Remove remove_all. A compiler has no need for recursively deleting a directory.

llvm-svn: 198955
diff --git a/llvm/unittests/Support/FileOutputBufferTest.cpp b/llvm/unittests/Support/FileOutputBufferTest.cpp
index 5e87319..b81bdb5 100644
--- a/llvm/unittests/Support/FileOutputBufferTest.cpp
+++ b/llvm/unittests/Support/FileOutputBufferTest.cpp
@@ -56,6 +56,7 @@
   uint64_t File1Size;
   ASSERT_NO_ERROR(fs::file_size(Twine(File1), File1Size));
   ASSERT_EQ(File1Size, 8192ULL);
+  ASSERT_NO_ERROR(fs::remove(File1.str()));
 
  	// TEST 2: Verify abort case.
   SmallString<128> File2(TestDirectory);
@@ -71,6 +72,7 @@
   bool Exists = false;
   ASSERT_NO_ERROR(fs::exists(Twine(File2), Exists));
   EXPECT_FALSE(Exists);
+  ASSERT_NO_ERROR(fs::remove(File2.str()));
 
   // TEST 3: Verify sizing down case.
   SmallString<128> File3(TestDirectory);
@@ -94,6 +96,7 @@
   uint64_t File3Size;
   ASSERT_NO_ERROR(fs::file_size(Twine(File3), File3Size));
   ASSERT_EQ(File3Size, 5000ULL);
+  ASSERT_NO_ERROR(fs::remove(File3.str()));
 
   // TEST 4: Verify file can be made executable.
   SmallString<128> File4(TestDirectory);
@@ -112,9 +115,9 @@
   ASSERT_NO_ERROR(fs::status(Twine(File4), Status));
   bool IsExecutable = (Status.permissions() & fs::owner_exe);
   EXPECT_TRUE(IsExecutable);
+  ASSERT_NO_ERROR(fs::remove(File4.str()));
 
   // Clean up.
-  uint32_t RemovedCount;
-  ASSERT_NO_ERROR(fs::remove_all(TestDirectory.str(), RemovedCount));
+  ASSERT_NO_ERROR(fs::remove(TestDirectory.str()));
 }
 } // anonymous namespace
diff --git a/llvm/unittests/Support/LockFileManagerTest.cpp b/llvm/unittests/Support/LockFileManagerTest.cpp
index 3c84f4d..1f949a3 100644
--- a/llvm/unittests/Support/LockFileManagerTest.cpp
+++ b/llvm/unittests/Support/LockFileManagerTest.cpp
@@ -40,7 +40,8 @@
   // Now that the lock is out of scope, the file should be gone.
   EXPECT_FALSE(sys::fs::exists(StringRef(LockedFile)));
 
-  sys::fs::remove_all(StringRef(TmpDir));
+  EC = sys::fs::remove(StringRef(TmpDir));
+  ASSERT_FALSE(EC);
 }
 
 } // end anonymous namespace
diff --git a/llvm/unittests/Support/Path.cpp b/llvm/unittests/Support/Path.cpp
index 0316241..f71c7c5 100644
--- a/llvm/unittests/Support/Path.cpp
+++ b/llvm/unittests/Support/Path.cpp
@@ -225,8 +225,7 @@
   }
 
   virtual void TearDown() {
-    uint32_t removed;
-    ASSERT_NO_ERROR(fs::remove_all(TestDirectory.str(), removed));
+    ASSERT_NO_ERROR(fs::remove(TestDirectory.str()));
   }
 };
 
@@ -414,6 +413,18 @@
   ASSERT_LT(a0, aa1);
   ASSERT_LT(a0, ab1);
   ASSERT_LT(z0, za1);
+
+  ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0/aa1"));
+  ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0/ab1"));
+  ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/a0"));
+  ASSERT_NO_ERROR(
+      fs::remove(Twine(TestDirectory) + "/recursive/dontlookhere/da1"));
+  ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/dontlookhere"));
+  ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/pop/p1"));
+  ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/pop"));
+  ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/z0/za1"));
+  ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive/z0"));
+  ASSERT_NO_ERROR(fs::remove(Twine(TestDirectory) + "/recursive"));
 }
 
 const char archive[] = "!<arch>\x0A";
@@ -479,6 +490,7 @@
     ASSERT_NO_ERROR(fs::has_magic(file_pathname.c_str(), magic, res));
     EXPECT_TRUE(res);
     EXPECT_EQ(i->magic, fs::identify_magic(magic));
+    ASSERT_NO_ERROR(fs::remove(Twine(file_pathname)));
   }
 }
 
@@ -509,6 +521,7 @@
     MemoryBuffer::getFile(FilePathname.c_str(), Buf);
     EXPECT_EQ(Buf->getBuffer(), "\n");
   }
+  ASSERT_NO_ERROR(fs::remove(Twine(FilePathname)));
 }
 #endif