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spirv-opt: Add more tests to control dependence (#4410)

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In particular, adds tests for DoesBlockExist, ForEachBlockLabel, and
WhileEachBlockLabel.
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dong-ja 2021-07-28 15:56:51 -05:00 committed by GitHub
parent 7dadcf9c76
commit 4bcd13ff13
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1 changed files with 38 additions and 0 deletions
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38
test/opt/control_dependence.cpp
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@ -122,6 +122,43 @@ TEST(ControlDependenceTest, DependenceSimpleCFG) {
ControlDependenceAnalysis cdg;
cdg.ComputeControlDependenceGraph(cfg, pdom);
// Test DoesBlockExist.
for (uint32_t id = 10; id <= 19; id++) {
EXPECT_TRUE(cdg.DoesBlockExist(id));
}
EXPECT_TRUE(
cdg.DoesBlockExist(ControlDependenceAnalysis::kPseudoEntryBlock));
// Check blocks before/after valid range.
EXPECT_FALSE(cdg.DoesBlockExist(5));
EXPECT_FALSE(cdg.DoesBlockExist(25));
EXPECT_FALSE(cdg.DoesBlockExist(UINT32_MAX));
// Test ForEachBlockLabel.
std::set<uint32_t> block_labels;
cdg.ForEachBlockLabel([&block_labels](uint32_t id) {
bool inserted = block_labels.insert(id).second;
EXPECT_TRUE(inserted); // Should have no duplicates.
});
EXPECT_THAT(block_labels, testing::ElementsAre(0, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19));
{
// Test WhileEachBlockLabel.
uint32_t iters = 0;
EXPECT_TRUE(cdg.WhileEachBlockLabel([&iters](uint32_t) {
++iters;
return true;
}));
EXPECT_EQ((uint32_t)block_labels.size(), iters);
iters = 0;
EXPECT_FALSE(cdg.WhileEachBlockLabel([&iters](uint32_t) {
++iters;
return false;
}));
EXPECT_EQ(1, iters);
}
// Test IsDependent.
EXPECT_TRUE(cdg.IsDependent(12, 11));
EXPECT_TRUE(cdg.IsDependent(13, 11));
EXPECT_TRUE(cdg.IsDependent(15, 14));
@ -137,6 +174,7 @@ TEST(ControlDependenceTest, DependenceSimpleCFG) {
EXPECT_FALSE(cdg.IsDependent(19, 14));
EXPECT_FALSE(cdg.IsDependent(12, 0));
// Test GetDependenceSources/Targets.
std::vector<ControlDependence> edges;
GatherEdges(cdg, edges);
EXPECT_THAT(edges,