AsmWriter/Bitcode: MDSubprogram
llvm-svn: 229014
diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
index d7bf205..9c3bb4a 100644
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -2969,6 +2969,9 @@
struct MDField : public MDFieldImpl<Metadata *> {
MDField() : ImplTy(nullptr) {}
};
+struct MDConstant : public MDFieldImpl<ConstantAsMetadata *> {
+ MDConstant() : ImplTy(nullptr) {}
+};
struct MDStringField : public MDFieldImpl<std::string> {
MDStringField() : ImplTy(std::string()) {}
};
@@ -3098,6 +3101,12 @@
template <>
bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDField &Result) {
+ if (Lex.getKind() == lltok::kw_null) {
+ Lex.Lex();
+ Result.assign(nullptr);
+ return false;
+ }
+
Metadata *MD;
if (ParseMetadata(MD, nullptr))
return true;
@@ -3107,6 +3116,16 @@
}
template <>
+bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDConstant &Result) {
+ Metadata *MD;
+ if (ParseValueAsMetadata(MD, "expected constant", nullptr))
+ return true;
+
+ Result.assign(cast<ConstantAsMetadata>(MD));
+ return false;
+}
+
+template <>
bool LLParser::ParseMDField(LocTy Loc, StringRef Name, MDStringField &Result) {
std::string S;
if (ParseStringConstant(S))
@@ -3385,9 +3404,45 @@
return false;
}
+/// ParseMDSubprogram:
+/// ::= !MDSubprogram(scope: !0, name: "foo", linkageName: "_Zfoo",
+/// file: !1, line: 7, type: !2, isLocal: false,
+/// isDefinition: true, scopeLine: 8, containingType: !3,
+/// virtuality: 2, virtualIndex: 10, flags: 11,
+/// isOptimized: false, function: void ()* @_Z3foov,
+/// templateParams: !4, declaration: !5, variables: !6)
bool LLParser::ParseMDSubprogram(MDNode *&Result, bool IsDistinct) {
- return TokError("unimplemented parser");
+#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
+ OPTIONAL(scope, MDField, ); \
+ REQUIRED(name, MDStringField, ); \
+ OPTIONAL(linkageName, MDStringField, ); \
+ OPTIONAL(file, MDField, ); \
+ OPTIONAL(line, LineField, ); \
+ OPTIONAL(type, MDField, ); \
+ OPTIONAL(isLocal, MDBoolField, ); \
+ OPTIONAL(isDefinition, MDBoolField, (true)); \
+ OPTIONAL(scopeLine, LineField, ); \
+ OPTIONAL(containingType, MDField, ); \
+ OPTIONAL(virtuality, MDUnsignedField, (0, dwarf::DW_VIRTUALITY_max)); \
+ OPTIONAL(virtualIndex, MDUnsignedField, (0, UINT32_MAX)); \
+ OPTIONAL(flags, MDUnsignedField, (0, UINT32_MAX)); \
+ OPTIONAL(isOptimized, MDBoolField, ); \
+ OPTIONAL(function, MDConstant, ); \
+ OPTIONAL(templateParams, MDField, ); \
+ OPTIONAL(declaration, MDField, ); \
+ OPTIONAL(variables, MDField, );
+ PARSE_MD_FIELDS();
+#undef VISIT_MD_FIELDS
+
+ Result = GET_OR_DISTINCT(
+ MDSubprogram, (Context, scope.Val, name.Val, linkageName.Val, file.Val,
+ line.Val, type.Val, isLocal.Val, isDefinition.Val,
+ scopeLine.Val, containingType.Val, virtuality.Val,
+ virtualIndex.Val, flags.Val, isOptimized.Val, function.Val,
+ templateParams.Val, declaration.Val, variables.Val));
+ return false;
}
+
bool LLParser::ParseMDLexicalBlock(MDNode *&Result, bool IsDistinct) {
return TokError("unimplemented parser");
}
@@ -3444,10 +3499,11 @@
/// ::= i32 %local
/// ::= i32 @global
/// ::= i32 7
-bool LLParser::ParseValueAsMetadata(Metadata *&MD, PerFunctionState *PFS) {
+bool LLParser::ParseValueAsMetadata(Metadata *&MD, const Twine &TypeMsg,
+ PerFunctionState *PFS) {
Type *Ty;
LocTy Loc;
- if (ParseType(Ty, "expected metadata operand", Loc))
+ if (ParseType(Ty, TypeMsg, Loc))
return true;
if (Ty->isMetadataTy())
return Error(Loc, "invalid metadata-value-metadata roundtrip");
@@ -3480,7 +3536,7 @@
// ValueAsMetadata:
// <type> <value>
if (Lex.getKind() != lltok::exclaim)
- return ParseValueAsMetadata(MD, PFS);
+ return ParseValueAsMetadata(MD, "expected metadata operand", PFS);
// '!'.
assert(Lex.getKind() == lltok::exclaim && "Expected '!' here");