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Adds explicit alignment information for alloca instructions in general, there's a few cases that still needs to be looked at but this should catch the majority. Fixes ticket #293 .

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This commit is contained in:
Tomas Lindquist Olsen
2009-05-14 13:26:40 +02:00
parent 5694ec18ff
commit f5d635dfc7
16 changed files with 61 additions and 44 deletions
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14
gen/toir.cpp
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@@ -909,7 +909,7 @@ DValue* AddrExp::toElem(IRState* p)
{
assert(v->isSlice());
LLValue* rval = v->getRVal();
lval = DtoAlloca(rval->getType(), ".tmp_slice_storage");
lval = DtoRawAlloca(rval->getType(), 0, ".tmp_slice_storage");
DtoStore(rval, lval);
}
@@ -2124,13 +2124,12 @@ DValue* CondExp::toElem(IRState* p)
LOG_SCOPE;
Type* dtype = type->toBasetype();
const LLType* resty = DtoType(dtype);
DValue* dvv;
// voids returns will need no storage
if (dtype->ty != Tvoid) {
// allocate a temporary for the final result. failed to come up with a better way :/
LLValue* resval = DtoAlloca(resty,"condtmp");
LLValue* resval = DtoAlloca(dtype,"condtmp");
dvv = new DVarValue(type, resval);
} else {
dvv = new DConstValue(type, getNullValue(DtoTypeNotVoid(dtype)));
@@ -2345,7 +2344,7 @@ DValue* ArrayLiteralExp::toElem(IRState* p)
dstMem = dynSlice->ptr;
}
else
dstMem = DtoAlloca(llStoType, "arrayliteral");
dstMem = DtoRawAlloca(llStoType, 0, "arrayliteral");
// store elements
for (size_t i=0; i<len; ++i)
@@ -2509,7 +2508,7 @@ DValue* StructLiteralExp::toElem(IRState* p)
const LLType* st = llvm::StructType::get(valuetypes, packed);
// alloca a stack slot
LLValue* mem = DtoAlloca(st, ".structliteral");
LLValue* mem = DtoRawAlloca(st, 0, ".structliteral");
// fill in values
for (size_t i = 0; i < n; i++)
@@ -2596,12 +2595,11 @@ DValue* AssocArrayLiteralExp::toElem(IRState* p)
Type* aatype = type->toBasetype();
Type* vtype = aatype->nextOf();
const LLType* aalltype = DtoType(type);
// it should be possible to avoid the temporary in some cases
LLValue* tmp = DtoAlloca(aalltype,"aaliteral");
LLValue* tmp = DtoAlloca(type,"aaliteral");
DValue* aa = new DVarValue(type, tmp);
DtoStore(LLConstant::getNullValue(aalltype), tmp);
DtoStore(LLConstant::getNullValue(DtoType(type)), tmp);
const size_t n = keys->dim;
for (size_t i=0; i<n; ++i)