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Remove 'noalias' and 'nocapture' from %.nest_arg. They no longer apply now that

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it may point to a struct containing variables from outer functions.
This commit is contained in:
Frits van Bommel 2009-04-15 20:59:21 +02:00
parent c19ab2e539
commit 8c3cc1467f
2 changed files with 2 additions and 11 deletions
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2
gen/functions.cpp
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@ -89,7 +89,7 @@ const llvm::FunctionType* DtoFunctionType(Type* type, Type* thistype, Type* nest
// and nested functions // and nested functions
else if (nesttype) else if (nesttype)
{ {
f->fty.arg_nest = new IrFuncTyArg(nesttype, false, NoAlias | NoCapture); f->fty.arg_nest = new IrFuncTyArg(nesttype, false);
lidx++; lidx++;
} }

11
gen/tocall.cpp
View file

@ -358,16 +358,7 @@ DValue* DtoCallFunction(Loc& loc, Type* resulttype, DValue* fnval, Expressions*
{ {
Attr.Index = retinptr ? 2 : 1; Attr.Index = retinptr ? 2 : 1;
Attr.Attrs = tf->fty.arg_nest->attrs; Attr.Attrs = tf->fty.arg_nest->attrs;
// For delegates, we can't assume 'nest' is noalias and nocapture attrs.push_back(Attr);
// (like we can with nested functions) since it might actually be
// a 'this', and thus neither attribute generally applies to it.
// TODO: don't remove nocapture if it's a "pure" delegate?
if (delegatecall) {
Attr.Attrs &= ~(llvm::Attribute::NoAlias | llvm::Attribute::NoCapture);
}
// LLVM doesn't like it when no bits are set...
if (Attr.Attrs)
attrs.push_back(Attr);
} }
} }