Revert "Replace Execution Engine's mutex with std::recursive_mutex."

This reverts commit 1f502bd9d7d2c1f98ad93a09ffe435e11a95aedd, due to
GCC / MinGW's lack of support for C++11 threading.

It's possible this will go back in after we come up with a
reasonable solution.

llvm-svn: 211401

1 files changed, 4 insertions, 4 deletions

diff --git a/llvm/unittests/IR/ValueMapTest.cpp b/llvm/unittests/IR/ValueMapTest.cpp
index ef82588..0b7198f 100644
--- a/llvm/unittests/IR/ValueMapTest.cpp
+++ b/llvm/unittests/IR/ValueMapTest.cpp
@@ -186,19 +186,19 @@ struct LockMutex : ValueMapConfig<KeyT, MutexT> {
   };
   static void onRAUW(const ExtraData &Data, KeyT Old, KeyT New) {
     *Data.CalledRAUW = true;
-    EXPECT_FALSE(Data.M->try_lock()) << "Mutex should already be locked.";
+    EXPECT_FALSE(Data.M->tryacquire()) << "Mutex should already be locked.";
   }
   static void onDelete(const ExtraData &Data, KeyT Old) {
     *Data.CalledDeleted = true;
-    EXPECT_FALSE(Data.M->try_lock()) << "Mutex should already be locked.";
+    EXPECT_FALSE(Data.M->tryacquire()) << "Mutex should already be locked.";
   }
   static MutexT *getMutex(const ExtraData &Data) { return Data.M; }
 };
 #if LLVM_ENABLE_THREADS
 TYPED_TEST(ValueMapTest, LocksMutex) {
-  std::mutex M;  // Not recursive.
+  sys::Mutex M(false);  // Not recursive.
   bool CalledRAUW = false, CalledDeleted = false;
-  typedef LockMutex<TypeParam*, std::mutex> ConfigType;
+  typedef LockMutex<TypeParam*, sys::Mutex> ConfigType;
   typename ConfigType::ExtraData Data = {&M, &CalledRAUW, &CalledDeleted};
   ValueMap<TypeParam*, int, ConfigType> VM(Data);
   VM[this->BitcastV.get()] = 7;