Skip to content

[mlir][test] Add unittests for getInversePermutation #116945

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 2 commits into from
Nov 22, 2024
Merged

[mlir][test] Add unittests for getInversePermutation #116945

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
9d41db6
[mlir][test] Add unittests for `getInversePermutation`
banach-space Nov 20, 2024
ed5aab1
fixup! [mlir][test] Add unittests for `getInversePermutation`
banach-space Nov 22, 2024
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
54 changes: 54 additions & 0 deletions mlir/unittests/IR/AffineMapTest.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -76,3 +76,57 @@ TEST(AffineMapTest, isProjectedPermutation) {
AffineMap map10 = AffineMap::get(6, 0, {d5, d3, d2, d4}, &ctx);
EXPECT_TRUE(map10.isProjectedPermutation());
}

TEST(AffineMapTest, getInversePermutation) {
MLIRContext ctx;
OpBuilder b(&ctx);

// 0. Empty map
AffineMap map0 = AffineMap::get(0, 0, {}, &ctx);
AffineMap inverseMap0 = inversePermutation(map0);
EXPECT_TRUE(inverseMap0.isEmpty());

auto d0 = b.getAffineDimExpr(0);
auto d1 = b.getAffineDimExpr(1);
auto d2 = b.getAffineDimExpr(2);

// 1. (d0, d1, d2) -> (d1, d1, d0, d2, d1, d2, d1, d0)
AffineMap map1 = AffineMap::get(3, 0, {d1, d1, d0, d2, d1, d2, d1, d0}, &ctx);
// (d0, d1, d2, d3, d4, d5, d6, d7) -> (d2, d0, d3)
AffineMap inverseMap1 = inversePermutation(map1);
auto resultsInv1 = inverseMap1.getResults();
EXPECT_EQ(resultsInv1.size(), 3UL);

// 1.1 Expect d2
AffineDimExpr expr = llvm::dyn_cast<AffineDimExpr>(resultsInv1[0]);
EXPECT_TRUE(expr && expr.getPosition() == 2);

// 1.2 Expect d0
expr = llvm::dyn_cast<AffineDimExpr>(resultsInv1[1]);
EXPECT_TRUE(expr && expr.getPosition() == 0);

// 1.3 Expect d3
expr = llvm::dyn_cast<AffineDimExpr>(resultsInv1[2]);
EXPECT_TRUE(expr && expr.getPosition() == 3);

// 2. (d0, d1, d2) -> (d1, d0 + d1, d0, d2, d1, d2, d1, d0)
auto sum = d0 + d1;
AffineMap map2 =
AffineMap::get(3, 0, {d1, sum, d0, d2, d1, d2, d1, d0}, &ctx);
// (d0, d1, d2, d3, d4, d5, d6, d7) -> (d2, d0, d3)
AffineMap inverseMap2 = inversePermutation(map2);
auto resultsInv2 = inverseMap2.getResults();
EXPECT_EQ(resultsInv2.size(), 3UL);

// 2.1 Expect d2
expr = llvm::dyn_cast<AffineDimExpr>(resultsInv2[0]);
EXPECT_TRUE(expr && expr.getPosition() == 2);

// 2.2 Expect d0
expr = llvm::dyn_cast<AffineDimExpr>(resultsInv2[1]);
EXPECT_TRUE(expr && expr.getPosition() == 0);

// 2.3 Expect d3
expr = llvm::dyn_cast<AffineDimExpr>(resultsInv2[2]);
EXPECT_TRUE(expr && expr.getPosition() == 3);
}
Loading