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[Dependency Scanning] Remove coarse-grained synchronization on all dependency scan queries #1319

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Merged
merged 1 commit into from
Apr 10, 2023
Merged

[Dependency Scanning] Remove coarse-grained synchronization on all dependency scan queries #1319

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26 changes: 10 additions & 16 deletions ...wiftDriver/ExplicitModuleBuilds/InterModuleDependencies/InterModuleDependencyOracle.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -47,11 +47,9 @@ public class InterModuleDependencyOracle {
commandLine: [String])
throws -> InterModuleDependencyGraph {
precondition(hasScannerInstance)
return try queue.sync {
return try swiftScanLibInstance!.scanDependencies(workingDirectory: workingDirectory,
moduleAliases: moduleAliases,
invocationCommand: commandLine)
}
return try swiftScanLibInstance!.scanDependencies(workingDirectory: workingDirectory,
moduleAliases: moduleAliases,
invocationCommand: commandLine)
}

@_spi(Testing) public func getBatchDependencies(workingDirectory: AbsolutePath,
Expand All @@ -60,24 +58,20 @@ public class InterModuleDependencyOracle {
batchInfos: [BatchScanModuleInfo])
throws -> [ModuleDependencyId: [InterModuleDependencyGraph]] {
precondition(hasScannerInstance)
return try queue.sync {
return try swiftScanLibInstance!.batchScanDependencies(workingDirectory: workingDirectory,
moduleAliases: moduleAliases,
invocationCommand: commandLine,
batchInfos: batchInfos)
}
return try swiftScanLibInstance!.batchScanDependencies(workingDirectory: workingDirectory,
moduleAliases: moduleAliases,
invocationCommand: commandLine,
batchInfos: batchInfos)
}

@_spi(Testing) public func getImports(workingDirectory: AbsolutePath,
moduleAliases: [String: String]? = nil,
commandLine: [String])
throws -> InterModuleDependencyImports {
precondition(hasScannerInstance)
return try queue.sync {
return try swiftScanLibInstance!.preScanImports(workingDirectory: workingDirectory,
moduleAliases: moduleAliases,
invocationCommand: commandLine)
}
return try swiftScanLibInstance!.preScanImports(workingDirectory: workingDirectory,
moduleAliases: moduleAliases,
invocationCommand: commandLine)
}

/// Given a specified toolchain path, locate and instantiate an instance of the SwiftScan library
Expand Down
9 changes: 4 additions & 5 deletions Tests/SwiftDriverTests/ExplicitModuleBuildTests.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -996,7 +996,6 @@ final class ExplicitModuleBuildTests: XCTestCase {
"-I", stdLibPath.nativePathString(escaped: true),
"-I", shimsPath.nativePathString(escaped: true),
"-F", frameworksPath.nativePathString(escaped: true),
"-import-objc-header",
"-explicit-module-build",
"-module-name", "main",
"-working-directory", path.nativePathString(escaped: true),
Expand Down Expand Up @@ -1193,7 +1192,6 @@ final class ExplicitModuleBuildTests: XCTestCase {
"-I", swiftModuleInterfacesPath.nativePathString(escaped: true),
"-I", stdlibPath.nativePathString(escaped: true),
"-I", shimsPath.nativePathString(escaped: true),
"-import-objc-header",
"-explicit-module-build",
"-working-directory", path.nativePathString(escaped: true),
"-disable-clang-target",
Expand Down Expand Up @@ -1265,7 +1263,6 @@ final class ExplicitModuleBuildTests: XCTestCase {
"-I", stdlibPath.nativePathString(escaped: true),
"-I", shimsPath.nativePathString(escaped: true),
"/tmp/Foo.o",
"-import-objc-header",
"-explicit-module-build",
"-working-directory", path.nativePathString(escaped: true),
"-disable-clang-target",
Expand Down Expand Up @@ -1303,7 +1300,10 @@ final class ExplicitModuleBuildTests: XCTestCase {
DispatchQueue.concurrentPerform(iterations: 20) { index in
// Give the main modules different names
let iterationCommand = scannerCommand + ["-module-name",
"testDependencyScanning\(index)"]
"testDependencyScanning\(index)",
// FIXME: We need to differentiate the scanning action hash,
// though the module-name above should be sufficient.
"-I/tmp/foo/bar/\(index)"]
let dependencyGraph =
try! dependencyOracle.getDependencies(workingDirectory: path,
commandLine: iterationCommand)
Expand Down Expand Up @@ -1458,7 +1458,6 @@ final class ExplicitModuleBuildTests: XCTestCase {
"-I", swiftModuleInterfacesPath.nativePathString(escaped: true),
"-I", stdlibPath.nativePathString(escaped: true),
"-I", shimsPath.nativePathString(escaped: true),
"-import-objc-header",
"-explicit-module-build",
"-working-directory", path.nativePathString(escaped: true),
"-disable-clang-target",
Expand Down