From 15903b7dc5cc31c529010b659eab326fd7565671 Mon Sep 17 00:00:00 2001
From: Chandler Carruth <chandlerc@gmail.com>
Date: Sun, 9 Mar 2014 11:49:53 +0000
Subject: [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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203391 91177308-0d34-0410-b5e6-96231b3b80d8
---
 unittests/IR/PassManagerTest.cpp | 56 +++++++++++++++++++++++-----------------
 1 file changed, 33 insertions(+), 23 deletions(-)

(limited to 'unittests/IR/PassManagerTest.cpp')

diff --git a/unittests/IR/PassManagerTest.cpp b/unittests/IR/PassManagerTest.cpp
index 75ba02b3a4..157c881ea5 100644
--- a/unittests/IR/PassManagerTest.cpp
+++ b/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);
 
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