Merge branch 'main' of github.com:llvm/llvm-project into loop-vectorize/single-header-mask

Author: lukel97

.ci/utils.sh

@@ -26,14 +26,15 @@ function at-exit {
   mkdir -p artifacts
   sccache --show-stats >> artifacts/sccache_stats.txt
   cp "${BUILD_DIR}"/.ninja_log artifacts/.ninja_log
+  cp "${MONOREPO_ROOT}"/*.log artifacts/ || :
   cp "${BUILD_DIR}"/test-results.*.xml artifacts/ || :
 
   # If building fails there will be no results files.
   shopt -s nullglob
 
   if [[ "$GITHUB_STEP_SUMMARY" != "" ]]; then
     python "${MONOREPO_ROOT}"/.ci/generate_test_report_github.py \
-      $retcode "${BUILD_DIR}"/test-results.*.xml "${BUILD_DIR}"/ninja*.log \
+      $retcode "${BUILD_DIR}"/test-results.*.xml "${MONOREPO_ROOT}"/ninja*.log \
       >> $GITHUB_STEP_SUMMARY
   fi
 }

clang/bindings/python/clang/cindex.py

@@ -1907,6 +1907,15 @@ def linkage(self) -> LinkageKind:
 
         return LinkageKind.from_id(self._linkage)
 
+    @property
+    @cursor_null_guard
+    def language(self) -> LanguageKind:
+        """Determine the "language" of the entity referred to by a given cursor."""
+        if not hasattr(self, "_language"):
+            self._language = conf.lib.clang_getCursorLanguage(self)
+
+        return LanguageKind.from_id(self._language)
+
     @property
     @cursor_null_guard
     def tls_kind(self) -> TLSKind:
@@ -2584,6 +2593,17 @@ class LinkageKind(BaseEnumeration):
     EXTERNAL = 4
 
 
+class LanguageKind(BaseEnumeration):
+    """
+    Describe the "language" of the entity referred to by a cursor.
+    """
+
+    INVALID = 0
+    C = 1
+    OBJ_C = 2
+    C_PLUS_PLUS = 3
+
+
 class TLSKind(BaseEnumeration):
     """Describes the kind of thread-local storage (TLS) of a cursor."""
 
@@ -4084,6 +4104,7 @@ def set_property(self, property, value):
     ("clang_getCursorDisplayName", [Cursor], _CXString),
     ("clang_getCursorExceptionSpecificationType", [Cursor], c_int),
     ("clang_getCursorExtent", [Cursor], SourceRange),
+    ("clang_getCursorLanguage", [Cursor], c_int),
     ("clang_getCursorLexicalParent", [Cursor], Cursor),
     ("clang_getCursorLinkage", [Cursor], c_int),
     ("clang_getCursorLocation", [Cursor], SourceLocation),

clang/bindings/python/tests/cindex/test_cursor_language.py

@@ -0,0 +1,27 @@
+import os
+
+from clang.cindex import Config, LanguageKind
+
+if "CLANG_LIBRARY_PATH" in os.environ:
+    Config.set_library_path(os.environ["CLANG_LIBRARY_PATH"])
+
+import unittest
+
+from .util import get_cursor, get_tu
+
+
+class TestCursorLanguage(unittest.TestCase):
+    def test_c(self):
+        tu = get_tu("int a;", lang="c")
+        main_func = get_cursor(tu.cursor, "a")
+        self.assertEqual(main_func.language, LanguageKind.C)
+
+    def test_c(self):
+        tu = get_tu("class Cls {};", lang="cpp")
+        main_func = get_cursor(tu.cursor, "Cls")
+        self.assertEqual(main_func.language, LanguageKind.C_PLUS_PLUS)
+
+    def test_obj_c(self):
+        tu = get_tu("@interface If : NSObject", lang="objc")
+        main_func = get_cursor(tu.cursor, "If")
+        self.assertEqual(main_func.language, LanguageKind.OBJ_C)

clang/bindings/python/tests/cindex/test_enums.py

@@ -6,6 +6,7 @@
     BinaryOperator,
     CursorKind,
     ExceptionSpecificationKind,
+    LanguageKind,
     LinkageKind,
     RefQualifierKind,
     StorageClass,
@@ -26,6 +27,7 @@ class TestEnums(unittest.TestCase):
         AccessSpecifier,
         TypeKind,
         RefQualifierKind,
+        LanguageKind,
         LinkageKind,
         TLSKind,
         StorageClass,

clang/docs/LanguageExtensions.rst

@@ -759,7 +759,8 @@ Unless specified otherwise operation(±0) = ±0 and operation(±infinity) = ±in
 
 The integer elementwise intrinsics, including ``__builtin_elementwise_popcount``,
 ``__builtin_elementwise_bitreverse``, ``__builtin_elementwise_add_sat``,
-``__builtin_elementwise_sub_sat`` can be called in a ``constexpr`` context.
+``__builtin_elementwise_sub_sat``, ``__builtin_elementwise_max``,
+``__builtin_elementwise_min`` can be called in a ``constexpr`` context.
 
 No implicit promotion of integer types takes place. The mixing of integer types
 of different sizes and signs is forbidden in binary and ternary builtins.

clang/docs/ReleaseNotes.rst

@@ -124,6 +124,9 @@ Non-comprehensive list of changes in this release
   This feature is enabled by default but can be disabled by compiling with
   ``-fno-sanitize-annotate-debug-info-traps``.
 
+- ``__builtin_elementwise_max`` and ``__builtin_elementwise_min`` functions for integer types can
+  now be used in constant expressions.
+
 New Compiler Flags
 ------------------
 - New option ``-fno-sanitize-annotate-debug-info-traps`` added to disable emitting trap reasons into the debug info when compiling with trapping UBSan (e.g. ``-fsanitize-trap=undefined``).
@@ -295,6 +298,7 @@ Crash and bug fixes
 ^^^^^^^^^^^^^^^^^^^
 - Fixed a crash in the static analyzer that when the expression in an
   ``[[assume(expr)]]`` attribute was enclosed in parentheses.  (#GH151529)
+- Fixed a crash when parsing ``#embed`` parameters with unmatched closing brackets. (#GH152829)
 
 Improvements
 ^^^^^^^^^^^^
@@ -309,6 +313,7 @@ Sanitizers
 
 Python Binding Changes
 ----------------------
+- Exposed `clang_getCursorLanguage` via `Cursor.language`.
 
 OpenMP Support
 --------------

clang/include/clang/AST/ExprCXX.h

@@ -1712,6 +1712,19 @@ class CXXConstructExpr : public Expr {
     CXXConstructExprBits.IsImmediateEscalating = Set;
   }
 
+  /// Returns the WarnUnusedResultAttr that is declared on the callee
+  /// or its return type declaration, together with a NamedDecl that
+  /// refers to the declaration the attribute is attached to.
+  std::pair<const NamedDecl *, const WarnUnusedResultAttr *>
+  getUnusedResultAttr(const ASTContext &Ctx) const {
+    return getUnusedResultAttrImpl(getConstructor(), getType());
+  }
+
+  /// Returns true if this call expression should warn on unused results.
+  bool hasUnusedResultAttr(const ASTContext &Ctx) const {
+    return getUnusedResultAttr(Ctx).second != nullptr;
+  }
+
   SourceLocation getBeginLoc() const LLVM_READONLY;
   SourceLocation getEndLoc() const LLVM_READONLY;
   SourceRange getParenOrBraceRange() const { return ParenOrBraceRange; }

clang/include/clang/Basic/Attr.td

@@ -4932,6 +4932,7 @@ def HLSLResourceBinding: InheritableAttr {
         return SpaceNumber;
       }
       void setImplicitBindingOrderID(uint32_t Value) {
+        assert(!hasImplicitBindingOrderID() && "attribute already has implicit binding order id");
         ImplicitBindingOrderID = Value;
       }
       bool hasImplicitBindingOrderID() const {

clang/include/clang/Basic/Builtins.td

@@ -1300,13 +1300,13 @@ def ElementwiseBitreverse : Builtin {
 
 def ElementwiseMax : Builtin {
   let Spellings = ["__builtin_elementwise_max"];
-  let Attributes = [NoThrow, Const, CustomTypeChecking];
+  let Attributes = [NoThrow, Const, CustomTypeChecking, Constexpr];
   let Prototype = "void(...)";
 }
 
 def ElementwiseMin : Builtin {
   let Spellings = ["__builtin_elementwise_min"];
-  let Attributes = [NoThrow, Const, CustomTypeChecking];
+  let Attributes = [NoThrow, Const, CustomTypeChecking, Constexpr];
   let Prototype = "void(...)";
 }
 

clang/include/clang/Driver/CommonArgs.h

@@ -85,6 +85,8 @@ const char *RelocationModelName(llvm::Reloc::Model Model);
 std::tuple<llvm::Reloc::Model, unsigned, bool>
 ParsePICArgs(const ToolChain &ToolChain, const llvm::opt::ArgList &Args);
 
+bool getStaticPIE(const llvm::opt::ArgList &Args, const ToolChain &TC);
+
 unsigned ParseFunctionAlignment(const ToolChain &TC,
                                 const llvm::opt::ArgList &Args);