Add acosf16() function

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

@@ -37,7 +37,7 @@ jobs:
   stage1:
     if: github.repository_owner == 'llvm'
     runs-on: libcxx-self-hosted-linux
-    container: ghcr.io/llvm/libcxx-linux-builder:d8a0709b1090350a7fe3604d8ab78c7d62f10698
+    container: ghcr.io/llvm/libcxx-linux-builder:b319dfef21f6c7b0bc6a356d6b9f41a3b3b98ae9
     continue-on-error: false
     strategy:
       fail-fast: false
@@ -48,8 +48,8 @@ jobs:
           'generic-cxx26',
           'generic-modules'
         ]
-        cc: [  'clang-20' ]
-        cxx: [ 'clang++-20' ]
+        cc: [  'clang-21' ]
+        cxx: [ 'clang++-21' ]
         include:
           - config: 'generic-gcc'
             cc: 'gcc-14'
@@ -75,7 +75,7 @@ jobs:
   stage2:
     if: github.repository_owner == 'llvm'
     runs-on: libcxx-self-hosted-linux
-    container: ghcr.io/llvm/libcxx-linux-builder:d8a0709b1090350a7fe3604d8ab78c7d62f10698
+    container: ghcr.io/llvm/libcxx-linux-builder:b319dfef21f6c7b0bc6a356d6b9f41a3b3b98ae9
     needs: [ stage1 ]
     continue-on-error: false
     strategy:
@@ -88,18 +88,22 @@ jobs:
           'generic-cxx20',
           'generic-cxx23'
         ]
-        cc: [ 'clang-20' ]
-        cxx: [ 'clang++-20' ]
+        cc: [ 'clang-21' ]
+        cxx: [ 'clang++-21' ]
         include:
           - config: 'generic-gcc-cxx11'
             cc: 'gcc-14'
             cxx: 'g++-14'
-          - config: 'generic-cxx23'
-            cc: 'clang-18'
-            cxx: 'clang++-18'
+          - config: 'generic-cxx26'
+            cc: 'clang-20'
+            cxx: 'clang++-20'
           - config: 'generic-cxx26'
             cc: 'clang-19'
             cxx: 'clang++-19'
+          # Release transition
+          - config: 'generic-cxx23'
+            cc: 'clang-18'
+            cxx: 'clang++-18'
     steps:
       - uses: actions/checkout@v4
       - name: ${{ matrix.config }}
@@ -163,14 +167,14 @@ jobs:
         - config: 'generic-msan'
           machine: libcxx-self-hosted-linux
     runs-on: ${{ matrix.machine }}
-    container: ghcr.io/llvm/libcxx-linux-builder:d8a0709b1090350a7fe3604d8ab78c7d62f10698
+    container: ghcr.io/llvm/libcxx-linux-builder:b319dfef21f6c7b0bc6a356d6b9f41a3b3b98ae9
     steps:
       - uses: actions/checkout@v4
       - name: ${{ matrix.config }}
         run: libcxx/utils/ci/run-buildbot ${{ matrix.config }}
         env:
-          CC: clang-20
-          CXX: clang++-20
+          CC: clang-21
+          CXX: clang++-21
       - uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0
         if: always()
         with:

bolt/CMakeLists.txt

@@ -202,3 +202,11 @@ endif()
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/include/bolt/RuntimeLibs/RuntimeLibraryVariables.inc.in
                ${CMAKE_CURRENT_BINARY_DIR}/include/bolt/RuntimeLibs/RuntimeLibraryVariables.inc @ONLY)
+
+set(BOLT_ENUM_TARGETS "")
+foreach(t ${BOLT_TARGETS_TO_BUILD})
+  set(BOLT_ENUM_TARGETS "${BOLT_ENUM_TARGETS}BOLT_TARGET(${t})\n")
+endforeach(t)
+
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/include/bolt/Core/TargetConfig.def.in
+               ${CMAKE_CURRENT_BINARY_DIR}/include/bolt/Core/TargetConfig.def @ONLY)

bolt/include/bolt/Core/TargetConfig.def.in

@@ -0,0 +1,23 @@
+//===-- TargetConfig.def.in - Information about available targets ---------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is configured by the build system to define the available bolt
+// targets.
+//
+// The variant of this file not ending with .in has been autogenerated by the
+// LLVM build. Do not edit!
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef BOLT_TARGET
+#  error Please define the macro BOLT_TARGET(TargetName)
+#endif
+
+@BOLT_ENUM_TARGETS@
+
+#undef BOLT_TARGET

bolt/tools/binary-analysis/CMakeLists.txt

@@ -1,5 +1,5 @@
 set(LLVM_LINK_COMPONENTS
-  ${LLVM_TARGETS_TO_BUILD}
+  ${BOLT_TARGETS_TO_BUILD}
   MC
   Object
   Support

bolt/tools/binary-analysis/binary-analysis.cpp

@@ -88,13 +88,15 @@ int main(int argc, char **argv) {
   llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
 
   // Initialize targets and assembly printers/parsers.
-  llvm::InitializeAllTargetInfos();
-  llvm::InitializeAllTargetMCs();
-  llvm::InitializeAllAsmParsers();
-  llvm::InitializeAllDisassemblers();
-
-  llvm::InitializeAllTargets();
-  llvm::InitializeAllAsmPrinters();
+#define BOLT_TARGET(target)                                                    \
+  LLVMInitialize##target##TargetInfo();                                        \
+  LLVMInitialize##target##TargetMC();                                          \
+  LLVMInitialize##target##AsmParser();                                         \
+  LLVMInitialize##target##Disassembler();                                      \
+  LLVMInitialize##target##Target();                                            \
+  LLVMInitialize##target##AsmPrinter();
+
+#include "bolt/Core/TargetConfig.def"
 
   ParseCommandLine(argc, argv);
 

bolt/tools/driver/CMakeLists.txt

@@ -1,5 +1,5 @@
 set(LLVM_LINK_COMPONENTS
-  ${LLVM_TARGETS_TO_BUILD}
+  ${BOLT_TARGETS_TO_BUILD}
   MC
   Object
   Support

bolt/tools/driver/llvm-bolt.cpp

@@ -183,13 +183,15 @@ int main(int argc, char **argv) {
   std::string ToolPath = llvm::sys::fs::getMainExecutable(argv[0], nullptr);
 
   // Initialize targets and assembly printers/parsers.
-  llvm::InitializeAllTargetInfos();
-  llvm::InitializeAllTargetMCs();
-  llvm::InitializeAllAsmParsers();
-  llvm::InitializeAllDisassemblers();
-
-  llvm::InitializeAllTargets();
-  llvm::InitializeAllAsmPrinters();
+#define BOLT_TARGET(target)                                                    \
+  LLVMInitialize##target##TargetInfo();                                        \
+  LLVMInitialize##target##TargetMC();                                          \
+  LLVMInitialize##target##AsmParser();                                         \
+  LLVMInitialize##target##Disassembler();                                      \
+  LLVMInitialize##target##Target();                                            \
+  LLVMInitialize##target##AsmPrinter();
+
+#include "bolt/Core/TargetConfig.def"
 
   ToolName = argv[0];
 

bolt/tools/heatmap/CMakeLists.txt

@@ -1,5 +1,5 @@
 set(LLVM_LINK_COMPONENTS
-  ${LLVM_TARGETS_TO_BUILD}
+  ${BOLT_TARGETS_TO_BUILD}
   MC
   Object
   Support

bolt/tools/heatmap/heatmap.cpp

@@ -76,13 +76,15 @@ int main(int argc, char **argv) {
     opts::OutputFilename = "-";
 
   // Initialize targets and assembly printers/parsers.
-  llvm::InitializeAllTargetInfos();
-  llvm::InitializeAllTargetMCs();
-  llvm::InitializeAllAsmParsers();
-  llvm::InitializeAllDisassemblers();
-
-  llvm::InitializeAllTargets();
-  llvm::InitializeAllAsmPrinters();
+#define BOLT_TARGET(target)                                                    \
+  LLVMInitialize##target##TargetInfo();                                        \
+  LLVMInitialize##target##TargetMC();                                          \
+  LLVMInitialize##target##AsmParser();                                         \
+  LLVMInitialize##target##Disassembler();                                      \
+  LLVMInitialize##target##Target();                                            \
+  LLVMInitialize##target##AsmPrinter();
+
+#include "bolt/Core/TargetConfig.def"
 
   ToolName = argv[0];
   std::string ToolPath = GetExecutablePath(argv[0]);

bolt/tools/llvm-bolt-fuzzer/CMakeLists.txt

@@ -1,5 +1,5 @@
 set(LLVM_LINK_COMPONENTS
-  ${LLVM_TARGETS_TO_BUILD}
+  ${BOLT_TARGETS_TO_BUILD}
   )
 
 add_llvm_fuzzer(llvm-bolt-fuzzer

bolt/tools/llvm-bolt-fuzzer/llvm-bolt-fuzzer.cpp

@@ -58,13 +58,16 @@ extern "C" int LLVMFuzzerTestOneInput(const char *Data, size_t Size) {
 
 extern "C" LLVM_ATTRIBUTE_USED int LLVMFuzzerInitialize(int *argc,
                                                         char ***argv) {
-  llvm::InitializeAllTargetInfos();
-  llvm::InitializeAllTargetMCs();
-  llvm::InitializeAllAsmParsers();
-  llvm::InitializeAllDisassemblers();
+  // Initialize targets and assembly printers/parsers.
+#define BOLT_TARGET(target)                                                    \
+  LLVMInitialize##target##TargetInfo();                                        \
+  LLVMInitialize##target##TargetMC();                                          \
+  LLVMInitialize##target##AsmParser();                                         \
+  LLVMInitialize##target##Disassembler();                                      \
+  LLVMInitialize##target##Target();                                            \
+  LLVMInitialize##target##AsmPrinter();
 
-  llvm::InitializeAllTargets();
-  llvm::InitializeAllAsmPrinters();
+#include "bolt/Core/TargetConfig.def"
 
   return 0;
 }

bolt/unittests/Core/BinaryContext.cpp

@@ -27,12 +27,15 @@ struct BinaryContextTester : public testing::TestWithParam<Triple::ArchType> {
 
 protected:
   void initalizeLLVM() {
-    llvm::InitializeAllTargetInfos();
-    llvm::InitializeAllTargetMCs();
-    llvm::InitializeAllAsmParsers();
-    llvm::InitializeAllDisassemblers();
-    llvm::InitializeAllTargets();
-    llvm::InitializeAllAsmPrinters();
+#define BOLT_TARGET(target)                                                    \
+  LLVMInitialize##target##TargetInfo();                                        \
+  LLVMInitialize##target##TargetMC();                                          \
+  LLVMInitialize##target##AsmParser();                                         \
+  LLVMInitialize##target##Disassembler();                                      \
+  LLVMInitialize##target##Target();                                            \
+  LLVMInitialize##target##AsmPrinter();
+
+#include "bolt/Core/TargetConfig.def"
   }
 
   void prepareElf() {

bolt/unittests/Core/CMakeLists.txt

@@ -2,7 +2,7 @@ set(LLVM_LINK_COMPONENTS
   DebugInfoDWARF
   Object
   MC
-  ${LLVM_TARGETS_TO_BUILD}
+  ${BOLT_TARGETS_TO_BUILD}
   )
 
 add_bolt_unittest(CoreTests

bolt/unittests/Core/MCPlusBuilder.cpp

@@ -37,12 +37,15 @@ struct MCPlusBuilderTester : public testing::TestWithParam<Triple::ArchType> {
 
 protected:
   void initalizeLLVM() {
-    llvm::InitializeAllTargetInfos();
-    llvm::InitializeAllTargetMCs();
-    llvm::InitializeAllAsmParsers();
-    llvm::InitializeAllDisassemblers();
-    llvm::InitializeAllTargets();
-    llvm::InitializeAllAsmPrinters();
+#define BOLT_TARGET(target)                                                    \
+  LLVMInitialize##target##TargetInfo();                                        \
+  LLVMInitialize##target##TargetMC();                                          \
+  LLVMInitialize##target##AsmParser();                                         \
+  LLVMInitialize##target##Disassembler();                                      \
+  LLVMInitialize##target##Target();                                            \
+  LLVMInitialize##target##AsmPrinter();
+
+#include "bolt/Core/TargetConfig.def"
   }
 
   void prepareElf() {

bolt/unittests/Core/MemoryMaps.cpp

@@ -38,12 +38,15 @@ struct MemoryMapsTester : public testing::TestWithParam<Triple::ArchType> {
 
 protected:
   void initalizeLLVM() {
-    llvm::InitializeAllTargetInfos();
-    llvm::InitializeAllTargetMCs();
-    llvm::InitializeAllAsmParsers();
-    llvm::InitializeAllDisassemblers();
-    llvm::InitializeAllTargets();
-    llvm::InitializeAllAsmPrinters();
+#define BOLT_TARGET(target)                                                    \
+  LLVMInitialize##target##TargetInfo();                                        \
+  LLVMInitialize##target##TargetMC();                                          \
+  LLVMInitialize##target##AsmParser();                                         \
+  LLVMInitialize##target##Disassembler();                                      \
+  LLVMInitialize##target##Target();                                            \
+  LLVMInitialize##target##AsmPrinter();
+
+#include "bolt/Core/TargetConfig.def"
   }
 
   void prepareElf() {

clang-tools-extra/clangd/ClangdServer.h

@@ -184,7 +184,7 @@ class ClangdServer {
     bool UseDirtyHeaders = false;
 
     // If true, parse emplace-like functions in the preamble.
-    bool PreambleParseForwardingFunctions = false;
+    bool PreambleParseForwardingFunctions = true;
 
     /// Whether include fixer insertions for Objective-C code should use #import
     /// instead of #include.
@@ -501,7 +501,7 @@ class ClangdServer {
   // Whether the client supports folding only complete lines.
   bool LineFoldingOnly = false;
 
-  bool PreambleParseForwardingFunctions = false;
+  bool PreambleParseForwardingFunctions = true;
 
   bool ImportInsertions = false;
 

clang-tools-extra/clangd/Compiler.h

@@ -40,7 +40,7 @@ class IgnoreDiagnostics : public DiagnosticConsumer {
 
 // Options to run clang e.g. when parsing AST.
 struct ParseOptions {
-  bool PreambleParseForwardingFunctions = false;
+  bool PreambleParseForwardingFunctions = true;
 
   bool ImportInsertions = false;
 };

clang/docs/LanguageExtensions.rst

@@ -2629,7 +2629,7 @@ with the current table size.
 .. code-block:: c++
 
   typedef void (*__funcref funcref_t)();
-  static __funcref table[0];
+  static funcref_t table[0];
 
   size_t getSize() {
     return __builtin_wasm_table_size(table);
@@ -2651,10 +2651,10 @@ or -1. It will return -1 if not enough space could be allocated.
 .. code-block:: c++
 
   typedef void (*__funcref funcref_t)();
-  static __funcref table[0];
+  static funcref_t table[0];
 
   // grow returns the new table size or -1 on error.
-  int grow(__funcref fn, int delta) {
+  int grow(funcref_t fn, int delta) {
     int prevSize = __builtin_wasm_table_grow(table, fn, delta);
     if (prevSize == -1)
       return -1;

clang/docs/ReleaseNotes.rst

@@ -173,6 +173,7 @@ Bug Fixes to C++ Support
 
 Bug Fixes to AST Handling
 ^^^^^^^^^^^^^^^^^^^^^^^^^
+- Fixed type checking when a statement expression ends in an l-value of atomic type. (#GH106576)
 
 Miscellaneous Bug Fixes
 ^^^^^^^^^^^^^^^^^^^^^^^

clang/include/clang/AST/DeclBase.h

@@ -492,7 +492,7 @@ class alignas(8) Decl {
   /// perform non-Decl specific checks based on the object's type and strict
   /// flex array level.
   static bool isFlexibleArrayMemberLike(
-      ASTContext &Context, const Decl *D, QualType Ty,
+      const ASTContext &Context, const Decl *D, QualType Ty,
       LangOptions::StrictFlexArraysLevelKind StrictFlexArraysLevel,
       bool IgnoreTemplateOrMacroSubstitution);