3 files changed, 19 insertions, 0 deletions
diff --git a/llvm/lib/Bitcode/Reader/BitcodeAnalyzer.cpp b/llvm/lib/Bitcode/Reader/BitcodeAnalyzer.cpp
index e91af12..a96e682 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeAnalyzer.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeAnalyzer.cpp
@@ -218,6 +218,7 @@ static Optional<const char *> GetCodeName(unsigned CodeID, unsigned BlockID,
       STRINGIFY_CODE(CST_CODE, INLINEASM)
       STRINGIFY_CODE(CST_CODE, CE_SHUFVEC_EX)
       STRINGIFY_CODE(CST_CODE, CE_UNOP)
+      STRINGIFY_CODE(CST_CODE, DSO_LOCAL_EQUIVALENT)
     case bitc::CST_CODE_BLOCKADDRESS:
       return "CST_CODE_BLOCKADDRESS";
       STRINGIFY_CODE(CST_CODE, DATA)
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index f88c371..fd24329 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -2888,6 +2888,20 @@ Error BitcodeReader::parseConstants() {
       V = BlockAddress::get(Fn, BB);
       break;
     }
+    case bitc::CST_CODE_DSO_LOCAL_EQUIVALENT: {
+      if (Record.size() < 2)
+        return error("Invalid record");
+      Type *GVTy = getTypeByID(Record[0]);
+      if (!GVTy)
+        return error("Invalid record");
+      GlobalValue *GV = dyn_cast_or_null<GlobalValue>(
+          ValueList.getConstantFwdRef(Record[1], GVTy));
+      if (!GV)
+        return error("Invalid record");
+
+      V = DSOLocalEquivalent::get(GV);
+      break;
+    }
     }
 
     assert(V->getType() == flattenPointerTypes(CurFullTy) &&
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index 9a4f724..c555b67 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -2609,6 +2609,10 @@ void ModuleBitcodeWriter::writeConstants(unsigned FirstVal, unsigned LastVal,
       Record.push_back(VE.getTypeID(BA->getFunction()->getType()));
       Record.push_back(VE.getValueID(BA->getFunction()));
       Record.push_back(VE.getGlobalBasicBlockID(BA->getBasicBlock()));
+    } else if (const auto *Equiv = dyn_cast<DSOLocalEquivalent>(C)) {
+      Code = bitc::CST_CODE_DSO_LOCAL_EQUIVALENT;
+      Record.push_back(VE.getTypeID(Equiv->getGlobalValue()->getType()));
+      Record.push_back(VE.getValueID(Equiv->getGlobalValue()));
     } else {
 #ifndef NDEBUG
       C->dump();