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AsmParser: Remove unused version of ParseMDNodeID()

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Merge the two versions of `ParseMDNodeID()` now that no one needs
special forward references.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225699 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2015-01-12 21:14:38 +00:00
parent d0517feb77
commit 023f8e4be7
2 changed files with 6 additions and 18 deletions
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23
lib/AsmParser/LLParser.cpp
View File

@ -518,28 +518,17 @@ bool LLParser::ParseMDString(MDString *&Result) {
// MDNode:
// ::= '!' MDNodeNumber
//
/// This version of ParseMDNodeID returns the slot number and null in the case
/// of a forward reference.
bool LLParser::ParseMDNodeID(MDNode *&Result, unsigned &SlotNo) {
// !{ ..., !42, ... }
if (ParseUInt32(SlotNo)) return true;
// Check existing MDNode.
if (SlotNo < NumberedMetadata.size() && NumberedMetadata[SlotNo] != nullptr)
Result = NumberedMetadata[SlotNo];
else
Result = nullptr;
return false;
}
bool LLParser::ParseMDNodeID(MDNode *&Result) {
// !{ ..., !42, ... }
unsigned MID = 0;
if (ParseMDNodeID(Result, MID)) return true;
if (ParseUInt32(MID))
return true;
// If not a forward reference, just return it now.
if (Result) return false;
if (MID < NumberedMetadata.size() && NumberedMetadata[MID] != nullptr) {
Result = NumberedMetadata[MID];
return false;
}
// Otherwise, create MDNode forward reference.
MDNodeFwdDecl *FwdNode = MDNode::getTemporary(Context, None);

1
lib/AsmParser/LLParser.h
View File

@ -265,7 +265,6 @@ namespace llvm {
bool ParseNamedMetadata();
bool ParseMDString(MDString *&Result);
bool ParseMDNodeID(MDNode *&Result);
bool ParseMDNodeID(MDNode *&Result, unsigned &SlotNo);
bool ParseUnnamedAttrGrp();
bool ParseFnAttributeValuePairs(AttrBuilder &B,
std::vector<unsigned> &FwdRefAttrGrps,