Mercurial > projects > ldc
diff gen/functions.cpp @ 1042:45af482e3832
Updated ABI handling to be more flexible with regard to reusing lvalues and allocating fewer temporaries.
| author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
|---|---|
| date | Wed, 04 Mar 2009 17:24:25 +0100 |
| parents | 9167d492cbc2 |
| children | a91d6fc600cd |
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--- a/gen/functions.cpp Wed Mar 04 16:13:16 2009 +0100 +++ b/gen/functions.cpp Wed Mar 04 17:24:25 2009 +0100 @@ -684,9 +684,6 @@ IrLocal* irloc = vd->ir.irLocal; assert(irloc); - // let the abi transform the argument back first - LLValue* argvalue = f->fty->getParam(vd->type, i, irloc->value); - #if DMDV2 if (vd->nestedrefs.dim) #else @@ -701,11 +698,17 @@ if (!refout && (!f->fty->args[i]->byref || lazy)) { - LLValue* a = argvalue; - LLValue* v = DtoAlloca(a->getType(), vd->ident->toChars()); - DtoStore(a,v); - irloc->value = v; + // alloca a stack slot for this first class value arg + LLValue* mem = DtoAlloca(DtoType(vd->type), vd->ident->toChars()); + + // let the abi transform the argument back first + DImValue arg_dval(vd->type, irloc->value); + f->fty->getParam(vd->type, i, &arg_dval, mem); + + // set the arg var value to the alloca + irloc->value = mem; } + if (global.params.symdebug && !(isaArgument(irloc->value) && !isaArgument(irloc->value)->hasByValAttr()) && !refout) DtoDwarfLocalVariable(irloc->value, vd); }