qzdoom/src/r_compiler/ssa/ssa_value.cpp

#include "r_compiler/llvm_include.h"
#include "ssa_value.h"
#include "ssa_int.h"
#include "ssa_scope.h"

SSAValue SSAValue::load(bool constantScopeDomain)
{
	auto loadInst = SSAScope::builder().CreateLoad(v, false);
	if (constantScopeDomain)
		loadInst->setMetadata(llvm::LLVMContext::MD_alias_scope, SSAScope::constant_scope_list());
	return SSAValue::from_llvm(loadInst);
}

void SSAValue::store(llvm::Value *value)
{
	auto inst = SSAScope::builder().CreateStore(value, v, false);
	inst->setMetadata(llvm::LLVMContext::MD_noalias, SSAScope::constant_scope_list());
}

SSAIndexLookup SSAValue::operator[](int index)
{
	SSAIndexLookup result;
	result.v = v;
	result.indexes.push_back(SSAInt(index).v);
	return result;
}

SSAIndexLookup SSAValue::operator[](SSAInt index)
{
	SSAIndexLookup result;
	result.v = v;
	result.indexes.push_back(index.v);
	return result;
}

/////////////////////////////////////////////////////////////////////////////

SSAIndexLookup::operator SSAValue()
{
	return SSAValue::from_llvm(SSAScope::builder().CreateGEP(v, indexes));
}

SSAIndexLookup SSAIndexLookup::operator[](int index)
{
	SSAIndexLookup result;
	result.v = v;
	result.indexes = indexes;
	result.indexes.push_back(SSAInt(index).v);
	return result;
}

SSAIndexLookup SSAIndexLookup::operator[](SSAInt index)
{
	SSAIndexLookup result;
	result.v = v;
	result.indexes = indexes;
	result.indexes.push_back(index.v);
	return result;
}