IR: Rename MDSubrange::getLo() to getLowerBound()

During initial review, the `lo:` field was renamed to `lowerBound:`.
Make the same change to the C++ API.

llvm-svn: 234267

llvm/include/llvm/IR/DebugInfo.h

@@ -175,7 +175,7 @@ public:
     return *get();
   }
 
-  int64_t getLo() const { return get()->getLo(); }
+  int64_t getLo() const { return get()->getLowerBound(); }
   int64_t getCount() const { return get()->getCount(); }
 };
 

llvm/include/llvm/IR/DebugInfoMetadata.h

@@ -303,27 +303,30 @@ class MDSubrange : public DebugNode {
   friend class MDNode;
 
   int64_t Count;
-  int64_t Lo;
+  int64_t LowerBound;
 
-  MDSubrange(LLVMContext &C, StorageType Storage, int64_t Count, int64_t Lo)
+  MDSubrange(LLVMContext &C, StorageType Storage, int64_t Count,
+             int64_t LowerBound)
       : DebugNode(C, MDSubrangeKind, Storage, dwarf::DW_TAG_subrange_type,
                   None),
-        Count(Count), Lo(Lo) {}
+        Count(Count), LowerBound(LowerBound) {}
   ~MDSubrange() {}
 
-  static MDSubrange *getImpl(LLVMContext &Context, int64_t Count, int64_t Lo,
-                             StorageType Storage, bool ShouldCreate = true);
+  static MDSubrange *getImpl(LLVMContext &Context, int64_t Count,
+                             int64_t LowerBound, StorageType Storage,
+                             bool ShouldCreate = true);
 
   TempMDSubrange cloneImpl() const {
-    return getTemporary(getContext(), getCount(), getLo());
+    return getTemporary(getContext(), getCount(), getLowerBound());
   }
 
 public:
-  DEFINE_MDNODE_GET(MDSubrange, (int64_t Count, int64_t Lo = 0), (Count, Lo))
+  DEFINE_MDNODE_GET(MDSubrange, (int64_t Count, int64_t LowerBound = 0),
+                    (Count, LowerBound))
 
   TempMDSubrange clone() const { return cloneImpl(); }
 
-  int64_t getLo() const { return Lo; }
+  int64_t getLowerBound() const { return LowerBound; }
   int64_t getCount() const { return Count; }
 
   static bool classof(const Metadata *MD) {

llvm/lib/Bitcode/Writer/BitcodeWriter.cpp

@@ -821,7 +821,7 @@ static void WriteMDSubrange(const MDSubrange *N, const ValueEnumerator &,
                             unsigned Abbrev) {
   Record.push_back(N->isDistinct());
   Record.push_back(N->getCount());
-  Record.push_back(rotateSign(N->getLo()));
+  Record.push_back(rotateSign(N->getLowerBound()));
 
   Stream.EmitRecord(bitc::METADATA_SUBRANGE, Record, Abbrev);
   Record.clear();

llvm/lib/IR/AsmWriter.cpp

@@ -1505,7 +1505,7 @@ static void writeMDSubrange(raw_ostream &Out, const MDSubrange *N,
   Out << "!MDSubrange(";
   MDFieldPrinter Printer(Out);
   Printer.printInt("count", N->getCount(), /* ShouldSkipZero */ false);
-  Printer.printInt("lowerBound", N->getLo());
+  Printer.printInt("lowerBound", N->getLowerBound());
   Out << ")";
 }
 

llvm/lib/IR/LLVMContextImpl.h

@@ -275,15 +275,17 @@ template <> struct MDNodeKeyImpl<GenericDebugNode> : MDNodeOpsKey {
 
 template <> struct MDNodeKeyImpl<MDSubrange> {
   int64_t Count;
-  int64_t Lo;
+  int64_t LowerBound;
 
-  MDNodeKeyImpl(int64_t Count, int64_t Lo) : Count(Count), Lo(Lo) {}
-  MDNodeKeyImpl(const MDSubrange *N) : Count(N->getCount()), Lo(N->getLo()) {}
+  MDNodeKeyImpl(int64_t Count, int64_t LowerBound)
+      : Count(Count), LowerBound(LowerBound) {}
+  MDNodeKeyImpl(const MDSubrange *N)
+      : Count(N->getCount()), LowerBound(N->getLowerBound()) {}
 
   bool isKeyOf(const MDSubrange *RHS) const {
-    return Count == RHS->getCount() && Lo == RHS->getLo();
+    return Count == RHS->getCount() && LowerBound == RHS->getLowerBound();
   }
-  unsigned getHashValue() const { return hash_combine(Count, Lo); }
+  unsigned getHashValue() const { return hash_combine(Count, LowerBound); }
 };
 
 template <> struct MDNodeKeyImpl<MDEnumerator> {

llvm/unittests/IR/MetadataTest.cpp

@@ -848,7 +848,7 @@ TEST_F(MDSubrangeTest, get) {
   auto *N = MDSubrange::get(Context, 5, 7);
   EXPECT_EQ(dwarf::DW_TAG_subrange_type, N->getTag());
   EXPECT_EQ(5, N->getCount());
-  EXPECT_EQ(7, N->getLo());
+  EXPECT_EQ(7, N->getLowerBound());
   EXPECT_EQ(N, MDSubrange::get(Context, 5, 7));
   EXPECT_EQ(MDSubrange::get(Context, 5, 0), MDSubrange::get(Context, 5));
 
@@ -860,7 +860,7 @@ TEST_F(MDSubrangeTest, getEmptyArray) {
   auto *N = MDSubrange::get(Context, -1, 0);
   EXPECT_EQ(dwarf::DW_TAG_subrange_type, N->getTag());
   EXPECT_EQ(-1, N->getCount());
-  EXPECT_EQ(0, N->getLo());
+  EXPECT_EQ(0, N->getLowerBound());
   EXPECT_EQ(N, MDSubrange::get(Context, -1, 0));
 }