Re-commit r324489: [DebugInfo] Improvements to representation of enumeration types (PR36168)

Differential Revision: https://reviews.llvm.org/D42734

llvm-svn: 324899

1 files changed, 7 insertions, 3 deletions

diff --git a/llvm/lib/IR/LLVMContextImpl.h b/llvm/lib/IR/LLVMContextImpl.h
index db7f368230d..c4cd7850f79 100644
--- a/llvm/lib/IR/LLVMContextImpl.h
+++ b/llvm/lib/IR/LLVMContextImpl.h
@@ -354,13 +354,17 @@ template <> struct MDNodeKeyImpl<DISubrange> {
 template <> struct MDNodeKeyImpl<DIEnumerator> {
   int64_t Value;
   MDString *Name;
+  bool IsUnsigned;
 
-  MDNodeKeyImpl(int64_t Value, MDString *Name) : Value(Value), Name(Name) {}
+  MDNodeKeyImpl(int64_t Value, bool IsUnsigned, MDString *Name)
+      : Value(Value), Name(Name), IsUnsigned(IsUnsigned) {}
   MDNodeKeyImpl(const DIEnumerator *N)
-      : Value(N->getValue()), Name(N->getRawName()) {}
+      : Value(N->getValue()), Name(N->getRawName()),
+        IsUnsigned(N->isUnsigned()) {}
 
   bool isKeyOf(const DIEnumerator *RHS) const {
-    return Value == RHS->getValue() && Name == RHS->getRawName();
+    return Value == RHS->getValue() && IsUnsigned == RHS->isUnsigned() &&
+           Name == RHS->getRawName();
   }
 
   unsigned getHashValue() const { return hash_combine(Value, Name); }