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47a2e6b6b8
Currently C++20 fails because of incorrect template initialization order. This PR adjusted the order of theses classes and a constructor to address the issue. Pull Request resolved: https://github.com/pytorch/pytorch/pull/112333 Approved by: https://github.com/albanD
139 lines
3.7 KiB
C++
139 lines
3.7 KiB
C++
#include <gtest/gtest.h>
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#include <torch/csrc/jit/ir/ir.h>
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#include <torch/csrc/jit/passes/utils/memory_dag.h>
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namespace torch {
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namespace jit {
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TEST(MemoryDAGTest, Basic) {
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auto graph = std::make_shared<Graph>();
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const Value* aValue = graph->addInput();
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const Value* bValue = graph->addInput();
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const Value* cValue = graph->addInput();
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const Value* dValue = graph->addInput();
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const Value* eValue = graph->addInput();
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const Value* fValue = graph->addInput();
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const Value* gValue = graph->addInput();
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{
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// a <- b <- c
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// b <- d
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// a <- e
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// f <- e
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// g is by itself
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auto t = std::make_unique<MemoryDAGBuilder>();
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auto a = t->makeFreshValue(aValue);
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auto b = t->makeFreshValue(bValue);
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auto c = t->makeFreshValue(cValue);
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auto d = t->makeFreshValue(dValue);
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auto e = t->makeFreshValue(eValue);
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auto f = t->makeFreshValue(fValue);
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auto g = t->makeFreshValue(gValue);
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t->makePointerTo(b, a);
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t->makePointerTo(c, b);
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t->makePointerTo(d, b);
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t->makePointerTo(e, a);
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t->makePointerTo(e, f);
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auto dag = std::move(*t).createMemoryDAG();
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/**
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* Test mayAlias()
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*/
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// Values should alias themselves
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EXPECT_TRUE(dag->mayAlias(a, a));
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EXPECT_TRUE(dag->mayAlias(g, g));
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// Values that point to the same location should alias
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EXPECT_TRUE(dag->mayAlias(a, b));
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EXPECT_TRUE(dag->mayAlias(a, c));
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EXPECT_TRUE(dag->mayAlias(c, d));
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// e may point to a OR f
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EXPECT_TRUE(dag->mayAlias(e, a));
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EXPECT_TRUE(dag->mayAlias(e, f));
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// But a and f don't alias
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EXPECT_FALSE(dag->mayAlias(a, f));
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}
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{
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// x(y) -> x contains y
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// b(a)
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// c(a)
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auto t = std::make_unique<MemoryDAGBuilder>();
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auto a = t->makeFreshValue(aValue);
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auto b = t->makeFreshValue(bValue);
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t->addToContainedElements(a, b);
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auto c = t->makeFreshValue(cValue);
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t->addToContainedElements(a, c);
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auto dag = std::move(*t).createMemoryDAG();
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EXPECT_TRUE(dag->mayContainAlias(a, b));
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EXPECT_TRUE(dag->mayContainAlias(b, a));
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EXPECT_TRUE(dag->mayContainAlias(a, c));
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EXPECT_TRUE(dag->mayContainAlias(c, a));
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EXPECT_TRUE(dag->mayContainAlias(b, c));
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EXPECT_TRUE(dag->mayContainAlias(c, b));
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// containers contain an element in themselves
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EXPECT_TRUE(dag->mayContainAlias(b, b));
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EXPECT_TRUE(dag->mayContainAlias(c, c));
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EXPECT_TRUE(dag->mayContainAlias(a, a));
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}
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{
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// b(a)
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// c(a)
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// d(b(a))
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auto t = std::make_unique<MemoryDAGBuilder>();
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auto a = t->makeFreshValue(aValue);
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auto b = t->makeFreshValue(bValue);
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t->addToContainedElements(a, b);
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auto c = t->makeFreshValue(cValue);
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t->addToContainedElements(a, c);
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auto d = t->makeFreshValue(dValue);
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t->addToContainedElements(b, d);
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auto dag = std::move(*t).createMemoryDAG();
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EXPECT_TRUE(dag->mayContainAlias(b, d));
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EXPECT_TRUE(dag->mayContainAlias(d, b));
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EXPECT_TRUE(dag->mayContainAlias(c, d));
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EXPECT_TRUE(dag->mayContainAlias(d, c));
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EXPECT_TRUE(dag->mayContainAlias(a, d));
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}
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{
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// f(e)
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auto t = std::make_unique<MemoryDAGBuilder>();
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auto a = t->makeFreshValue(aValue);
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auto b = t->makeFreshValue(bValue);
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t->addToContainedElements(a, b);
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auto c = t->makeFreshValue(cValue);
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t->addToContainedElements(a, c);
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auto d = t->makeFreshValue(dValue);
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t->addToContainedElements(b, d);
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auto f = t->makeFreshValue(aValue);
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auto e = t->makeFreshValue(bValue);
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t->addToContainedElements(f, e);
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auto dag = std::move(*t).createMemoryDAG();
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for (auto elem : {a, b, c, d}) {
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EXPECT_FALSE(dag->mayContainAlias(f, elem));
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EXPECT_FALSE(dag->mayContainAlias(e, elem));
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}
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}
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}
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} // namespace jit
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} // namespace torch
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