mirror of
https://github.com/zebrajr/pytorch.git
synced 2025-12-07 00:21:07 +01:00
ec1b669d23
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/22632 Test Plan: Imported from OSS Differential Revision: D16184469 Pulled By: suo fbshipit-source-id: b7cc2d20a7dd8b287e1b6128ddb70d3936032a7e
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
#pragma once
|
|
|
|
#include <test/cpp/jit/test_base.h>
|
|
#include <test/cpp/jit/test_utils.h>
|
|
|
|
#include <torch/csrc/jit/passes/dead_code_elimination.h>
|
|
#include <torch/csrc/jit/testing/file_check.h>
|
|
|
|
namespace torch {
|
|
namespace jit {
|
|
void testDCE() {
|
|
auto graph = std::make_shared<Graph>();
|
|
|
|
// Consider the following loop:
|
|
// for i in range(3):
|
|
// tot += a[0][0]
|
|
// b = a[0]
|
|
// b[0] += 1
|
|
// print(tot)
|
|
// We want to check that b[0] and b are properly marked as live and thus not
|
|
// DCE'd.
|
|
const std::string input =
|
|
R"IR(
|
|
graph():
|
|
%48 : None = prim::Constant()
|
|
%50 : bool = prim::Constant[value=1]()
|
|
%10 : bool? = prim::Constant()
|
|
%8 : Device? = prim::Constant()
|
|
%4 : int? = prim::Constant()
|
|
%0 : int = prim::Constant[value=2]()
|
|
%12 : int = prim::Constant[value=1]()
|
|
%24 : int = prim::Constant[value=3]()
|
|
%31 : int = prim::Constant[value=0]()
|
|
%2 : int[] = prim::ListConstruct(%0, %0)
|
|
%a.1 : Tensor = aten::ones(%2, %4, %4, %8, %10)
|
|
%14 : int[] = prim::ListConstruct(%12)
|
|
%tot.1 : Tensor = aten::zeros(%14, %4, %4, %8, %10)
|
|
%tot : Tensor = prim::Loop(%24, %50, %tot.1)
|
|
block0(%i : int, %tot.6 : Tensor):
|
|
%33 : Tensor = aten::select(%a.1, %31, %31)
|
|
%35 : Tensor = aten::select(%33, %31, %31)
|
|
# CHECK: add_
|
|
%tot.3 : Tensor = aten::add_(%tot.6, %35, %12)
|
|
%b.1 : Tensor = aten::select(%a.1, %31, %31)
|
|
%44 : Tensor = aten::select(%b.1, %31, %31)
|
|
# CHECK: add_
|
|
%46 : Tensor = aten::add_(%44, %12, %12)
|
|
-> (%50, %tot.3)
|
|
return (%tot)
|
|
)IR";
|
|
script::parseIR(input, graph.get());
|
|
EliminateDeadCode(graph);
|
|
// Check that dead code elimin
|
|
testing::FileCheck().run(input, *graph);
|
|
}
|
|
} // namespace jit
|
|
} // namespace torch
|