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Re-add parsing of function-local metadata; this time with testcase.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92793 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Victor Hernandez
2010-01-05 22:22:14 +00:00
parent 7a34d6c450
commit bf170d4c2f
3 changed files with 50 additions and 21 deletions
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lib/AsmParser/LLParser.cpp
+18 -10
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@@ -548,7 +548,7 @@ bool LLParser::ParseStandaloneMetadata() {
ParseType(Ty, TyLoc) ||
ParseToken(lltok::exclaim, "Expected '!' here") ||
ParseToken(lltok::lbrace, "Expected '{' here") ||
ParseMDNodeVector(Elts) ||
ParseMDNodeVector(Elts, NULL) ||
ParseToken(lltok::rbrace, "expected end of metadata node"))
return true;
@@ -1885,7 +1885,7 @@ BasicBlock *LLParser::PerFunctionState::DefineBB(const std::string &Name,
/// type implied. For example, if we parse "4" we don't know what integer type
/// it has. The value will later be combined with its type and checked for
/// sanity.
bool LLParser::ParseValID(ValID &ID) {
bool LLParser::ParseValID(ValID &ID, PerFunctionState *PFS) {
ID.Loc = Lex.getLoc();
switch (Lex.getKind()) {
default: return TokError("expected value token");
@@ -1911,7 +1911,7 @@ bool LLParser::ParseValID(ValID &ID) {
if (EatIfPresent(lltok::lbrace)) {
SmallVector<Value*, 16> Elts;
if (ParseMDNodeVector(Elts) ||
if (ParseMDNodeVector(Elts, PFS) ||
ParseToken(lltok::rbrace, "expected end of metadata node"))
return true;
@@ -2444,9 +2444,10 @@ bool LLParser::ConvertGlobalValIDToValue(const Type *Ty, ValID &ID,
}
/// ConvertGlobalOrMetadataValIDToValue - Apply a type to a ValID to get a fully
/// resolved constant or metadata value.
/// resolved constant, metadata, or function-local value
bool LLParser::ConvertGlobalOrMetadataValIDToValue(const Type *Ty, ValID &ID,
Value *&V) {
Value *&V,
PerFunctionState *PFS) {
switch (ID.Kind) {
case ValID::t_MDNode:
if (!Ty->isMetadataTy())
@@ -2458,6 +2459,12 @@ bool LLParser::ConvertGlobalOrMetadataValIDToValue(const Type *Ty, ValID &ID,
return Error(ID.Loc, "metadata value must have metadata type");
V = ID.MDStringVal;
return false;
case ValID::t_LocalID:
case ValID::t_LocalName:
if (!PFS)
return Error(ID.Loc, "invalid use of function-local name");
if (ConvertValIDToValue(Ty, ID, V, *PFS)) return true;
return false;
default:
Constant *C;
if (ConvertGlobalValIDToValue(Ty, ID, C)) return true;
@@ -2516,7 +2523,7 @@ bool LLParser::ConvertValIDToValue(const Type *Ty, ValID &ID, Value *&V,
return false;
}
default:
return ConvertGlobalOrMetadataValIDToValue(Ty, ID, V);
return ConvertGlobalOrMetadataValIDToValue(Ty, ID, V, &PFS);
}
return V == 0;
@@ -2525,7 +2532,7 @@ bool LLParser::ConvertValIDToValue(const Type *Ty, ValID &ID, Value *&V,
bool LLParser::ParseValue(const Type *Ty, Value *&V, PerFunctionState &PFS) {
V = 0;
ValID ID;
return ParseValID(ID) ||
return ParseValID(ID, &PFS) ||
ConvertValIDToValue(Ty, ID, V, PFS);
}
@@ -3842,7 +3849,8 @@ int LLParser::ParseInsertValue(Instruction *&Inst, PerFunctionState &PFS) {
/// ::= Element (',' Element)*
/// Element
/// ::= 'null' | TypeAndValue
bool LLParser::ParseMDNodeVector(SmallVectorImpl<Value*> &Elts) {
bool LLParser::ParseMDNodeVector(SmallVectorImpl<Value*> &Elts,
PerFunctionState *PFS) {
do {
// Null is a special case since it is typeless.
if (EatIfPresent(lltok::kw_null)) {
@@ -3853,8 +3861,8 @@ bool LLParser::ParseMDNodeVector(SmallVectorImpl<Value*> &Elts) {
Value *V = 0;
PATypeHolder Ty(Type::getVoidTy(Context));
ValID ID;
if (ParseType(Ty) || ParseValID(ID) ||
ConvertGlobalOrMetadataValIDToValue(Ty, ID, V))
if (ParseType(Ty) || ParseValID(ID, PFS) ||
ConvertGlobalOrMetadataValIDToValue(Ty, ID, V, PFS))
return true;
Elts.push_back(V);