DebugInfo: Remove dead code for accessing fields

[oota-llvm.git] / unittests / IR / DebugInfoTest.cpp

diff --git a/unittests/IR/DebugInfoTest.cpp b/unittests/IR/DebugInfoTest.cpp
index fa05425e333daaf199b19f271f600a3833fea4a4..53279f52b51e5c299cdd824a1d3faa8f6b3f83cf 100644 (file)
--- a/unittests/IR/DebugInfoTest.cpp
+++ b/unittests/IR/DebugInfoTest.cpp
@@ -12,59 +12,8 @@
 
 using namespace llvm;
 
-namespace llvm {
-
-static void PrintTo(const StringRef &S, ::std::ostream *os) {
-  *os << "(" << (const void *)S.data() << "," << S.size() << ") = '";
-  for (auto C : S)
-    if (C)
-      *os << C;
-    else
-      *os << "\\00";
-  *os << "'";
-}
-static void PrintTo(const DIHeaderFieldIterator &I, ::std::ostream *os) {
-  PrintTo(I.getCurrent(), os);
-  *os << " in ";
-  PrintTo(I.getHeader(), os);
-}
-
-} // end namespace llvm
-
 namespace {
 
-#define MAKE_FIELD_ITERATOR(S)                                                 \
-  DIHeaderFieldIterator(StringRef(S, sizeof(S) - 1))
-TEST(DebugInfoTest, DIHeaderFieldIterator) {
-  ASSERT_EQ(DIHeaderFieldIterator(), DIHeaderFieldIterator());
-
-  ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR(""));
-  ASSERT_EQ(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR(""));
-  ASSERT_EQ("", *DIHeaderFieldIterator(""));
-
-  ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR("stuff"));
-  ASSERT_EQ(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR("stuff"));
-  ASSERT_EQ("stuff", *DIHeaderFieldIterator("stuff"));
-
-  ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR("st\0uff"));
-  ASSERT_NE(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR("st\0uff"));
-  ASSERT_EQ(DIHeaderFieldIterator(), ++++MAKE_FIELD_ITERATOR("st\0uff"));
-  ASSERT_EQ("st", *MAKE_FIELD_ITERATOR("st\0uff"));
-  ASSERT_EQ("uff", *++MAKE_FIELD_ITERATOR("st\0uff"));
-
-  ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR("stuff\0"));
-  ASSERT_NE(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR("stuff\0"));
-  ASSERT_EQ(DIHeaderFieldIterator(), ++++MAKE_FIELD_ITERATOR("stuff\0"));
-  ASSERT_EQ("stuff", *MAKE_FIELD_ITERATOR("stuff\0"));
-  ASSERT_EQ("", *++MAKE_FIELD_ITERATOR("stuff\0"));
-
-  ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR("\0stuff"));
-  ASSERT_NE(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR("\0stuff"));
-  ASSERT_EQ(DIHeaderFieldIterator(), ++++MAKE_FIELD_ITERATOR("\0stuff"));
-  ASSERT_EQ("", *MAKE_FIELD_ITERATOR("\0stuff"));
-  ASSERT_EQ("stuff", *++MAKE_FIELD_ITERATOR("\0stuff"));
-}
-
 TEST(DIDescriptorTest, getFlag) {
   // Some valid flags.
   EXPECT_EQ(DIDescriptor::FlagPublic, DIDescriptor::getFlag("DIFlagPublic"));
@@ -111,4 +60,25 @@ TEST(DIDescriptorTest, getFlagString) {
   EXPECT_EQ(StringRef(), DIDescriptor::getFlagString(0xffff));
 }
 
+TEST(DIDescriptorTest, splitFlags) {
+  // Some valid flags.
+#define CHECK_SPLIT(FLAGS, VECTOR, REMAINDER)                                  \
+  {                                                                            \
+    SmallVector<unsigned, 8> V;                                                \
+    EXPECT_EQ(REMAINDER, DIDescriptor::splitFlags(FLAGS, V));                  \
+    EXPECT_TRUE(makeArrayRef(V).equals(VECTOR));                                \
+  }
+  CHECK_SPLIT(DIDescriptor::FlagPublic, {DIDescriptor::FlagPublic}, 0u);
+  CHECK_SPLIT(DIDescriptor::FlagProtected, {DIDescriptor::FlagProtected}, 0u);
+  CHECK_SPLIT(DIDescriptor::FlagPrivate, {DIDescriptor::FlagPrivate}, 0u);
+  CHECK_SPLIT(DIDescriptor::FlagVector, {DIDescriptor::FlagVector}, 0u);
+  CHECK_SPLIT(DIDescriptor::FlagRValueReference, {DIDescriptor::FlagRValueReference}, 0u);
+  unsigned Flags[] = {DIDescriptor::FlagFwdDecl, DIDescriptor::FlagVector};
+  CHECK_SPLIT(DIDescriptor::FlagFwdDecl | DIDescriptor::FlagVector, Flags, 0u);
+  CHECK_SPLIT(0x100000u, {}, 0x100000u);
+  CHECK_SPLIT(0x100000u | DIDescriptor::FlagVector, {DIDescriptor::FlagVector},
+              0x100000u);
+#undef CHECK_SPLIT
+}
+
 } // end namespace