Merge pull request swiftlang#32771 from varungandhi-apple/vg-include-spi-deps-in-trace

Include SPI dependencies in module trace.

Author: varungandhi-apple

lib/FrontendTool/FrontendTool.cpp

@@ -427,6 +427,7 @@ static bool emitLoadedModuleTraceIfNeeded(ModuleDecl *mainModule,
   ModuleDecl::ImportFilter filter = ModuleDecl::ImportFilterKind::Public;
   filter |= ModuleDecl::ImportFilterKind::Private;
   filter |= ModuleDecl::ImportFilterKind::ImplementationOnly;
+  filter |= ModuleDecl::ImportFilterKind::SPIAccessControl;
   filter |= ModuleDecl::ImportFilterKind::ShadowedBySeparateOverlay;
   SmallVector<ModuleDecl::ImportedModule, 8> imports;
   mainModule->getImportedModules(imports, filter);

test/Driver/loaded_module_trace_spi.swift

@@ -0,0 +1,20 @@
+// RUN: %empty-directory(%t)
+// RUN: %target-build-swift %s -emit-module -module-name Module0 -DSPI_DECLARING_MODULE -o %t/Module0.swiftmodule
+// RUN: %target-build-swift %s -module-name Module1 -DSPI_IMPORTING_MODULE -emit-loaded-module-trace -o %t/spi_import -I %t
+// RUN: %FileCheck %s < %t/Module1.trace.json
+
+#if SPI_DECLARING_MODULE
+
+@_spi(ForModule1)
+public func f() {}
+
+#endif
+
+#if SPI_IMPORTING_MODULE
+
+@_spi(ForModule1)
+import Module0
+
+#endif
+
+// CHECK: "name":"Module0","path":"{{[^"]*}}","isImportedDirectly":true