AsmWriter/Bitcode: MDTemplate{Type,Value}Parameter

llvm-svn: 229019

4 files changed, 113 insertions, 24 deletions

diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
index be1db2233d2..59e3c0ec8cf 100644
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -3513,12 +3513,41 @@ bool LLParser::ParseMDNamespace(MDNode *&Result, bool IsDistinct) {
   return false;
 }
 
+/// ParseMDTemplateTypeParameter:
+///   ::= !MDTemplateTypeParameter(scope: !0, name: "Ty", type: !1)
 bool LLParser::ParseMDTemplateTypeParameter(MDNode *&Result, bool IsDistinct) {
-  return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED)                                    \
+  REQUIRED(scope, MDField, );                                                  \
+  OPTIONAL(name, MDStringField, );                                             \
+  REQUIRED(type, MDField, );
+  PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+  Result = GET_OR_DISTINCT(MDTemplateTypeParameter,
+                           (Context, scope.Val, name.Val, type.Val));
+  return false;
 }
+
+/// ParseMDTemplateValueParameter:
+///   ::= !MDTemplateValueParameter(tag: DW_TAG_template_value_parameter,
+///                                 scope: !0, name: "V", type: !1,
+///                                 value: i32 7)
 bool LLParser::ParseMDTemplateValueParameter(MDNode *&Result, bool IsDistinct) {
-  return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED)                                    \
+  REQUIRED(tag, DwarfTagField, );                                              \
+  REQUIRED(scope, MDField, );                                                  \
+  OPTIONAL(name, MDStringField, );                                             \
+  REQUIRED(type, MDField, );                                                   \
+  REQUIRED(value, MDField, );
+  PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+  Result = GET_OR_DISTINCT(
+      MDTemplateValueParameter,
+      (Context, tag.Val, scope.Val, name.Val, type.Val, value.Val));
+  return false;
 }
+
 bool LLParser::ParseMDGlobalVariable(MDNode *&Result, bool IsDistinct) {
   return TokError("unimplemented parser");
 }
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index d0606788d44..9731e8c0e03 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -1502,6 +1502,29 @@ std::error_code BitcodeReader::ParseMetadata() {
           NextMDValueNo++);
       break;
     }
+    case bitc::METADATA_TEMPLATE_TYPE: {
+      if (Record.size() != 4)
+        return Error("Invalid record");
+
+      MDValueList.AssignValue(
+          GET_OR_DISTINCT(MDTemplateTypeParameter, Record[0],
+                          (Context, getMDOrNull(Record[1]),
+                           getMDString(Record[2]), getMDOrNull(Record[3]))),
+          NextMDValueNo++);
+      break;
+    }
+    case bitc::METADATA_TEMPLATE_VALUE: {
+      if (Record.size() != 6)
+        return Error("Invalid record");
+
+      MDValueList.AssignValue(
+          GET_OR_DISTINCT(MDTemplateValueParameter, Record[0],
+                          (Context, Record[1], getMDOrNull(Record[2]),
+                           getMDString(Record[3]), getMDOrNull(Record[4]),
+                           getMDOrNull(Record[5]))),
+          NextMDValueNo++);
+      break;
+    }
     case bitc::METADATA_STRING: {
       std::string String(Record.begin(), Record.end());
       llvm::UpgradeMDStringConstant(String);
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index aa774ba38e0..b1b61e717e6 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -1021,20 +1021,36 @@ static void WriteMDNamespace(const MDNamespace *N, const ValueEnumerator &VE,
   Record.clear();
 }
 
-static void WriteMDTemplateTypeParameter(const MDTemplateTypeParameter *,
-                                         const ValueEnumerator &,
-                                         BitstreamWriter &,
-                                         SmallVectorImpl<uint64_t> &,
-                                         unsigned) {
-  llvm_unreachable("write not implemented");
+static void WriteMDTemplateTypeParameter(const MDTemplateTypeParameter *N,
+                                         const ValueEnumerator &VE,
+                                         BitstreamWriter &Stream,
+                                         SmallVectorImpl<uint64_t> &Record,
+                                         unsigned Abbrev) {
+  Record.push_back(N->isDistinct());
+  Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+  Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+  Record.push_back(VE.getMetadataOrNullID(N->getType()));
+
+  Stream.EmitRecord(bitc::METADATA_TEMPLATE_TYPE, Record, Abbrev);
+  Record.clear();
 }
-static void WriteMDTemplateValueParameter(const MDTemplateValueParameter *,
-                                          const ValueEnumerator &,
-                                          BitstreamWriter &,
-                                          SmallVectorImpl<uint64_t> &,
-                                          unsigned) {
-  llvm_unreachable("write not implemented");
+
+static void WriteMDTemplateValueParameter(const MDTemplateValueParameter *N,
+                                          const ValueEnumerator &VE,
+                                          BitstreamWriter &Stream,
+                                          SmallVectorImpl<uint64_t> &Record,
+                                          unsigned Abbrev) {
+  Record.push_back(N->isDistinct());
+  Record.push_back(N->getTag());
+  Record.push_back(VE.getMetadataOrNullID(N->getScope()));
+  Record.push_back(VE.getMetadataOrNullID(N->getRawName()));
+  Record.push_back(VE.getMetadataOrNullID(N->getType()));
+  Record.push_back(VE.getMetadataOrNullID(N->getValue()));
+
+  Stream.EmitRecord(bitc::METADATA_TEMPLATE_VALUE, Record, Abbrev);
+  Record.clear();
 }
+
 static void WriteMDGlobalVariable(const MDGlobalVariable *,
                                   const ValueEnumerator &, BitstreamWriter &,
                                   SmallVectorImpl<uint64_t> &, unsigned) {
diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp
index 29de2f291d2..4e7bc8ded0c 100644
--- a/llvm/lib/IR/AsmWriter.cpp
+++ b/llvm/lib/IR/AsmWriter.cpp
@@ -1678,18 +1678,39 @@ static void writeMDNamespace(raw_ostream &Out, const MDNamespace *N,
   Out << ")";
 }
 
-static void writeMDTemplateTypeParameter(raw_ostream &,
-                                         const MDTemplateTypeParameter *,
-                                         TypePrinting *, SlotTracker *,
-                                         const Module *) {
-  llvm_unreachable("write not implemented");
+static void writeMDTemplateTypeParameter(raw_ostream &Out,
+                                         const MDTemplateTypeParameter *N,
+                                         TypePrinting *TypePrinter,
+                                         SlotTracker *Machine,
+                                         const Module *Context) {
+  Out << "!MDTemplateTypeParameter(";
+  FieldSeparator FS;
+  Out << FS << "scope: ";
+  writeMetadataAsOperand(Out, N->getScope(), TypePrinter, Machine, Context);
+  Out << FS << "name: \"" << N->getName() << "\"";
+  Out << FS << "type: ";
+  writeMetadataAsOperand(Out, N->getType(), TypePrinter, Machine, Context);
+  Out << ")";
 }
-static void writeMDTemplateValueParameter(raw_ostream &,
-                                          const MDTemplateValueParameter *,
-                                          TypePrinting *, SlotTracker *,
-                                          const Module *) {
-  llvm_unreachable("write not implemented");
+
+static void writeMDTemplateValueParameter(raw_ostream &Out,
+                                          const MDTemplateValueParameter *N,
+                                          TypePrinting *TypePrinter,
+                                          SlotTracker *Machine,
+                                          const Module *Context) {
+  Out << "!MDTemplateValueParameter(";
+  FieldSeparator FS;
+  writeTag(Out, FS, N);
+  Out << FS << "scope: ";
+  writeMetadataAsOperand(Out, N->getScope(), TypePrinter, Machine, Context);
+  Out << FS << "name: \"" << N->getName() << "\"";
+  Out << FS << "type: ";
+  writeMetadataAsOperand(Out, N->getType(), TypePrinter, Machine, Context);
+  Out << FS << "value: ";
+  writeMetadataAsOperand(Out, N->getValue(), TypePrinter, Machine, Context);
+  Out << ")";
 }
+
 static void writeMDGlobalVariable(raw_ostream &, const MDGlobalVariable *,
                                   TypePrinting *, SlotTracker *,
                                   const Module *) {