libcxx-reformat
+libcxx/include/ios                          merge=libcxx-reformat
+libcxx/include/iosfwd                       merge=libcxx-reformat
+libcxx/include/iostream                     merge=libcxx-reformat
+libcxx/include/istream                      merge=libcxx-reformat
+libcxx/include/iterator                     merge=libcxx-reformat
+libcxx/include/latch                        merge=libcxx-reformat
+libcxx/include/limits                       merge=libcxx-reformat
+libcxx/include/list                         merge=libcxx-reformat
+libcxx/include/locale                       merge=libcxx-reformat
+libcxx/include/map                          merge=libcxx-reformat
+libcxx/include/mdspan                       merge=libcxx-reformat
+libcxx/include/memory                       merge=libcxx-reformat
+libcxx/include/memory_resource              merge=libcxx-reformat
+libcxx/include/mutex                        merge=libcxx-reformat
+libcxx/include/new                          merge=libcxx-reformat
+libcxx/include/numbers                      merge=libcxx-reformat
+libcxx/include/numeric                      merge=libcxx-reformat
+libcxx/include/optional                     merge=libcxx-reformat
+libcxx/include/ostream                      merge=libcxx-reformat
+libcxx/include/print                        merge=libcxx-reformat
+libcxx/include/queue                        merge=libcxx-reformat
+libcxx/include/random                       merge=libcxx-reformat
+libcxx/include/ranges                       merge=libcxx-reformat
+libcxx/include/ratio                        merge=libcxx-reformat
+libcxx/include/regex                        merge=libcxx-reformat
+libcxx/include/scoped_allocator             merge=libcxx-reformat
+libcxx/include/semaphore                    merge=libcxx-reformat
+libcxx/include/set                          merge=libcxx-reformat
+libcxx/include/shared_mutex                 merge=libcxx-reformat
+libcxx/include/source_location              merge=libcxx-reformat
+libcxx/include/span                         merge=libcxx-reformat
+libcxx/include/sstream                      merge=libcxx-reformat
+libcxx/include/stack                        merge=libcxx-reformat
+libcxx/include/stdexcept                    merge=libcxx-reformat
+libcxx/include/stop_token                   merge=libcxx-reformat
+libcxx/include/streambuf                    merge=libcxx-reformat
+libcxx/include/string                       merge=libcxx-reformat
+libcxx/include/string_view                  merge=libcxx-reformat
+libcxx/include/strstream                    merge=libcxx-reformat
+libcxx/include/syncstream                   merge=libcxx-reformat
+libcxx/include/system_error                 merge=libcxx-reformat
+libcxx/include/thread                       merge=libcxx-reformat
+libcxx/include/tuple                        merge=libcxx-reformat
+libcxx/include/type_traits                  merge=libcxx-reformat
+libcxx/include/typeindex                    merge=libcxx-reformat
+libcxx/include/typeinfo                     merge=libcxx-reformat
+libcxx/include/unordered_map                merge=libcxx-reformat
+libcxx/include/unordered_set                merge=libcxx-reformat
+libcxx/include/utility                      merge=libcxx-reformat
+libcxx/include/valarray                     merge=libcxx-reformat
+libcxx/include/variant                      merge=libcxx-reformat
+libcxx/include/vector                       merge=libcxx-reformat
+libcxx/include/version                      merge=libcxx-reformat

.github/CODEOWNERS

@@ -33,44 +33,67 @@
 
 /lldb/ @JDevlieghere
 
-# Linalg in MLIR.
+# MLIR Interfaces.
+/mlir/include/mlir/Interfaces/TilingInterface.* @MaheshRavishankar @nicolasvasilache
+/mlir/lib/Interfaces/TilingInterface.* @MaheshRavishankar @nicolasvasilache
+/mlir/include/mlir/Interfaces/ValueBoundsOpInterface.* @matthias-springer
+/mlir/lib/Interfaces/ValueBoundsOpInterface.* @matthias-springer
+/mlir/**/ValueBoundsOpInterfaceImpl.* @matthias-springer
+/mlir/include/mlir/Interfaces/RuntimeVerifiableOpInterface.* @matthias-springer
+/mlir/lib/Interfaces/RuntimeVerifiableOpInterface.* @matthias-springer
+/mlir/**/RuntimeVerifiableOpInterfaceImpl.* @matthias-springer
+/mlir/include/mlir/Interfaces/SubsetOpInterface.* @matthias-springer
+/mlir/lib/Interfaces/SubsetOpInterface.* @matthias-springer
+/mlir/**/SubsetOpInterfaceImpl.* @matthias-springer
+/mlir/include/mlir/Interfaces/DestinationStyleOpInterface.* @matthias-springer
+/mlir/lib/Interfaces/DestinationStyleOpInterface.* @matthias-springer
+
+# Bufferization Dialect in MLIR.
+/mlir/include/mlir/Dialect/Bufferization @matthias-springer
+/mlir/lib/Dialect/Bufferization @matthias-springer
+/mlir/**/BufferizableOpInterfaceImpl.* @matthias-springer
+/mlir/Dialect/*/Transforms/Bufferize.cpp @matthias-springer
+
+# Linalg Dialect in MLIR.
 /mlir/include/mlir/Dialect/Linalg @dcaballe @nicolasvasilache
 /mlir/lib/Dialect/Linalg @dcaballe @nicolasvasilache
+/mlir/lib/Dialect/Linalg/Transforms/DecomposeLinalgOps.cpp @MaheshRavishankar @nicolasvasilache
+/mlir/lib/Dialect/Linalg/Transforms/DropUnitDims.cpp @MaheshRavishankar @nicolasvasilache
+/mlir/lib/Dialect/Linalg/Transforms/ElementwiseOpFusion.cpp @MaheshRavishankar @nicolasvasilache
+/mlir/lib/Dialect/Linalg/Transforms/DataLayoutPropagation.cpp @hanhanW @nicolasvasilache
+/mlir/lib/Dialect/Linalg/Transforms/Transforms.cpp @hanhanW @nicolasvasilache
+/mlir/lib/Dialect/Linalg/Transforms/Vectorization.cpp @hanhanW @nicolasvasilache
 
-# Vector in MLIR.
+# MemRef Dialect in MLIR.
+/mlir/lib/Dialect/MemRef/Transforms/EmulateNarrowType.cpp @MaheshRavishankar @nicolasvasilache
+
+# Vector Dialect in MLIR.
 /mlir/**/*AMX* @dcaballe
 /mlir/**/*Neon* @banach-space @dcaballe @nicolasvasilache
 /mlir/**/*SME* @banach-space @dcaballe @nicolasvasilache
 /mlir/**/*SVE* @banach-space @dcaballe @nicolasvasilache
 /mlir/**/*VectorInterfaces* @dcaballe @nicolasvasilache
-/mlir/**/*VectorToSCF* @banach-space @dcaballe @nicolasvasilache
+/mlir/**/*VectorToSCF* @banach-space @dcaballe @nicolasvasilache @matthias-springer
 /mlir/**/*VectorToLLVM* @banach-space @dcaballe @nicolasvasilache
 /mlir/**/*X86Vector* @dcaballe @nicolasvasilache
 /mlir/include/mlir/Dialect/Vector @dcaballe @nicolasvasilache
 /mlir/lib/Dialect/Vector @dcaballe @nicolasvasilache
-
-/mlir/include/mlir/Interfaces/TilingInterface.* @MaheshRavishankar @nicolasvasilache
-
-/mlir/lib/Dialect/Linalg/Transforms/DecomposeLinalgOps.cpp @MaheshRavishankar @nicolasvasilache
-/mlir/lib/Dialect/Linalg/Transforms/DropUnitDims.cpp @MaheshRavishankar @nicolasvasilache
-/mlir/lib/Dialect/Linalg/Transforms/ElementwiseOpFusion.cpp @MaheshRavishankar @nicolasvasilache
-/mlir/lib/Dialect/MemRef/Transforms/EmulateNarrowType.cpp @MaheshRavishankar @nicolasvasilache
 /mlir/lib/Dialect/Vector/Transforms/VectorEmulateNarrowType.cpp @MaheshRavishankar @nicolasvasilache
-/mlir/lib/Interfaces/TilingInterface.* @MaheshRavishankar @nicolasvasilache
-
 /mlir/**/*EmulateNarrowType* @hanhanW
-/mlir/lib/Dialect/Linalg/Transforms/DataLayoutPropagation.cpp @hanhanW @nicolasvasilache
-/mlir/lib/Dialect/Linalg/Transforms/Transforms.cpp @hanhanW @nicolasvasilache
-/mlir/lib/Dialect/Linalg/Transforms/Vectorization.cpp @hanhanW @nicolasvasilache
+/mlir/lib/Dialect/Vector/Transforms/* @hanhanW @nicolasvasilache
+
+# Presburger library in MLIR
+/mlir/**/*Presburger* @Groverkss @Superty
+
+# Tensor Dialect in MLIR.
 /mlir/lib/Dialect/Tensor/IR/TensorTilingInterfaceImpl.cpp @hanhanW @nicolasvasilache
 /mlir/lib/Dialect/Tensor/Transforms/FoldIntoPackAndUnpackPatterns.cpp @hanhanW @nicolasvasilache
-/mlir/lib/Dialect/Vector/Transforms/* @hanhanW @nicolasvasilache
 
 # Transform Dialect in MLIR.
 /mlir/include/mlir/Dialect/Transform/* @ftynse @nicolasvasilache
 /mlir/lib/Dialect/Transform/* @ftynse @nicolasvasilache
 
-# SPIR-V in MLIR.
+# SPIR-V Dialect in MLIR.
 /mlir/**/SPIRV/ @antiagainst @kuhar
 /mlir/**/SPIRVTo*/ @antiagainst @kuhar
 /mlir/**/*ToSPIRV/ @antiagainst @kuhar

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

@@ -185,7 +185,7 @@ jobs:
           std_modules: 'OFF'
         # Use a larger machine for MSAN to avoid timeout and memory allocation issues.
         - config: 'generic-msan'
-          machine: libcxx-runners-32-set
+          machine: libcxx-runners-8-set
           std_modules: 'OFF'
     runs-on: ${{ matrix.machine }}
     steps:

.github/workflows/mlir-tests.yml

@@ -6,7 +6,6 @@ permissions:
 on:
   workflow_dispatch:
   pull_request:
-    ignore-forks: true
     paths:
       - 'mlir/**'
       - '.github/workflows/mlir-tests.yml'

.mailmap

@@ -43,6 +43,7 @@ Martin Storsjö <martin@martin.st>
 Med Ismail Bennani <ismail@bennani.ma> <m.i.b@apple.com>
 Med Ismail Bennani <ismail@bennani.ma> <medismail.bennani@gmail.com>
 Ramkumar Ramachandra <r@artagnon.com> <artagnon@gmail.com>
+Ramkumar Ramachandra <r@artagnon.com> <Ramkumar.Ramachandra@imgtec.com>
 Saleem Abdulrasool <compnerd@compnerd.org>
 Tommy Chiang <ty1208chiang@gmail.com> <oToToT@users.noreply.github.com>
 Wang Pengcheng <wangpengcheng.pp@bytedance.com>

bolt/lib/Core/DIEBuilder.cpp

@@ -266,13 +266,11 @@ void DIEBuilder::buildCompileUnits(const bool Init) {
 }
 void DIEBuilder::buildCompileUnits(const std::vector<DWARFUnit *> &CUs) {
   BuilderState.reset(new State());
-  // Initializing to full size because there could be cross CU references with
-  // different abbrev offsets. LLVM happens to output CUs that have cross CU
-  // references with the same abbrev table. So destinations end up in the first
-  // set, even if they themselves don't have src cross cu ref. We could have
-  // cases where this is not the case. In which case this container needs to be
-  // big enough for all.
-  getState().CloneUnitCtxMap.resize(DwarfContext->getNumCompileUnits());
+  // Allocating enough for current batch being processed.
+  // In real use cases we either processing a batch of CUs with no cross
+  // references, or if they do have them it is due to LTO. With clang they will
+  // share the same abbrev table. In either case this vector will not grow.
+  getState().CloneUnitCtxMap.resize(CUs.size());
   getState().Type = ProcessingType::CUs;
   for (DWARFUnit *CU : CUs)
     registerUnit(*CU, false);
@@ -897,6 +895,10 @@ void DIEBuilder::registerUnit(DWARFUnit &DU, bool NeedSort) {
                 });
   }
   getState().UnitIDMap[getHash(DU)] = getState().DUList.size();
+  // This handles the case where we do have cross cu references, but CUs do not
+  // share the same abbrev table.
+  if (getState().DUList.size() == getState().CloneUnitCtxMap.size())
+    getState().CloneUnitCtxMap.emplace_back();
   getState().DUList.push_back(&DU);
 }