Merge pull request #84482 from eeckstein/smallprojectionpath-tests

SIL: use `Test` for the SmallProjectionPath's unit tests

SwiftCompilerSources/Sources/Optimizer/PassManager/PassRegistration.swift

@@ -150,7 +150,6 @@ private func registerSwiftPasses() {
   registerPass(deadEndBlockDumper, { deadEndBlockDumper.run($0) })
   registerPass(memBehaviorDumper, { memBehaviorDumper.run($0) })
   registerPass(rangeDumper, { rangeDumper.run($0) })
-  registerPass(runUnitTests, { runUnitTests.run($0) })
   registerPass(testInstructionIteration, { testInstructionIteration.run($0) })
   registerPass(updateBorrowedFromPass, { updateBorrowedFromPass.run($0) })
 }

SwiftCompilerSources/Sources/Optimizer/TestPasses/CMakeLists.txt

@@ -15,7 +15,6 @@ swift_compiler_sources(Optimizer
   MemBehaviorDumper.swift
   SILPrinter.swift
   RangeDumper.swift
-  RunUnitTests.swift
   UpdateBorrowedFrom.swift
   TestInstructionIteration.swift
 )

SwiftCompilerSources/Sources/Optimizer/TestPasses/RunUnitTests.swift

@@ -1,24 +0,0 @@
-//===--- UnitTests.swift - A pseudo pass for running the unit tests -------===//
-//
-// This source file is part of the Swift.org open source project
-//
-// Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
-// Licensed under Apache License v2.0 with Runtime Library Exception
-//
-// See https://swift.org/LICENSE.txt for license information
-// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
-//
-//===----------------------------------------------------------------------===//
-
-import SIL
-
-/// This pass should only be used by sil-opt to run all the unit tests.
-///
-let runUnitTests = ModulePass(name: "run-unit-tests") {
-    (context: ModulePassContext) in
-
-  print("--- Run unit tests ---")
-  
-  print("test ProjectionPath")
-  SmallProjectionPath.runUnitTests()
-}

SwiftCompilerSources/Sources/SIL/Utilities/SmallProjectionPath.swift

@@ -680,8 +680,8 @@ extension StringParser {
 //                               Unit Tests
 //===----------------------------------------------------------------------===//
 
-extension SmallProjectionPath {
+let smallProjectionPathTest = Test("small_projection_path") {
-  public static func runUnitTests() {
+  function, arguments, context in
 
   basicPushPop()
   parsing()
@@ -983,5 +983,4 @@ extension SmallProjectionPath {
     let (k4, _, s4) = p4.pop()
     assert(k4 == .anyIndexedElement && s4.isEmpty)
   }
-  }
 }

SwiftCompilerSources/Sources/SIL/Utilities/Test.swift

@@ -142,6 +142,7 @@ public func registerTests() {
   // Register each test.
   registerTests(
     parseTestSpecificationTest,
+    smallProjectionPathTest,
     getAccessBaseTest,
     borrowIntroducersTest,
     enclosingValuesTest,

include/swift/SILOptimizer/PassManager/Passes.def

@@ -163,8 +163,6 @@ MODULE_PASS(MandatoryAllocBoxToStack, "mandatory-allocbox-to-stack",
      "Mandatory stack promotion of box objects")
 MODULE_PASS(AsyncDemotion, "async-demotion",
      "Convert async functions to be synchronous")
-MODULE_PASS(RunUnitTests, "run-unit-tests",
-     "Runs the compiler internal unit tests")
 MODULE_PASS(FunctionUsesDumper, "dump-function-uses",
      "Dump the results of FunctionUses")
 MODULE_PASS(MandatoryPerformanceOptimizations, "mandatory-performance-optimizations",

test/SILOptimizer/small_projection_path_unit.sil

@@ -0,0 +1,9 @@
+// RUN: %target-sil-opt -test-runner -sil-disable-input-verify %s -o /dev/null
+
+sil_stage raw
+
+sil @small_projection_path_unit_tests : $@convention(thin) () -> () {
+bb0:
+  specify_test "small_projection_path"
+  unreachable
+}

test/SILOptimizer/swift-unit-tests.sil

@@ -1,4 +0,0 @@
-// RUN: %target-sil-opt %s -run-unit-tests -o /dev/null
-
-// REQUIRES: swift_in_compiler
-