Files
triton/lib/codegen/pass.cc
2021-07-27 12:38:49 -07:00

103 lines
3.2 KiB
C++

#include "triton/codegen/pass.h"
#include "triton/codegen/analysis/align.h"
#include "triton/codegen/analysis/allocation.h"
#include "triton/codegen/analysis/axes.h"
#include "triton/codegen/analysis/liveness.h"
#include "triton/codegen/analysis/swizzle.h"
#include "triton/codegen/selection/generator.h"
#include "triton/codegen/transform/coalesce.h"
#include "triton/codegen/transform/cts.h"
#include "triton/codegen/transform/dce.h"
#include "triton/codegen/transform/disassociate.h"
#include "triton/codegen/transform/membar.h"
#include "triton/codegen/transform/peephole.h"
#include "triton/codegen/transform/pipeline.h"
#include "triton/driver/device.h"
#include "triton/driver/kernel.h"
#include "triton/driver/module.h"
#include "triton/ir/function.h"
#include "triton/ir/module.h"
#include "triton/ir/print.h"
#include "llvm/IR/Module.h"
namespace triton {
namespace codegen {
// TODO:
// There should be a proper pass manager there!
void add_passes_to_emit_bin(ir::module &ir, driver::device *dev, int num_warps,
driver::module *&mod, driver::kernel *&ker, size_t &shared_mem) {
// generate llvm code
llvm::LLVMContext ctx;
std::string name = ir.get_function_list()[0]->get_name();
std::unique_ptr<llvm::Module> llvm(new llvm::Module(name, ctx));
// optimizations
std::unique_ptr<codegen::target> target = dev->make_target();
bool cts_use_async = target->as_nvidia()->sm() >= 80;
// create passes
codegen::analysis::align align;
codegen::analysis::axes axes;
codegen::transform::cts cts(cts_use_async);
codegen::transform::pipeline pipeline(cts_use_async);
codegen::transform::disassociate disassociate;
codegen::analysis::layouts layouts(&axes, &align, num_warps, target.get());
codegen::analysis::liveness liveness(&layouts);
codegen::analysis::swizzle swizzle(&layouts, target.get());
codegen::analysis::allocation allocation(&liveness);
codegen::transform::membar barriers(&liveness, &layouts, &allocation);
codegen::transform::dce dce;
codegen::transform::peephole peephole(target.get(), &layouts);
// codegen::transform::reassociate reassociate;
codegen::transform::coalesce coalesce(&align, &layouts);
codegen::generator isel(&axes, &layouts, &align, &allocation, &swizzle, target.get(), num_warps);
// run passes
dce.run(ir);
//ir::print(ir, std::cout);
peephole.run(ir);
dce.run(ir);
pipeline.run(ir);
dce.run(ir);
//ir::print(ir, std::cout);
disassociate.run(ir);
dce.run(ir);
align.run(ir);
axes.run(ir);
layouts.run(ir);
peephole.run(ir);
dce.run(ir);
if (target->is_gpu())
cts.run(ir);
align.run(ir);
axes.run(ir);
layouts.run(ir);
coalesce.run(ir);
dce.run(ir);
align.run(ir);
dce.run(ir);
if (target->is_gpu()) {
// reassociate.run(ir);
cts.run(ir);
}
dce.run(ir);
align.run(ir);
axes.run(ir);
layouts.run(ir);
peephole.run(ir);
dce.run(ir);
align.run(ir);
axes.run(ir);
layouts.run(ir);
swizzle.run(ir);
liveness.run(ir);
allocation.run(ir);
barriers.run(ir);
// ir::print(ir, std::cout);
isel.visit(ir, *llvm);
mod = driver::module::create(dev, std::move(llvm));
ker = driver::kernel::create(&*mod, name.c_str());
shared_mem = allocation.allocated_size();
}
} // namespace codegen
} // namespace triton