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Store bools as i8.

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I really hope we can refactor this to use a less leaky
abstraction later – it should at least be possible to merge
voidToI8 and i1ToI8.
This commit is contained in:
David Nadlinger
2013-06-06 21:14:46 +02:00
parent 7e92984ebe
commit 848dee32d4
16 changed files with 105 additions and 60 deletions
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34
gen/tollvm.cpp
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@@ -246,12 +246,20 @@ LLType* DtoStructTypeFromArguments(Arguments* arguments)
//////////////////////////////////////////////////////////////////////////////////////////
LLType* DtoTypeNotVoid(Type* t)
LLType* voidToI8(LLType* t)
{
LLType* lt = DtoType(t);
if (lt == LLType::getVoidTy(gIR->context()))
if (t == LLType::getVoidTy(gIR->context()))
return LLType::getInt8Ty(gIR->context());
return lt;
return t;
}
//////////////////////////////////////////////////////////////////////////////////////////
LLType* i1ToI8(LLType* t)
{
if (t == LLType::getInt1Ty(gIR->context()))
return LLType::getInt8Ty(gIR->context());
return t;
}
//////////////////////////////////////////////////////////////////////////////////////////
@@ -717,15 +725,27 @@ LLValue* DtoAlignedLoad(LLValue* src, const char* name)
void DtoStore(LLValue* src, LLValue* dst)
{
// if (Logger::enabled())
// Logger::cout() << "storing " << *src << " into " << *dst << '\n';
assert(src->getType() != llvm::Type::getInt1Ty(gIR->context()) &&
"Should store bools as i8 instead of i1.");
gIR->ir->CreateStore(src,dst);
//st->setVolatile(gIR->func()->inVolatile);
}
void DtoStoreZextI8(LLValue* src, LLValue* dst)
{
if (src->getType() == llvm::Type::getInt1Ty(gIR->context()))
{
llvm::Type* i8 = llvm::Type::getInt8Ty(gIR->context());
assert(dst->getType()->getContainedType(0) == i8);
src = gIR->ir->CreateZExt(src, i8);
}
gIR->ir->CreateStore(src, dst);
}
// Like DtoStore, but the pointer is guaranteed to be aligned appropriately for the type.
void DtoAlignedStore(LLValue* src, LLValue* dst)
{
assert(src->getType() != llvm::Type::getInt1Ty(gIR->context()) &&
"Should store bools as i8 instead of i1.");
llvm::StoreInst* st = gIR->ir->CreateStore(src,dst);
st->setAlignment(getABITypeAlign(src->getType()));
}