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Use opaque [N x i8*] for vtables

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This fixes the forward-referencing issue #1741.
This commit is contained in:
Martin 2016-11-05 19:14:46 +01:00
parent e1394fad5f
commit 16d15e01cb
8 changed files with 46 additions and 131 deletions
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5
gen/classes.cpp
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@ -390,7 +390,6 @@ LLValue *DtoVirtualFunctionPointer(DValue *inst, FuncDeclaration *fdecl,
LLValue *funcval = vthis;
// get the vtbl for objects
stripModifiers(inst->type->toBasetype())->ctype->isClass()->getVtblType(true);
funcval = DtoGEPi(funcval, 0, 0);
// load vtbl ptr
funcval = DtoLoad(funcval);
@ -398,12 +397,12 @@ LLValue *DtoVirtualFunctionPointer(DValue *inst, FuncDeclaration *fdecl,
std::string vtblname = name;
vtblname.append("@vtbl");
funcval = DtoGEPi(funcval, 0, fdecl->vtblIndex, vtblname.c_str());
// load funcptr
// load opaque pointer
funcval = DtoAlignedLoad(funcval);
IF_LOG Logger::cout() << "funcval: " << *funcval << '\n';
// cast to final funcptr type
// cast to funcptr type
funcval = DtoBitCast(funcval, getPtrToType(DtoFunctionType(fdecl)));
// postpone naming until after casting to get the name in call instructions