ABIChecker: teach wmo mode to emit ABI descriptor files

Author: nkcsgexi

lib/Frontend/FrontendOptions.cpp

@@ -567,45 +567,11 @@ bool FrontendOptions::canActionEmitModuleSemanticInfo(ActionType action) {
   llvm_unreachable("unhandled action");
 }
 bool FrontendOptions::canActionEmitABIDescriptor(ActionType action) {
-  switch (action) {
-  case ActionType::MergeModules:
-  case ActionType::EmitModuleOnly:
-  case ActionType::CompileModuleFromInterface:
+  if (canActionEmitModule(action))
     return true;
-  case ActionType::NoneAction:
-  case ActionType::Parse:
-  case ActionType::ResolveImports:
-  case ActionType::Typecheck:
-  case ActionType::DumpParse:
-  case ActionType::DumpInterfaceHash:
-  case ActionType::DumpAST:
-  case ActionType::EmitSyntax:
-  case ActionType::PrintAST:
-  case ActionType::EmitPCH:
-  case ActionType::DumpScopeMaps:
-  case ActionType::DumpTypeRefinementContexts:
-  case ActionType::DumpTypeInfo:
-  case ActionType::EmitSILGen:
-  case ActionType::TypecheckModuleFromInterface:
-  case ActionType::Immediate:
-  case ActionType::REPL:
-  case ActionType::EmitPCM:
-  case ActionType::DumpPCM:
-  case ActionType::ScanDependencies:
-  case ActionType::PrintVersion:
-  case ActionType::PrintFeature:
-  case ActionType::EmitSIL:
-  case ActionType::EmitSIBGen:
-  case ActionType::EmitSIB:
-  case ActionType::EmitIRGen:
-  case ActionType::EmitIR:
-  case ActionType::EmitBC:
-  case ActionType::EmitAssembly:
-  case ActionType::EmitObject:
-  case ActionType::EmitImportedModules:
-    return false;
-  }
-  llvm_unreachable("unhandled action");
+  if (action == ActionType::CompileModuleFromInterface)
+    return true;
+  return false;
 }
 bool FrontendOptions::canActionEmitModule(ActionType action) {
   switch (action) {

test/ModuleInterface/emit-abi-descriptor.swift

@@ -21,6 +21,11 @@
 
 // RUN: %FileCheck %s < %t/FooBar.json
 
+// RUN: %target-swift-frontend -c -emit-module -emit-module-path %t/FooC.swiftmodule %t/Foo.swift -module-name Foo -emit-abi-descriptor-path %t/Foo-c.json -o %t/Foo.o
+
+// RUN: %FileCheck %s < %t/Foo-c.json
+
 // CHECK: "kind": "Root"
 // CHECK-NEXT: "name": "TopLevel"
 // CHECK-NEXT: "printedName": "TopLevel"
+// CHECK: "kind": "Function"