[DebugInfoMetadata] Added DIFlags interface in DIBasicType.

Flags in DIBasicType will be used to pass attributes used in
DW_TAG_base_type, such as DW_AT_endianity.

Patch by Chirag Patel!

Differential Revision: https://reviews.llvm.org/D49610

llvm-svn: 339714

1 files changed, 17 insertions, 9 deletions

diff --git a/llvm/unittests/IR/MetadataTest.cpp b/llvm/unittests/IR/MetadataTest.cpp
index 84a7b02fa98..e160bbff280 100644
--- a/llvm/unittests/IR/MetadataTest.cpp
+++ b/llvm/unittests/IR/MetadataTest.cpp
@@ -997,26 +997,33 @@ typedef MetadataTest DIBasicTypeTest;
 
 TEST_F(DIBasicTypeTest, get) {
   auto *N =
-      DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 26, 7);
+      DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33, 26, 7,
+                        DINode::FlagZero);
   EXPECT_EQ(dwarf::DW_TAG_base_type, N->getTag());
   EXPECT_EQ("special", N->getName());
   EXPECT_EQ(33u, N->getSizeInBits());
   EXPECT_EQ(26u, N->getAlignInBits());
   EXPECT_EQ(7u, N->getEncoding());
   EXPECT_EQ(0u, N->getLine());
+  EXPECT_EQ(DINode::FlagZero, N->getFlags());
   EXPECT_EQ(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
-                                26, 7));
+                                26, 7, DINode::FlagZero));
 
   EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_unspecified_type,
-                                "special", 33, 26, 7));
+                                "special", 33, 26, 7, DINode::FlagZero));
   EXPECT_NE(N,
-            DIBasicType::get(Context, dwarf::DW_TAG_base_type, "s", 33, 26, 7));
+            DIBasicType::get(Context, dwarf::DW_TAG_base_type, "s", 33, 26, 7,
+                              DINode::FlagZero));
   EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 32,
-                                26, 7));
+                                26, 7, DINode::FlagZero));
   EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
-                                25, 7));
+                                25, 7, DINode::FlagZero));
   EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
-                                26, 6));
+                                26, 6, DINode::FlagZero));
+  EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
+                                26, 7, DINode::FlagBigEndian));
+  EXPECT_NE(N, DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special", 33,
+                                26, 7, DINode::FlagLittleEndian));
 
   TempDIBasicType Temp = N->clone();
   EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));
@@ -1024,7 +1031,7 @@ TEST_F(DIBasicTypeTest, get) {
 
 TEST_F(DIBasicTypeTest, getWithLargeValues) {
   auto *N = DIBasicType::get(Context, dwarf::DW_TAG_base_type, "special",
-                             UINT64_MAX, UINT32_MAX - 1, 7);
+                             UINT64_MAX, UINT32_MAX - 1, 7, DINode::FlagZero);
   EXPECT_EQ(UINT64_MAX, N->getSizeInBits());
   EXPECT_EQ(UINT32_MAX - 1, N->getAlignInBits());
 }
@@ -1038,6 +1045,7 @@ TEST_F(DIBasicTypeTest, getUnspecified) {
   EXPECT_EQ(0u, N->getAlignInBits());
   EXPECT_EQ(0u, N->getEncoding());
   EXPECT_EQ(0u, N->getLine());
+  EXPECT_EQ(DINode::FlagZero, N->getFlags());
 }
 
 typedef MetadataTest DITypeTest;
@@ -1045,7 +1053,7 @@ typedef MetadataTest DITypeTest;
 TEST_F(DITypeTest, clone) {
   // Check that DIType has a specialized clone that returns TempDIType.
   DIType *N = DIBasicType::get(Context, dwarf::DW_TAG_base_type, "int", 32, 32,
-                               dwarf::DW_ATE_signed);
+                               dwarf::DW_ATE_signed, DINode::FlagZero);
 
   TempDIType Temp = N->clone();
   EXPECT_EQ(N, MDNode::replaceWithUniqued(std::move(Temp)));