[PM] Switch new pass manager from polymorphic_ptr to unique_ptr now that

it is available. Also make the move semantics sufficiently correct to
tolerate move-only passes, as the PassManagers *are* move-only passes.

llvm-svn: 203391

1 files changed, 33 insertions, 23 deletions

diff --git a/llvm/unittests/IR/PassManagerTest.cpp b/llvm/unittests/IR/PassManagerTest.cpp
index 75ba02b3a40..157c881ea59 100644
--- a/llvm/unittests/IR/PassManagerTest.cpp
+++ b/llvm/unittests/IR/PassManagerTest.cpp
@@ -207,59 +207,69 @@ TEST_F(PassManagerTest, Basic) {
   ModulePassManager MPM;
 
   // Count the runs over a Function.
-  FunctionPassManager FPM1;
   int FunctionPassRunCount1 = 0;
   int AnalyzedInstrCount1 = 0;
   int AnalyzedFunctionCount1 = 0;
-  FPM1.addPass(TestFunctionPass(FunctionPassRunCount1, AnalyzedInstrCount1,
-                                AnalyzedFunctionCount1));
-  MPM.addPass(createModuleToFunctionPassAdaptor(FPM1));
+  {
+    FunctionPassManager FPM;
+    FPM.addPass(TestFunctionPass(FunctionPassRunCount1, AnalyzedInstrCount1,
+                                 AnalyzedFunctionCount1));
+    MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));
+  }
 
   // Count the runs over a module.
   int ModulePassRunCount = 0;
   MPM.addPass(TestModulePass(ModulePassRunCount));
 
   // Count the runs over a Function in a separate manager.
-  FunctionPassManager FPM2;
   int FunctionPassRunCount2 = 0;
   int AnalyzedInstrCount2 = 0;
   int AnalyzedFunctionCount2 = 0;
-  FPM2.addPass(TestFunctionPass(FunctionPassRunCount2, AnalyzedInstrCount2,
-                                AnalyzedFunctionCount2));
-  MPM.addPass(createModuleToFunctionPassAdaptor(FPM2));
+  {
+    FunctionPassManager FPM;
+    FPM.addPass(TestFunctionPass(FunctionPassRunCount2, AnalyzedInstrCount2,
+                                 AnalyzedFunctionCount2));
+    MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));
+  }
 
   // A third function pass manager but with only preserving intervening passes
   // and with a function pass that invalidates exactly one analysis.
   MPM.addPass(TestPreservingModulePass());
-  FunctionPassManager FPM3;
   int FunctionPassRunCount3 = 0;
   int AnalyzedInstrCount3 = 0;
   int AnalyzedFunctionCount3 = 0;
-  FPM3.addPass(TestFunctionPass(FunctionPassRunCount3, AnalyzedInstrCount3,
-                                AnalyzedFunctionCount3));
-  FPM3.addPass(TestInvalidationFunctionPass("f"));
-  MPM.addPass(createModuleToFunctionPassAdaptor(FPM3));
+  {
+    FunctionPassManager FPM;
+    FPM.addPass(TestFunctionPass(FunctionPassRunCount3, AnalyzedInstrCount3,
+                                 AnalyzedFunctionCount3));
+    FPM.addPass(TestInvalidationFunctionPass("f"));
+    MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));
+  }
 
   // A fourth function pass manager but with a minimal intervening passes.
   MPM.addPass(TestMinPreservingModulePass());
-  FunctionPassManager FPM4;
   int FunctionPassRunCount4 = 0;
   int AnalyzedInstrCount4 = 0;
   int AnalyzedFunctionCount4 = 0;
-  FPM4.addPass(TestFunctionPass(FunctionPassRunCount4, AnalyzedInstrCount4,
-                                AnalyzedFunctionCount4));
-  MPM.addPass(createModuleToFunctionPassAdaptor(FPM4));
+  {
+    FunctionPassManager FPM;
+    FPM.addPass(TestFunctionPass(FunctionPassRunCount4, AnalyzedInstrCount4,
+                                 AnalyzedFunctionCount4));
+    MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));
+  }
 
   // A fifth function pass manager but which uses only cached results.
-  FunctionPassManager FPM5;
   int FunctionPassRunCount5 = 0;
   int AnalyzedInstrCount5 = 0;
   int AnalyzedFunctionCount5 = 0;
-  FPM5.addPass(TestInvalidationFunctionPass("f"));
-  FPM5.addPass(TestFunctionPass(FunctionPassRunCount5, AnalyzedInstrCount5,
-                                AnalyzedFunctionCount5,
-                                /*OnlyUseCachedResults=*/true));
-  MPM.addPass(createModuleToFunctionPassAdaptor(FPM5));
+  {
+    FunctionPassManager FPM;
+    FPM.addPass(TestInvalidationFunctionPass("f"));
+    FPM.addPass(TestFunctionPass(FunctionPassRunCount5, AnalyzedInstrCount5,
+                                 AnalyzedFunctionCount5,
+                                 /*OnlyUseCachedResults=*/true));
+    MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));
+  }
 
   MPM.run(M.get(), &MAM);