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109bc1047e
Summary: This is the initial skeleton for C++ codegen, it includes generations for Allocate and Free. Pull Request resolved: https://github.com/pytorch/pytorch/pull/51070 Test Plan: New unit tests are added to `test_cpp_codegen.cpp`. Reviewed By: ZolotukhinM Differential Revision: D26061818 Pulled By: cheng-chang fbshipit-source-id: b5256b2dcee6b2583ba73b6c9684994dbe7cdc1f
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
#include <gtest/gtest.h>
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#include <test/cpp/tensorexpr/test_base.h>
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#include <torch/csrc/jit/testing/file_check.h>
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#include "torch/csrc/jit/tensorexpr/cpp_codegen.h"
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#include "torch/csrc/jit/tensorexpr/mem_arena.h"
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#include "torch/csrc/jit/tensorexpr/stmt.h"
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namespace torch {
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namespace jit {
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using namespace torch::jit::tensorexpr;
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TEST(CppPrinter, AllocateOnStackThenFree) {
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constexpr int dim0 = 2, dim1 = 3;
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KernelScope kernel_scope;
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VarHandle var("x", kHandle);
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Allocate* alloc = Allocate::make(var, kInt, {dim0, dim1});
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Free* free = Free::make(var);
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Block* block = Block::make({alloc, free});
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std::stringstream ss;
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CppPrinter printer(&ss);
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printer.visit(block);
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const std::string expected = R"(
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# CHECK: {
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# CHECK: int x[6];
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# CHECK: }
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)";
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torch::jit::testing::FileCheck().run(expected, ss.str());
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}
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TEST(CppPrinter, AllocateOnHeapThenFree) {
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constexpr int dim0 = 20, dim1 = 50, dim2 = 3;
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KernelScope kernel_scope;
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VarHandle var("y", kHandle);
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Allocate* alloc = Allocate::make(var, kLong, {dim0, dim1, dim2});
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Free* free = Free::make(var);
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Block* block = Block::make({alloc, free});
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std::stringstream ss;
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CppPrinter printer(&ss);
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printer.visit(block);
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// size(long) = 8;
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// dim0 * dim1 * dim2 * size(long) = 24000.
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const std::string expected = R"(
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# CHECK: {
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# CHECK: int64_t* y = static_cast<int64_t*>(malloc(24000));
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# CHECK: free(y);
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# CHECK: }
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)";
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torch::jit::testing::FileCheck().run(expected, ss.str());
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}
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} // namespace jit
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} // namespace torch
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