Skip to content

[IR2Vec] Adding tests to check multiple invocations of getFunctionVector() and getInstVecMap() return same results #162365

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Oct 7, 2025
+56 −0
Merged

[IR2Vec] Adding tests to check multiple invocations of getFunctionVector() and getInstVecMap() return same results #162365

Show file tree
Hide file tree
Changes from 2 commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
2290ff5
Reinitialize Function Vectors
svkeerthy Oct 6, 2025
1739e5c
Adding tests
svkeerthy Oct 7, 2025
a32b12d
Fix formatting issues
svkeerthy Oct 7, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions llvm/lib/Analysis/IR2Vec.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -200,6 +200,8 @@ void Embedder::computeEmbeddings() const {
if (F.isDeclaration())
return;

FuncVector = Embedding(Dimension, 0.0);

// Consider only the basic blocks that are reachable from entry
for (const BasicBlock *BB : depth_first(&F)) {
computeEmbeddings(*BB);
Expand Down
54 changes: 54 additions & 0 deletions llvm/unittests/Analysis/IR2VecTest.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -430,6 +430,60 @@ TEST_F(IR2VecTestFixture, GetFunctionVector_FlowAware) {
EXPECT_TRUE(FuncVec.approximatelyEquals(Embedding(2, 58.1)));
}

TEST_F(IR2VecTestFixture, MultipleComputeEmbeddingsConsistency_Symbolic) {
auto Emb = Embedder::create(IR2VecKind::Symbolic, *F, *V);
ASSERT_TRUE(static_cast<bool>(Emb));

// Get initial function vector
const auto &FuncVec1 = Emb->getFunctionVector();

// Compute embeddings again by calling getFunctionVector multiple times
const auto &FuncVec2 = Emb->getFunctionVector();
const auto &FuncVec3 = Emb->getFunctionVector();

// All function vectors should be identical
EXPECT_TRUE(FuncVec1.approximatelyEquals(FuncVec2));
EXPECT_TRUE(FuncVec1.approximatelyEquals(FuncVec3));
EXPECT_TRUE(FuncVec2.approximatelyEquals(FuncVec3));

// Also check that instruction vectors remain consistent
const auto &InstMap1 = Emb->getInstVecMap();
const auto &InstMap2 = Emb->getInstVecMap();

EXPECT_EQ(InstMap1.size(), InstMap2.size());
for (const auto &[Inst, Vec1] : InstMap1) {
ASSERT_TRUE(InstMap2.count(Inst));
EXPECT_TRUE(Vec1.approximatelyEquals(InstMap2.at(Inst)));
}
}

TEST_F(IR2VecTestFixture, MultipleComputeEmbeddingsConsistency_FlowAware) {
auto Emb = Embedder::create(IR2VecKind::FlowAware, *F, *V);
ASSERT_TRUE(static_cast<bool>(Emb));

// Get initial function vector
const auto &FuncVec1 = Emb->getFunctionVector();

// Compute embeddings again by calling getFunctionVector multiple times
const auto &FuncVec2 = Emb->getFunctionVector();
const auto &FuncVec3 = Emb->getFunctionVector();

// All function vectors should be identical
EXPECT_TRUE(FuncVec1.approximatelyEquals(FuncVec2));
EXPECT_TRUE(FuncVec1.approximatelyEquals(FuncVec3));
EXPECT_TRUE(FuncVec2.approximatelyEquals(FuncVec3));

// Also check that instruction vectors remain consistent
const auto &InstMap1 = Emb->getInstVecMap();
const auto &InstMap2 = Emb->getInstVecMap();

EXPECT_EQ(InstMap1.size(), InstMap2.size());
for (const auto &[Inst, Vec1] : InstMap1) {
ASSERT_TRUE(InstMap2.count(Inst));
EXPECT_TRUE(Vec1.approximatelyEquals(InstMap2.at(Inst)));
}
}

static constexpr unsigned MaxOpcodes = Vocabulary::MaxOpcodes;
[[maybe_unused]]
static constexpr unsigned MaxTypeIDs = Vocabulary::MaxTypeIDs;
Expand Down
Loading