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Replace std::map<K, V*> with std::map<K, V> to handle ownership and deletion of the values.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222957 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2014-11-29 18:12:59 +00:00
parent 355d06974a
commit 710cdf729f
2 changed files with 12 additions and 9 deletions
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19
lib/TableGen/TGParser.cpp
View File

@ -459,12 +459,12 @@ MultiClass *TGParser::ParseMultiClassID() {
return nullptr;
}
MultiClass *Result = MultiClasses[Lex.getCurStrVal()];
if (!Result)
auto it = MultiClasses.find(Lex.getCurStrVal());
if (it == MultiClasses.end())
TokError("Couldn't find multiclass '" + Lex.getCurStrVal() + "'");
Lex.Lex();
return Result;
return &it->second;
}
/// ParseSubClassReference - Parse a reference to a subclass or to a templated
@ -2290,11 +2290,13 @@ bool TGParser::ParseMultiClass() {
return TokError("expected identifier after multiclass for name");
std::string Name = Lex.getCurStrVal();
if (MultiClasses.count(Name))
auto Result =
MultiClasses.insert(std::make_pair(Name,
MultiClass(Name, Lex.getLoc(),Records)));
if (!Result.second)
return TokError("multiclass '" + Name + "' already defined");
CurMultiClass = &Result.first->second;
CurMultiClass = MultiClasses[Name] = new MultiClass(Name,
Lex.getLoc(), Records);
Lex.Lex(); // Eat the identifier.
// If there are template args, parse them.
@ -2555,8 +2557,9 @@ bool TGParser::ParseDefm(MultiClass *CurMultiClass) {
// To instantiate a multiclass, we need to first get the multiclass, then
// instantiate each def contained in the multiclass with the SubClassRef
// template parameters.
MultiClass *MC = MultiClasses[Ref.Rec->getName()];
assert(MC && "Didn't lookup multiclass correctly?");
auto it = MultiClasses.find(Ref.Rec->getName());
assert(it != MultiClasses.end() && "Didn't lookup multiclass correctly?");
MultiClass *MC = &it->second;
std::vector<Init*> &TemplateVals = Ref.TemplateArgs;
// Verify that the correct number of template arguments were specified.

2
lib/TableGen/TGParser.h
View File

@ -55,7 +55,7 @@ namespace llvm {
class TGParser {
TGLexer Lex;
std::vector<std::vector<LetRecord> > LetStack;
std::map<std::string, MultiClass*> MultiClasses;
std::map<std::string, MultiClass> MultiClasses;
/// Loops - Keep track of any foreach loops we are within.
///