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Fix for issue 331

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Raul Ramirez 2024-08-15 21:48:35 -06:00 • committed by GitHub
parent 1d6a42c39a
commit f5bb3d65af
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1 changed files with 16 additions and 16 deletions
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32
src/shader_recompiler/frontend/control_flow_graph.cpp
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@ -94,25 +94,25 @@ void CFG::EmitBlocks() {
return std::distance(index_to_pc.begin(), it_index);
};
for (auto it = labels.begin(); it != labels.end(); it++) {
const Label start = *it;
const auto next_it = std::next(it);
const bool is_last = next_it == labels.end();
if (is_last) {
// Last label is special.
return;
}
const Label end = *next_it;
const size_t end_index = get_index(end) - 1;
const auto& end_inst = inst_list[end_index];
// Check to make sure there are lables in the vector and that they have data.
ASSERT(!lables.empty() && lables.size() > 2);
// Loop through every pair except the last two:
// [0,1,2,3,4,5,6]
// [0,1], [1,2], [2,3], [3,4], [4,5]
for (int i = 0; i < labels.size() - 2; ++i)
{
const Label start = lables[i];
const Label end = labels[i+1];
// TODO: Investigate how to make sure this does not go out of bounds.
// Is inst_list always the size of labels?
const auto& end_inst = inst_list[i+1];
// Insert block between the labels using the last instruction
// as an indicator for branching type.
Block* block = block_pool.Create();
block->begin = start;
block->end = end;
block->begin_index = get_index(start);
block->end_index = end_index;
block->begin_index = i;
block->end_index = i + 1;
block->end_inst = end_inst;
block->cond = MakeCondition(end_inst.opcode);
blocks.insert(*block);