Merge pull request #78766 from tshortli/warnings

IRGen/Runtime: Suppress some warnings

Author: tshortli

lib/IRGen/IRGenModule.cpp

@@ -1035,28 +1035,6 @@ static llvm::MemoryEffects mergeMemoryEffects(ArrayRef<llvm::MemoryEffects> effe
     return mergedEffects;
 }
 
-
-namespace {
-bool isStandardLibrary(const llvm::Module &M) {
-  if (auto *Flags = M.getNamedMetadata("swift.module.flags")) {
-    for (const auto *F : Flags->operands()) {
-      const auto *Key = dyn_cast_or_null<llvm::MDString>(F->getOperand(0));
-      if (!Key)
-        continue;
-
-      const auto *Value =
-          dyn_cast_or_null<llvm::ConstantAsMetadata>(F->getOperand(1));
-      if (!Value)
-        continue;
-
-      if (Key->getString() == "standard-library")
-        return cast<llvm::ConstantInt>(Value->getValue())->isOne();
-    }
-  }
-  return false;
-}
-}
-
 llvm::FunctionType *swift::getRuntimeFnType(llvm::Module &Module,
                                            llvm::ArrayRef<llvm::Type*> retTypes,
                                            llvm::ArrayRef<llvm::Type*> argTypes) {

stdlib/public/runtime/Metadata.cpp

@@ -439,13 +439,16 @@ namespace {
 } // end anonymous namespace
 
 namespace swift {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Winvalid-offsetof"
   struct StaticAssertGenericMetadataCacheEntryValueOffset {
     static_assert(
       offsetof(GenericCacheEntry, Value) ==
       offsetof(swift::GenericMetadataCacheEntry<InProcess::StoredPointer>,
                Value),
       "The generic metadata cache entry layout mismatch");
   };
+#pragma clang diagnostic pop
 }
 
 namespace {

stdlib/toolchain/Compatibility56/Concurrency/Task.cpp

@@ -179,8 +179,11 @@ SWIFT_CC(swiftasync)
 static void task_wait_throwing_resume_adapter(SWIFT_ASYNC_CONTEXT AsyncContext *_context) {
 
   auto context = static_cast<TaskFutureWaitAsyncContext *>(_context);
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wcast-function-type-mismatch"
   auto resumeWithError =
       reinterpret_cast<AsyncVoidClosureEntryPoint *>(context->ResumeParent);
+#pragma clang diagnostic pop
   return resumeWithError(context->Parent, context->errorResult);
 }
 
@@ -212,7 +215,10 @@ void SWIFT_CC(swiftasync) swift::swift56override_swift_task_future_wait_throwing
   waitingTask->ResumeTask = task_wait_throwing_resume_adapter;
   waitingTask->ResumeContext = callContext;
 
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wcast-function-type-mismatch"
   auto resumeFn = reinterpret_cast<TaskContinuationFunction *>(resumeFunction);
+#pragma clang diagnostic pop
 
   // Wait on the future.
   assert(task->isFuture());