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[codegen] more cleaning

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This commit is contained in:
Philippe Tillet
2019-10-11 23:40:27 -04:00
parent ee3803b577
commit 7d77f34db0
7 changed files with 109 additions and 200 deletions
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17
lib/codegen/transform/membar.cc
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@@ -120,18 +120,15 @@ void membar::run(ir::module &mod) {
// shared-memory copies. These can be read from and written to
// without needing synchronization
std::set<ir::value*> safe_war;
ir::for_each_instruction(mod, [&](ir::instruction* i){
if(liveness_->has_double(i)){
auto info = liveness_->get_double(i);
safe_war.insert(i);
for(const auto& x: layouts_->get_all()){
if(x.second->double_buffer){
auto info = *x.second->double_buffer;
safe_war.insert(info.first);
safe_war.insert(info.latch);
auto *trans = dynamic_cast<ir::trans_inst*>(info.latch);
if(trans)
safe_war.insert(trans->get_operand(0));
}
if(i->get_id() == ir::INST_TRANS)
safe_war.insert(i);
});
}
for(ir::function *fn: mod.get_function_list()){
std::vector<ir::basic_block*> rpo = ir::cfg::reverse_post_order(fn);