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Implement cast to void

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This commit is contained in:
Alexey Prokhin
2013-12-08 13:13:43 +04:00
parent 5a10a23cef
commit dcf005213b
2 changed files with 3 additions and 15 deletions
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10
gen/toir.cpp
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@@ -1140,13 +1140,9 @@ DValue* CastExp::toElem(IRState* p)
// get the value to cast
DValue* u = e1->toElem(p);
// a constructor expression is casted to void in order to mark
// the value as unused. See expression.d, method AssignExp::semantic(),
// around line 11681
if (to == Type::tvoid && e1->op == TOKconstruct)
{
return new DNullValue(Type::tvoid, 0);
}
// handle cast to void (usually created by frontend to avoid "has no effect" error)
if (to == Type::tvoid)
return new DImValue(Type::tvoid, llvm::UndefValue::get(voidToI8(DtoType(Type::tvoid))));
// cast it to the 'to' type, if necessary
DValue* v = u;