[clang][PATCH][nfc] Refactor TargetInfo::adjust to pass DiagnosticsEngine to allow diagnostics on target-unsupported options

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D104729

(cherry picked from commit aaba371)

Author: Melanie Blower

clang/include/clang/Basic/TargetInfo.h

@@ -1164,7 +1164,7 @@ class TargetInfo : public virtual TransferrableTargetInfo,
   /// Apply changes to the target information with respect to certain
   /// language options which change the target configuration and adjust
   /// the language based on the target options where applicable.
-  virtual void adjust(LangOptions &Opts);
+  virtual void adjust(DiagnosticsEngine &Diags, LangOptions &Opts);
 
   /// Adjust target options based on codegen options.
   virtual void adjustTargetOptions(const CodeGenOptions &CGOpts,

clang/lib/Basic/TargetInfo.cpp

@@ -347,7 +347,7 @@ bool TargetInfo::isTypeSigned(IntType T) {
 /// Apply changes to the target information with respect to certain
 /// language options which change the target configuration and adjust
 /// the language based on the target options where applicable.
-void TargetInfo::adjust(LangOptions &Opts) {
+void TargetInfo::adjust(DiagnosticsEngine &Diags, LangOptions &Opts) {
   if (Opts.NoBitFieldTypeAlign)
     UseBitFieldTypeAlignment = false;
 

clang/lib/Basic/Targets/AMDGPU.cpp

@@ -358,8 +358,8 @@ AMDGPUTargetInfo::AMDGPUTargetInfo(const llvm::Triple &Triple,
   MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
 }
 
-void AMDGPUTargetInfo::adjust(LangOptions &Opts) {
-  TargetInfo::adjust(Opts);
+void AMDGPUTargetInfo::adjust(DiagnosticsEngine &Diags, LangOptions &Opts) {
+  TargetInfo::adjust(Diags, Opts);
   // ToDo: There are still a few places using default address space as private
   // address space in OpenCL, which needs to be cleaned up, then Opts.OpenCL
   // can be removed from the following line.

clang/lib/Basic/Targets/AMDGPU.h

@@ -93,7 +93,7 @@ class LLVM_LIBRARY_VISIBILITY AMDGPUTargetInfo final : public TargetInfo {
 
   void setAddressSpaceMap(bool DefaultIsPrivate);
 
-  void adjust(LangOptions &Opts) override;
+  void adjust(DiagnosticsEngine &Diags, LangOptions &Opts) override;
 
   uint64_t getPointerWidthV(unsigned AddrSpace) const override {
     if (isR600(getTriple()))

clang/lib/Basic/Targets/PPC.cpp

@@ -606,10 +606,10 @@ void PPCTargetInfo::fillValidCPUList(SmallVectorImpl<StringRef> &Values) const {
   Values.append(std::begin(ValidCPUNames), std::end(ValidCPUNames));
 }
 
-void PPCTargetInfo::adjust(LangOptions &Opts) {
+void PPCTargetInfo::adjust(DiagnosticsEngine &Diags, LangOptions &Opts) {
   if (HasAltivec)
     Opts.AltiVec = 1;
-  TargetInfo::adjust(Opts);
+  TargetInfo::adjust(Diags, Opts);
   if (LongDoubleFormat != &llvm::APFloat::IEEEdouble())
     LongDoubleFormat = Opts.PPCIEEELongDouble
                            ? &llvm::APFloat::IEEEquad()

clang/lib/Basic/Targets/PPC.h

@@ -89,7 +89,7 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public TargetInfo {
   }
 
   // Set the language option for altivec based on our value.
-  void adjust(LangOptions &Opts) override;
+  void adjust(DiagnosticsEngine &Diags, LangOptions &Opts) override;
 
   // Note: GCC recognizes the following additional cpus:
   //  401, 403, 405, 405fp, 440fp, 464, 464fp, 476, 476fp, 505, 740, 801,

clang/lib/Basic/Targets/SPIR.h

@@ -135,8 +135,8 @@ class LLVM_LIBRARY_VISIBILITY SPIRTargetInfo : public TargetInfo {
     AddrSpaceMap = DefaultIsGeneric ? &SPIRDefIsGenMap : &SPIRDefIsPrivMap;
   }
 
-  void adjust(LangOptions &Opts) override {
-    TargetInfo::adjust(Opts);
+  void adjust(DiagnosticsEngine &Diags, LangOptions &Opts) override {
+    TargetInfo::adjust(Diags, Opts);
     // FIXME: SYCL specification considers unannotated pointers and references
     // to be pointing to the generic address space. See section 5.9.3 of
     // SYCL 2020 specification.

clang/lib/Basic/Targets/WebAssembly.cpp

@@ -234,7 +234,8 @@ ArrayRef<Builtin::Info> WebAssemblyTargetInfo::getTargetBuiltins() const {
                                              Builtin::FirstTSBuiltin);
 }
 
-void WebAssemblyTargetInfo::adjust(LangOptions &Opts) {
+void WebAssemblyTargetInfo::adjust(DiagnosticsEngine &Diags,
+                                   LangOptions &Opts) {
   // If the Atomics feature isn't available, turn off POSIXThreads and
   // ThreadModel, so that we don't predefine _REENTRANT or __STDCPP_THREADS__.
   if (!HasAtomics) {

clang/lib/Basic/Targets/WebAssembly.h

@@ -138,7 +138,7 @@ class LLVM_LIBRARY_VISIBILITY WebAssemblyTargetInfo : public TargetInfo {
 
   bool hasProtectedVisibility() const override { return false; }
 
-  void adjust(LangOptions &Opts) override;
+  void adjust(DiagnosticsEngine &Diags, LangOptions &Opts) override;
 };
 
 class LLVM_LIBRARY_VISIBILITY WebAssembly32TargetInfo

clang/lib/Frontend/ASTUnit.cpp

@@ -588,7 +588,7 @@ class ASTInfoCollector : public ASTReaderListener {
     //
     // FIXME: We shouldn't need to do this, the target should be immutable once
     // created. This complexity should be lifted elsewhere.
-    Target->adjust(LangOpt);
+    Target->adjust(PP.getDiagnostics(), LangOpt);
 
     // Initialize the preprocessor.
     PP.Initialize(*Target);

clang/lib/Frontend/CompilerInstance.cpp

@@ -144,7 +144,7 @@ bool CompilerInstance::createTarget() {
   // Inform the target of the language options.
   // FIXME: We shouldn't need to do this, the target should be immutable once
   // created. This complexity should be lifted elsewhere.
-  getTarget().adjust(getLangOpts());
+  getTarget().adjust(getDiagnostics(), getLangOpts());
 
   // Adjust target options based on codegen options.
   getTarget().adjustTargetOptions(getCodeGenOpts(), getTargetOpts());
@@ -459,7 +459,7 @@ void CompilerInstance::createPreprocessor(TranslationUnitKind TUKind) {
                                       getSourceManager(), *HeaderInfo, *this,
                                       /*IdentifierInfoLookup=*/nullptr,
                                       /*OwnsHeaderSearch=*/true, TUKind);
-  getTarget().adjust(getLangOpts());
+  getTarget().adjust(getDiagnostics(), getLangOpts());
   PP->Initialize(getTarget(), getAuxTarget());
 
   if (PPOpts.DetailedRecord)

clang/lib/Interpreter/Interpreter.cpp

@@ -110,7 +110,7 @@ CreateCI(const llvm::opt::ArgStringList &Argv) {
                                    "Initialization failed. "
                                    "Target is missing");
 
-  Clang->getTarget().adjust(Clang->getLangOpts());
+  Clang->getTarget().adjust(Clang->getDiagnostics(), Clang->getLangOpts());
 
   return std::move(Clang);
 }

clang/tools/clang-import-test/clang-import-test.cpp

@@ -208,7 +208,7 @@ std::unique_ptr<CompilerInstance> BuildCompilerInstance() {
   TargetInfo *TI = TargetInfo::CreateTargetInfo(
       Ins->getDiagnostics(), Ins->getInvocation().TargetOpts);
   Ins->setTarget(TI);
-  Ins->getTarget().adjust(Ins->getLangOpts());
+  Ins->getTarget().adjust(Ins->getDiagnostics(), Ins->getLangOpts());
   Ins->createFileManager();
   Ins->createSourceManager(Ins->getFileManager());
   Ins->createPreprocessor(TU_Complete);

lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionParser.cpp

@@ -658,7 +658,8 @@ ClangExpressionParser::ClangExpressionParser(
   //
   // FIXME: We shouldn't need to do this, the target should be immutable once
   // created. This complexity should be lifted elsewhere.
-  m_compiler->getTarget().adjust(m_compiler->getLangOpts());
+  m_compiler->getTarget().adjust(m_compiler->getDiagnostics(),
+		                 m_compiler->getLangOpts());
 
   // 6. Set up the diagnostic buffer for reporting errors
 

lldb/source/Plugins/ExpressionParser/Clang/ClangModulesDeclVendor.cpp

@@ -704,7 +704,7 @@ ClangModulesDeclVendor::Create(Target &target) {
   if (!instance->hasTarget())
     return nullptr;
 
-  instance->getTarget().adjust(instance->getLangOpts());
+  instance->getTarget().adjust(*diagnostics_engine, instance->getLangOpts());
 
   if (!action->BeginSourceFile(*instance,
                                instance->getFrontendOpts().Inputs[0]))