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[codegen] cleaning-up / formalizing shared-memory passes

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This commit is contained in:
Philippe Tillet
2019-09-20 16:01:12 -04:00
parent e35be1ddcf
commit 43d88154bd
26 changed files with 229 additions and 117 deletions
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22
lib/codegen/transform/dce.cc
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@@ -20,12 +20,22 @@ void dce::run(ir::module &mod) {
// iterate through blocks
for(ir::basic_block *block: rpo)
for(ir::instruction *i: block->get_inst_list()){
if(dynamic_cast<ir::io_inst*>(i) || dynamic_cast<ir::return_inst*>(i)
|| dynamic_cast<ir::branch_inst*>(i) || dynamic_cast<ir::cond_branch_inst*>(i)
|| dynamic_cast<ir::atomic_cas_inst*>(i) || dynamic_cast<ir::atomic_exch_inst*>(i) || dynamic_cast<ir::atomic_add_inst*>(i)
|| dynamic_cast<ir::barrier_inst*>(i)){
work_list.push_back(i);
marked.insert(i);
switch(i->get_id()){
case ir::INST_RETURN:
case ir::INST_UNCOND_BRANCH:
case ir::INST_COND_BRANCH:
case ir::INST_UNMASKED_STORE:
case ir::INST_MASKED_STORE:
case ir::INST_ATOMIC_ADD:
case ir::INST_ATOMIC_CAS:
case ir::INST_ATOMIC_EXCH:
case ir::INST_BARRIER: {
work_list.push_back(i);
marked.insert(i);
break;
}
default:
break;
}
}
}