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Check for lower slice bound when bounds checking is enabled

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This commit is contained in:
Alexey Prokhin
2011-01-03 16:50:08 +03:00
parent fd52810f1a
commit 1c59eed83a
3 changed files with 38 additions and 9 deletions
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10
gen/toir.cpp
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@@ -1268,7 +1268,7 @@ DValue* IndexExp::toElem(IRState* p)
}
else if (e1type->ty == Tsarray) {
if(global.params.useArrayBounds)
DtoArrayBoundsCheck(loc, l, r, false);
DtoArrayBoundsCheck(loc, l, r);
arrptr = DtoGEP(l->getRVal(), zero, r->getRVal());
}
else if (e1type->ty == Tarray) {
@@ -1303,7 +1303,7 @@ DValue* IndexExp::toElem(IRState* p)
r = new DVarValue(r->getType(), tmp);
}
#endif
DtoArrayBoundsCheck(loc, l, r, false);
DtoArrayBoundsCheck(loc, l, r);
}
arrptr = DtoArrayPtr(l);
arrptr = DtoGEP1(arrptr,r->getRVal());
@@ -1361,8 +1361,12 @@ DValue* SliceExp::toElem(IRState* p)
LLValue* vlo = lo->getRVal();
LLValue* vup = up->getRVal();
#if DMDV2
if(global.params.useArrayBounds)
#else
if(global.params.useArrayBounds && (etype->ty == Tsarray || etype->ty == Tarray))
DtoArrayBoundsCheck(loc, e, up, true);
#endif
DtoArrayBoundsCheck(loc, e, up, lo);
// offset by lower
eptr = DtoGEP1(eptr, vlo);