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Add Swift compilation flags to enable Clang's validate-per-build-session module behavior

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Add '-validate-clang-modules-once' and '-clang-build-session-file' corresponding to Clang's '-fmodules-validate-once-per-build-session' and '-fbuild-session-file='. Ensure they are propagated to module interface build sub-invocations.

We require these to be first-class Swift options in order to ensure they are propagated to both: ClangImporter and implicit interface build compiler sub-invocations.

Compiler portion of rdar://105982120
This commit is contained in:
Artem Chikin
2023-02-28 10:50:09 -08:00
parent a64fc3b66d
commit 3ea5087e2f
9 changed files with 104 additions and 0 deletions
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41
test/ModuleInterface/clang-session-transitive.swift Normal file
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// This test ensures that the parent invocation's '-validate-clang-modules-once' flag is inherited when building dependency modules
// RUN: %empty-directory(%t)
// RUN: touch %t/Build.session
// RUN: %target-build-swift -module-name TestModule -module-link-name TestModule %S/Inputs/TestModule.swift -enable-library-evolution -emit-module-interface -o %t/TestModule.swiftmodule -swift-version 5 -Xfrontend -disable-implicit-concurrency-module-import -Xfrontend -disable-implicit-string-processing-module-import
// RUN: %target-swift-frontend -scan-dependencies %s -o %t/deps.json -I%t -validate-clang-modules-once -clang-build-session-file %t/Build.session -disable-implicit-concurrency-module-import -disable-implicit-string-processing-module-import
// RUN: %FileCheck %s < %t/deps.json
import TestModule
// CHECK: "directDependencies": [
// CHECK-NEXT: {
// CHECK-DAG: "swift": "TestModule"
// CHECK-DAG: "swift": "Swift"
// CHECK-DAG: "swift": "SwiftOnoneSupport"
// CHECK: "swift": "TestModule"
// CHECK-NEXT: },
// CHECK-NEXT: {
// CHECK-NEXT: "modulePath": "{{.*}}TestModule-{{.*}}.swiftmodule",
// CHECK-NEXT: "sourceFiles": [
// CHECK-NEXT: ],
// CHECK-NEXT: "directDependencies": [
// CHECK-NEXT: {
// CHECK-NEXT: "swift": "Swift"
// CHECK-NEXT: },
// CHECK-NEXT: {
// CHECK-NEXT: "swift": "SwiftOnoneSupport"
// CHECK-NEXT: }
// CHECK-NEXT: ],
// CHECK-NEXT: "details": {
// CHECK-NEXT: "swift": {
// CHECK-NEXT: "moduleInterfacePath":
// CHECK-NEXT: "contextHash":
// CHECK-NEXT: "commandLine": [
// CHECK-NEXT: "-frontend",
// CHECK-NEXT: "-compile-module-from-interface",
// CHECK: "-validate-clang-modules-once",
// CHECK-NEXT: "-clang-build-session-file",
// CHECK-NEXT: "{{.*}}Build.session"