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When generating debug info, handle recursive types properly

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This commit is contained in:
Alexey Prokhin
2011-12-03 14:35:55 +04:00
parent 1f3d9b98d0
commit cedb4c0e68
1 changed files with 5 additions and 31 deletions
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36
gen/todebug.cpp
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@@ -180,9 +180,6 @@ static llvm::DIType dwarfCompositeType(Type* type)
// elements
std::vector<llvm::Value*> elems;
// pointer to ir->diCompositeType
llvm::DIType *diCompositeType = 0;
llvm::DIType derivedFrom;
assert((t->ty == Tstruct || t->ty == Tclass) &&
@@ -213,36 +210,12 @@ static llvm::DIType dwarfCompositeType(Type* type)
if ((llvm::MDNode*)ir->diCompositeType != 0)
return ir->diCompositeType;
diCompositeType = &ir->diCompositeType;
name = sd->toChars();
linnum = sd->loc.linnum;
file = DtoDwarfFile(sd->loc);
// set diCompositeType to handle recursive types properly
if (t->ty == Tclass) {
ir->diCompositeType = gIR->dibuilder.createClassType(
llvm::DIDescriptor(file),
name, // name
file, // compile unit where defined
linnum, // line number where defined
getTypeBitSize(T), // size in bits
getABITypeAlign(T)*8, // alignment in bits
0, // offset in bits,
llvm::DIType::FlagFwdDecl, // flags
derivedFrom, // DerivedFrom
llvm::DIArray(0)
);
} else {
ir->diCompositeType = gIR->dibuilder.createStructType(
llvm::DIDescriptor(file),
name, // name
file, // compile unit where defined
linnum, // line number where defined
getTypeBitSize(T), // size in bits
getABITypeAlign(T)*8, // alignment in bits
llvm::DIType::FlagFwdDecl, // flags
llvm::DIArray(0)
);
}
if (!ir->diCompositeType)
ir->diCompositeType = gIR->dibuilder.createTemporaryType();
if (!ir->aggrdecl->isInterfaceDeclaration()) // plain interfaces don't have one
{
@@ -296,8 +269,9 @@ static llvm::DIType dwarfCompositeType(Type* type)
);
}
if (diCompositeType)
*diCompositeType = ret;
ir->diCompositeType.replaceAllUsesWith(ret);
ir->diCompositeType = ret;
return ret;
}