[ORC] Filter out self-dependencies in VSO::addDependencies.

llvm-svn: 334724

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/unittests/ExecutionEngine/Orc/CoreAPIsTest.cpp b/llvm/unittests/ExecutionEngine/Orc/CoreAPIsTest.cpp
index 01f81d9a80f..c8f30dbfd94 100644
--- a/llvm/unittests/ExecutionEngine/Orc/CoreAPIsTest.cpp
+++ b/llvm/unittests/ExecutionEngine/Orc/CoreAPIsTest.cpp
@@ -301,10 +301,17 @@ TEST(CoreAPIsTest, TestCircularDependenceInOneVSO) {
     EXPECT_TRUE(Unresolved.empty()) << "Failed to resolve \"Baz\"";
   }
 
+  // Add a circular dependency: Foo -> Bar, Bar -> Baz, Baz -> Foo.
   FooR->addDependencies({{&V, SymbolNameSet({Bar})}});
   BarR->addDependencies({{&V, SymbolNameSet({Baz})}});
   BazR->addDependencies({{&V, SymbolNameSet({Foo})}});
 
+  // Add self-dependencies for good measure. This tests that the implementation
+  // of addDependencies filters these out.
+  FooR->addDependencies({{&V, SymbolNameSet({Foo})}});
+  BarR->addDependencies({{&V, SymbolNameSet({Bar})}});
+  BazR->addDependencies({{&V, SymbolNameSet({Baz})}});
+
   EXPECT_FALSE(FooResolved) << "\"Foo\" should not be resolved yet";
   EXPECT_FALSE(BarResolved) << "\"Bar\" should not be resolved yet";
   EXPECT_FALSE(BazResolved) << "\"Baz\" should not be resolved yet";