merge main into amd-staging (llvm#3105)

Author: z1-cciauto

clang/docs/ReleaseNotes.rst

@@ -36,7 +36,7 @@ Potentially Breaking Changes
 
 - The Objective-C ARC migrator (ARCMigrate) has been removed.
 - Fix missing diagnostics for uses of declarations when performing typename access,
-  such as when performing member access on a '[[deprecated]]' type alias.
+  such as when performing member access on a ``[[deprecated]]`` type alias.
   (#GH58547)
 - For ARM targets when compiling assembly files, the features included in the selected CPU
   or Architecture's FPU are included. If you wish not to use a specific feature,
@@ -969,6 +969,7 @@ Bug Fixes to C++ Support
 - Fix a bug where private access specifier of overloaded function not respected. (#GH107629)
 - Correctly handles calling an explicit object member function template overload set
   through its address (``(&Foo::bar<baz>)()``).
+- Fix a crash when using an explicit object parameter in a non-member function. (#GH113185)
 - Fix a crash when forming an invalid call to an operator with an explicit object member. (#GH147121)
 - Correctly handle allocations in the condition of a ``if constexpr``.(#GH120197) (#GH134820)
 - Fixed a crash when handling invalid member using-declaration in C++20+ mode. (#GH63254)

clang/include/clang/CIR/Dialect/Passes.td

@@ -73,8 +73,8 @@ def CIRFlattenCFG : Pass<"cir-flatten-cfg"> {
 }
 
 def LoweringPrepare : Pass<"cir-lowering-prepare"> {
-  let summary = "Lower to more fine-grained CIR operations before lowering to
-    other dialects";
+  let summary = "Lower to more fine-grained CIR operations before lowering to "
+    "other dialects";
   let description = [{
     This pass does preparation work for lowering to other dialects. For example,
     it may expand the global variable initialziation in a more ABI-friendly form.

clang/include/clang/Sema/DeclSpec.h

@@ -1918,7 +1918,7 @@ class Declarator {
   /// parsed.  This is pushed from the identifier out, which means that element
   /// #0 will be the most closely bound to the identifier, and
   /// DeclTypeInfo.back() will be the least closely bound.
-  SmallVector<DeclaratorChunk, 8> DeclTypeInfo;
+  SmallVector<DeclaratorChunk, 4> DeclTypeInfo;
 
   /// InvalidType - Set by Sema::GetTypeForDeclarator().
   LLVM_PREFERRED_TYPE(bool)

clang/include/clang/Sema/ParsedAttr.h

@@ -678,7 +678,7 @@ class AttributePool {
   friend class AttributeFactory;
   friend class ParsedAttributes;
   AttributeFactory &Factory;
-  llvm::SmallVector<ParsedAttr *> Attrs;
+  llvm::SmallVector<ParsedAttr *, 2> Attrs;
 
   void *allocate(size_t size) {
     return Factory.allocate(size);
@@ -808,7 +808,7 @@ class AttributePool {
 
 class ParsedAttributesView {
   friend class AttributePool;
-  using VecTy = llvm::SmallVector<ParsedAttr *>;
+  using VecTy = llvm::SmallVector<ParsedAttr *, 2>;
   using SizeType = decltype(std::declval<VecTy>().size());
 
 public:

clang/lib/CodeGen/CGObjCGNU.cpp

@@ -1942,8 +1942,9 @@ class CGObjCGNUstep2 : public CGObjCGNUstep {
     // struct objc_class *sibling_class
     classFields.addNullPointer(PtrTy);
     // struct objc_protocol_list *protocols;
-    auto RuntimeProtocols = GetRuntimeProtocolList(classDecl->protocol_begin(),
-                                                   classDecl->protocol_end());
+    auto RuntimeProtocols =
+        GetRuntimeProtocolList(classDecl->all_referenced_protocol_begin(),
+                               classDecl->all_referenced_protocol_end());
     SmallVector<llvm::Constant *, 16> Protocols;
     for (const auto *I : RuntimeProtocols)
       Protocols.push_back(GenerateProtocolRef(I));

clang/lib/Sema/SemaType.cpp

@@ -4860,7 +4860,9 @@ static TypeSourceInfo *GetFullTypeForDeclarator(TypeProcessingState &state,
             S.Diag(First->getBeginLoc(),
                    diag::err_explicit_object_parameter_invalid)
                 << First->getSourceRange();
-
+          // Do let non-member function have explicit parameters
+          // to not break assumptions elsewhere in the code.
+          First->setExplicitObjectParameterLoc(SourceLocation());
           D.setInvalidType();
           AreDeclaratorChunksValid = false;
         }

clang/test/CodeGenObjC/gnustep2-class-exts.m

@@ -0,0 +1,25 @@
+// RUN: %clang_cc1 -triple aarch64-unknown-linux-gnu -fobjc-runtime=gnustep-2.2 -emit-llvm -o - %s | FileCheck %s
+
+@protocol BaseProtocol
+@end
+
+@protocol ExtendedProtocol
+@end
+
+@interface TestClass <BaseProtocol>
+
+-(void) Meth;
+@end
+
+@interface TestClass () <BaseProtocol, ExtendedProtocol>
+@end
+
+@implementation TestClass
+@end
+
+// Check that we emit metadata for both protocols
+// CHECK: @._OBJC_PROTOCOL_ExtendedProtocol = global
+// CHECK: @._OBJC_PROTOCOL_BaseProtocol = global
+
+// Check that we deduplicate the protocol list
+// CHECK: @.objc_protocol_list{{\.[0-9]*}} = internal global { ptr, i64, [2 x ptr] }

clang/test/DebugInfo/KeyInstructions/array-cookie.cpp

@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -gkey-instructions %s -debug-info-kind=line-tables-only -gno-column-info -emit-llvm -o - \
+// RUN: | FileCheck %s
+
+// Array cookie store doesn't need to be a key instruction.
+
+struct a { char c; ~a(); };
+void b() { new a[2]; }
+
+// CHECK:      %call = call {{.*}}ptr @_Znam(i64 noundef 10)
+// CHECK-NEXT: store i64 2, ptr %call, align 8, !dbg [[DBG:!.*]]
+
+// CHECK: [[DBG]] = !DILocation(line: 7, scope: ![[#]])

clang/test/SemaCXX/cxx2b-deducing-this.cpp

@@ -1347,3 +1347,13 @@ int main() {
     // expected-note@#S3-f-cand2 {{candidate function not viable: no known conversion from 'S3' to 'int' for object argument}}
 }
 }
+
+namespace GH113185 {
+
+void Bar(this int) { // expected-note {{candidate function}}
+    // expected-error@-1 {{an explicit object parameter cannot appear in a non-member function}}
+    Bar(0);
+    Bar(); // expected-error {{no matching function for call to 'Bar'}}
+}
+
+}

libclc/CMakeLists.txt

@@ -164,34 +164,14 @@ endif()
 
 list( SORT LIBCLC_TARGETS_TO_BUILD )
 
-# Construct LLVM version define
-set( LLVM_VERSION_DEFINE "-DHAVE_LLVM=0x${LLVM_VERSION_MAJOR}0${LLVM_VERSION_MINOR}" )
-
 # This needs to be set before any target that needs it
 # We need to use LLVM_INCLUDE_DIRS here, because if we are linking to an
 # llvm build directory, this includes $src/llvm/include which is where all the
 # headers are not $build/include/ which is what LLVM_INCLUDE_DIR is set to.
 include_directories( ${LLVM_INCLUDE_DIRS} )
 
-# Setup prepare_builtins tools
-set(LLVM_LINK_COMPONENTS
-  BitReader
-  BitWriter
-  Core
-  IRReader
-  Support
-)
-if( LIBCLC_STANDALONE_BUILD )
-  add_llvm_executable( prepare_builtins utils/prepare-builtins.cpp )
-  set( prepare_builtins_exe prepare_builtins )
-  set( prepare_builtins_target prepare_builtins )
-else()
-  add_llvm_utility( prepare_builtins utils/prepare-builtins.cpp )
-  setup_host_tool( prepare_builtins PREPARE_BUILTINS prepare_builtins_exe prepare_builtins_target )
-endif()
-target_compile_definitions( prepare_builtins PRIVATE ${LLVM_VERSION_DEFINE} )
-# These were not properly reported in early LLVM and we don't need them
-target_compile_options( prepare_builtins PRIVATE -fno-rtti -fno-exceptions )
+# Configure prepare_builtins
+add_subdirectory( utils )
 
 # Setup arch devices
 set( r600--_devices cedar cypress barts cayman )