[Mlir-commits] [mlir] [mlir][memref] Add ValueBoundsOpInterface external models for the memref operations extract_strided_metadata and assume_alignment (PR #206466)
Hagai Lev Hacohen
llvmlistbot at llvm.org
Mon Jun 29 06:09:37 PDT 2026
https://github.com/HagaiLevHacohen updated https://github.com/llvm/llvm-project/pull/206466
>From ff19e73a96368887c0166aae9733bbfc1ca66dca Mon Sep 17 00:00:00 2001
From: Hagai Lev Hacohen <hagai4000 at gmail.com>
Date: Mon, 29 Jun 2026 14:14:26 +0300
Subject: [PATCH 1/6] Add valuebounds implementation for
memref.extract_strided_metadata and memref.assume_alignment
---
mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp | 2 +-
.../MemRef/IR/ValueBoundsOpInterfaceImpl.cpp | 48 +++++++++++++++++++
.../value-bounds-op-interface-impl.mlir | 37 ++++++++++++++
3 files changed, 86 insertions(+), 1 deletion(-)
diff --git a/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp b/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
index a1e3f10a871c1..6b8dcf60792b9 100644
--- a/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
@@ -56,7 +56,7 @@ void mlir::memref::MemRefDialect::initialize() {
AtomicRMWOp, CastOp, CopyOp, DimOp, ExpandShapeOp,
GenericAtomicRMWOp, LoadOp, StoreOp, SubViewOp>();
declarePromisedInterfaces<ValueBoundsOpInterface, AllocOp, AllocaOp, CastOp,
- DimOp, GetGlobalOp, RankOp, SubViewOp>();
+ DimOp, GetGlobalOp, RankOp, SubViewOp, AssumeAlignmentOp, ExtractStridedMetadataOp>();
declarePromisedInterface<DestructurableTypeInterface, MemRefType>();
}
diff --git a/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp b/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
index 69afbcadb0b07..6ee50cda71aee 100644
--- a/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
@@ -142,6 +142,50 @@ struct SubViewOpInterface
}
};
+struct AssumeAlignmentOpInterface
+ : public ValueBoundsOpInterface::ExternalModel<AssumeAlignmentOpInterface,
+ memref::AssumeAlignmentOp> {
+ void populateBoundsForShapedValueDim(Operation *op, Value value, int64_t dim,
+ ValueBoundsConstraintSet &cstr) const {
+ auto assumeAlignmentOp = cast<memref::AssumeAlignmentOp>(op);
+ assert(value == assumeAlignmentOp.getResult() && "invalid value");
+
+ cstr.bound(value)[dim] ==
+ cstr.getExpr(assumeAlignmentOp.getViewSource(), dim);
+ }
+};
+
+struct ExtractStridedMetadataOpInterface
+ : public ValueBoundsOpInterface::ExternalModel<
+ ExtractStridedMetadataOpInterface, memref::ExtractStridedMetadataOp> {
+ void populateBoundsForIndexValue(Operation *op, Value value,
+ ValueBoundsConstraintSet &cstr) const {
+ auto metadataOp = cast<memref::ExtractStridedMetadataOp>(op);
+
+ if (value == metadataOp.getOffset()) {
+ cstr.bound(value) == metadataOp.getConstifiedMixedOffset();
+ return;
+ }
+
+ for (auto [idx, size] : llvm::enumerate(metadataOp.getSizes())) {
+ if (value != size)
+ continue;
+ cstr.bound(value) >= 0;
+ cstr.bound(value) == cstr.getExpr(metadataOp.getSource(), idx);
+ return;
+ }
+
+ SmallVector<OpFoldResult> strides = metadataOp.getConstifiedMixedStrides();
+ for (auto [idx, stride] : llvm::enumerate(metadataOp.getStrides())) {
+ if (value != stride)
+ continue;
+ cstr.bound(value) == strides[idx];
+ return;
+ }
+ llvm_unreachable("unexpected index value from extract_strided_metadata");
+ }
+};
+
} // namespace
} // namespace memref
} // namespace mlir
@@ -162,5 +206,9 @@ void mlir::memref::registerValueBoundsOpInterfaceExternalModels(
memref::GetGlobalOp::attachInterface<memref::GetGlobalOpInterface>(*ctx);
memref::RankOp::attachInterface<memref::RankOpInterface>(*ctx);
memref::SubViewOp::attachInterface<memref::SubViewOpInterface>(*ctx);
+ memref::AssumeAlignmentOp::attachInterface<memref::AssumeAlignmentOpInterface>(
+ *ctx);
+ memref::ExtractStridedMetadataOp::attachInterface<memref::ExtractStridedMetadataOpInterface>(
+ *ctx);
});
}
diff --git a/mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir b/mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir
index d0aec68d54988..7aa971916018f 100644
--- a/mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir
+++ b/mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir
@@ -127,3 +127,40 @@ func.func @memref_subview(%m: memref<?xf32>, %sz: index) -> index {
%1 = "test.reify_bound"(%0) {dim = 0} : (memref<?xf32, strided<[1], offset: 2>>) -> (index)
return %1 : index
}
+
+// -----
+
+// CHECK-LABEL: func @memref_assume_alignment(
+// CHECK-SAME: %[[sz:.*]]: index
+// CHECK: %[[c6:.*]] = arith.constant 6 : index
+// CHECK: %[[c1:.*]] = arith.constant 1 : index
+// CHECK: %[[dim:.*]] = memref.dim %{{.*}}, %[[c1]] : memref<6x?xf32>
+// CHECK: return %[[c6]], %[[dim]]
+func.func @memref_assume_alignment(%sz: index) -> (index, index) {
+ %0 = memref.alloc(%sz) : memref<6x?xf32>
+ %1 = memref.assume_alignment %0, 16 : memref<6x?xf32>
+ %2 = "test.reify_bound"(%1) {dim = 0} : (memref<6x?xf32>) -> (index)
+ %3 = "test.reify_bound"(%1) {dim = 1} : (memref<6x?xf32>) -> (index)
+ return %2, %3 : index, index
+}
+
+// -----
+
+// CHECK-LABEL: func @memref_extract_strided_metadata(
+// CHECK-SAME: %[[sz:.*]]: index
+// CHECK: %[[c0:.*]] = arith.constant 0 : index
+// CHECK: %[[c10:.*]] = arith.constant 10 : index
+// CHECK: %[[c1:.*]] = arith.constant 1 : index
+// CHECK: %[[dim:.*]] = memref.dim %{{.*}}, %[[c1]] : memref<10x?xf32>
+// CHECK: %[[c1_0:.*]] = arith.constant 1 : index
+// CHECK: return %[[c0]], %[[c10]], %[[dim]], %[[c1_0]]
+func.func @memref_extract_strided_metadata(%sz: index) -> (index, index, index, index) {
+ %0 = memref.alloc(%sz) : memref<10x?xf32>
+ %base, %offset, %sizes:2, %strides:2 = memref.extract_strided_metadata %0
+ : memref<10x?xf32> -> memref<f32>, index, index, index, index, index
+ %1 = "test.reify_bound"(%offset) : (index) -> (index)
+ %2 = "test.reify_bound"(%sizes#0) : (index) -> (index)
+ %3 = "test.reify_bound"(%sizes#1) : (index) -> (index)
+ %4 = "test.reify_bound"(%strides#1) : (index) -> (index)
+ return %1, %2, %3, %4 : index, index, index, index
+}
>From 7ed9b02e0d70c38e802021a04402c05ff45247e0 Mon Sep 17 00:00:00 2001
From: Hagai Lev Hacohen <hagai4000 at gmail.com>
Date: Mon, 29 Jun 2026 14:14:56 +0300
Subject: [PATCH 2/6] clang format
---
mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp | 3 ++-
mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp | 8 ++++----
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp b/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
index 6b8dcf60792b9..5e07b1131b550 100644
--- a/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
@@ -56,7 +56,8 @@ void mlir::memref::MemRefDialect::initialize() {
AtomicRMWOp, CastOp, CopyOp, DimOp, ExpandShapeOp,
GenericAtomicRMWOp, LoadOp, StoreOp, SubViewOp>();
declarePromisedInterfaces<ValueBoundsOpInterface, AllocOp, AllocaOp, CastOp,
- DimOp, GetGlobalOp, RankOp, SubViewOp, AssumeAlignmentOp, ExtractStridedMetadataOp>();
+ DimOp, GetGlobalOp, RankOp, SubViewOp,
+ AssumeAlignmentOp, ExtractStridedMetadataOp>();
declarePromisedInterface<DestructurableTypeInterface, MemRefType>();
}
diff --git a/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp b/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
index 6ee50cda71aee..9c8074c377081 100644
--- a/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
@@ -206,9 +206,9 @@ void mlir::memref::registerValueBoundsOpInterfaceExternalModels(
memref::GetGlobalOp::attachInterface<memref::GetGlobalOpInterface>(*ctx);
memref::RankOp::attachInterface<memref::RankOpInterface>(*ctx);
memref::SubViewOp::attachInterface<memref::SubViewOpInterface>(*ctx);
- memref::AssumeAlignmentOp::attachInterface<memref::AssumeAlignmentOpInterface>(
- *ctx);
- memref::ExtractStridedMetadataOp::attachInterface<memref::ExtractStridedMetadataOpInterface>(
- *ctx);
+ memref::AssumeAlignmentOp::attachInterface<
+ memref::AssumeAlignmentOpInterface>(*ctx);
+ memref::ExtractStridedMetadataOp::attachInterface<
+ memref::ExtractStridedMetadataOpInterface>(*ctx);
});
}
>From b13420ce234e69bb6856184106b34824d2142f56 Mon Sep 17 00:00:00 2001
From: Hagai Lev Hacohen <hagai4000 at gmail.com>
Date: Mon, 29 Jun 2026 14:50:49 +0300
Subject: [PATCH 3/6] rearrangement of placement of tests and functions
---
mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp | 5 +-
.../MemRef/IR/ValueBoundsOpInterfaceImpl.cpp | 88 +++++++++----------
.../value-bounds-op-interface-impl.mlir | 74 ++++++++--------
3 files changed, 83 insertions(+), 84 deletions(-)
diff --git a/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp b/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
index 5e07b1131b550..69b25f97dcc31 100644
--- a/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
@@ -55,9 +55,8 @@ void mlir::memref::MemRefDialect::initialize() {
declarePromisedInterfaces<RuntimeVerifiableOpInterface, AssumeAlignmentOp,
AtomicRMWOp, CastOp, CopyOp, DimOp, ExpandShapeOp,
GenericAtomicRMWOp, LoadOp, StoreOp, SubViewOp>();
- declarePromisedInterfaces<ValueBoundsOpInterface, AllocOp, AllocaOp, CastOp,
- DimOp, GetGlobalOp, RankOp, SubViewOp,
- AssumeAlignmentOp, ExtractStridedMetadataOp>();
+ declarePromisedInterfaces<ValueBoundsOpInterface, AllocOp, AllocaOp, AssumeAlignmentOp, CastOp,
+ DimOp, ExtractStridedMetadataOp, GetGlobalOp, RankOp, SubViewOp>();
declarePromisedInterface<DestructurableTypeInterface, MemRefType>();
}
diff --git a/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp b/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
index 9c8074c377081..042c8920fadd8 100644
--- a/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
@@ -30,6 +30,19 @@ struct AllocOpInterface
}
};
+struct AssumeAlignmentOpInterface
+ : public ValueBoundsOpInterface::ExternalModel<AssumeAlignmentOpInterface,
+ memref::AssumeAlignmentOp> {
+ void populateBoundsForShapedValueDim(Operation *op, Value value, int64_t dim,
+ ValueBoundsConstraintSet &cstr) const {
+ auto assumeAlignmentOp = cast<memref::AssumeAlignmentOp>(op);
+ assert(value == assumeAlignmentOp.getResult() && "invalid value");
+
+ cstr.bound(value)[dim] ==
+ cstr.getExpr(assumeAlignmentOp.getViewSource(), dim);
+ }
+};
+
struct CastOpInterface
: public ValueBoundsOpInterface::ExternalModel<CastOpInterface, CastOp> {
void populateBoundsForShapedValueDim(Operation *op, Value value, int64_t dim,
@@ -70,6 +83,37 @@ struct ExpandShapeOpInterface
}
};
+struct ExtractStridedMetadataOpInterface
+ : public ValueBoundsOpInterface::ExternalModel<
+ ExtractStridedMetadataOpInterface, memref::ExtractStridedMetadataOp> {
+ void populateBoundsForIndexValue(Operation *op, Value value,
+ ValueBoundsConstraintSet &cstr) const {
+ auto metadataOp = cast<memref::ExtractStridedMetadataOp>(op);
+
+ if (value == metadataOp.getOffset()) {
+ cstr.bound(value) == metadataOp.getConstifiedMixedOffset();
+ return;
+ }
+
+ for (auto [idx, size] : llvm::enumerate(metadataOp.getSizes())) {
+ if (value != size)
+ continue;
+ cstr.bound(value) >= 0;
+ cstr.bound(value) == cstr.getExpr(metadataOp.getSource(), idx);
+ return;
+ }
+
+ SmallVector<OpFoldResult> strides = metadataOp.getConstifiedMixedStrides();
+ for (auto [idx, stride] : llvm::enumerate(metadataOp.getStrides())) {
+ if (value != stride)
+ continue;
+ cstr.bound(value) == strides[idx];
+ return;
+ }
+ llvm_unreachable("unexpected index value from extract_strided_metadata");
+ }
+};
+
struct GetGlobalOpInterface
: public ValueBoundsOpInterface::ExternalModel<GetGlobalOpInterface,
GetGlobalOp> {
@@ -142,50 +186,6 @@ struct SubViewOpInterface
}
};
-struct AssumeAlignmentOpInterface
- : public ValueBoundsOpInterface::ExternalModel<AssumeAlignmentOpInterface,
- memref::AssumeAlignmentOp> {
- void populateBoundsForShapedValueDim(Operation *op, Value value, int64_t dim,
- ValueBoundsConstraintSet &cstr) const {
- auto assumeAlignmentOp = cast<memref::AssumeAlignmentOp>(op);
- assert(value == assumeAlignmentOp.getResult() && "invalid value");
-
- cstr.bound(value)[dim] ==
- cstr.getExpr(assumeAlignmentOp.getViewSource(), dim);
- }
-};
-
-struct ExtractStridedMetadataOpInterface
- : public ValueBoundsOpInterface::ExternalModel<
- ExtractStridedMetadataOpInterface, memref::ExtractStridedMetadataOp> {
- void populateBoundsForIndexValue(Operation *op, Value value,
- ValueBoundsConstraintSet &cstr) const {
- auto metadataOp = cast<memref::ExtractStridedMetadataOp>(op);
-
- if (value == metadataOp.getOffset()) {
- cstr.bound(value) == metadataOp.getConstifiedMixedOffset();
- return;
- }
-
- for (auto [idx, size] : llvm::enumerate(metadataOp.getSizes())) {
- if (value != size)
- continue;
- cstr.bound(value) >= 0;
- cstr.bound(value) == cstr.getExpr(metadataOp.getSource(), idx);
- return;
- }
-
- SmallVector<OpFoldResult> strides = metadataOp.getConstifiedMixedStrides();
- for (auto [idx, stride] : llvm::enumerate(metadataOp.getStrides())) {
- if (value != stride)
- continue;
- cstr.bound(value) == strides[idx];
- return;
- }
- llvm_unreachable("unexpected index value from extract_strided_metadata");
- }
-};
-
} // namespace
} // namespace memref
} // namespace mlir
diff --git a/mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir b/mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir
index 7aa971916018f..53a73a77b99c3 100644
--- a/mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir
+++ b/mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir
@@ -27,6 +27,22 @@ func.func @memref_alloca(%sz: index) -> (index, index) {
// -----
+// CHECK-LABEL: func @memref_assume_alignment(
+// CHECK-SAME: %[[sz:.*]]: index
+// CHECK: %[[c6:.*]] = arith.constant 6 : index
+// CHECK: %[[c1:.*]] = arith.constant 1 : index
+// CHECK: %[[dim:.*]] = memref.dim %{{.*}}, %[[c1]] : memref<6x?xf32>
+// CHECK: return %[[c6]], %[[dim]]
+func.func @memref_assume_alignment(%sz: index) -> (index, index) {
+ %0 = memref.alloc(%sz) : memref<6x?xf32>
+ %1 = memref.assume_alignment %0, 16 : memref<6x?xf32>
+ %2 = "test.reify_bound"(%1) {dim = 0} : (memref<6x?xf32>) -> (index)
+ %3 = "test.reify_bound"(%1) {dim = 1} : (memref<6x?xf32>) -> (index)
+ return %2, %3 : index, index
+}
+
+// -----
+
// CHECK-LABEL: func @memref_cast(
// CHECK: %[[c10:.*]] = arith.constant 10 : index
// CHECK: return %[[c10]]
@@ -77,6 +93,27 @@ func.func @memref_expand(%m: memref<?xf32>, %sz: index) -> (index, index) {
// -----
+// CHECK-LABEL: func @memref_extract_strided_metadata(
+// CHECK-SAME: %[[sz:.*]]: index
+// CHECK: %[[c0:.*]] = arith.constant 0 : index
+// CHECK: %[[c10:.*]] = arith.constant 10 : index
+// CHECK: %[[c1:.*]] = arith.constant 1 : index
+// CHECK: %[[dim:.*]] = memref.dim %{{.*}}, %[[c1]] : memref<10x?xf32>
+// CHECK: %[[c1_0:.*]] = arith.constant 1 : index
+// CHECK: return %[[c0]], %[[c10]], %[[dim]], %[[c1_0]]
+func.func @memref_extract_strided_metadata(%sz: index) -> (index, index, index, index) {
+ %0 = memref.alloc(%sz) : memref<10x?xf32>
+ %base, %offset, %sizes:2, %strides:2 = memref.extract_strided_metadata %0
+ : memref<10x?xf32> -> memref<f32>, index, index, index, index, index
+ %1 = "test.reify_bound"(%offset) : (index) -> (index)
+ %2 = "test.reify_bound"(%sizes#0) : (index) -> (index)
+ %3 = "test.reify_bound"(%sizes#1) : (index) -> (index)
+ %4 = "test.reify_bound"(%strides#1) : (index) -> (index)
+ return %1, %2, %3, %4 : index, index, index, index
+}
+
+// -----
+
// CHECK: #[[$MAP:.+]] = affine_map<()[s0] -> (s0 * 2)>
// CHECK-LABEL: func @memref_collapse(
// CHECK-SAME: %[[sz0:.*]]: index
@@ -127,40 +164,3 @@ func.func @memref_subview(%m: memref<?xf32>, %sz: index) -> index {
%1 = "test.reify_bound"(%0) {dim = 0} : (memref<?xf32, strided<[1], offset: 2>>) -> (index)
return %1 : index
}
-
-// -----
-
-// CHECK-LABEL: func @memref_assume_alignment(
-// CHECK-SAME: %[[sz:.*]]: index
-// CHECK: %[[c6:.*]] = arith.constant 6 : index
-// CHECK: %[[c1:.*]] = arith.constant 1 : index
-// CHECK: %[[dim:.*]] = memref.dim %{{.*}}, %[[c1]] : memref<6x?xf32>
-// CHECK: return %[[c6]], %[[dim]]
-func.func @memref_assume_alignment(%sz: index) -> (index, index) {
- %0 = memref.alloc(%sz) : memref<6x?xf32>
- %1 = memref.assume_alignment %0, 16 : memref<6x?xf32>
- %2 = "test.reify_bound"(%1) {dim = 0} : (memref<6x?xf32>) -> (index)
- %3 = "test.reify_bound"(%1) {dim = 1} : (memref<6x?xf32>) -> (index)
- return %2, %3 : index, index
-}
-
-// -----
-
-// CHECK-LABEL: func @memref_extract_strided_metadata(
-// CHECK-SAME: %[[sz:.*]]: index
-// CHECK: %[[c0:.*]] = arith.constant 0 : index
-// CHECK: %[[c10:.*]] = arith.constant 10 : index
-// CHECK: %[[c1:.*]] = arith.constant 1 : index
-// CHECK: %[[dim:.*]] = memref.dim %{{.*}}, %[[c1]] : memref<10x?xf32>
-// CHECK: %[[c1_0:.*]] = arith.constant 1 : index
-// CHECK: return %[[c0]], %[[c10]], %[[dim]], %[[c1_0]]
-func.func @memref_extract_strided_metadata(%sz: index) -> (index, index, index, index) {
- %0 = memref.alloc(%sz) : memref<10x?xf32>
- %base, %offset, %sizes:2, %strides:2 = memref.extract_strided_metadata %0
- : memref<10x?xf32> -> memref<f32>, index, index, index, index, index
- %1 = "test.reify_bound"(%offset) : (index) -> (index)
- %2 = "test.reify_bound"(%sizes#0) : (index) -> (index)
- %3 = "test.reify_bound"(%sizes#1) : (index) -> (index)
- %4 = "test.reify_bound"(%strides#1) : (index) -> (index)
- return %1, %2, %3, %4 : index, index, index, index
-}
>From 3e63cab4bce2217a81b21562797db2d2aa6da382 Mon Sep 17 00:00:00 2001
From: Hagai Lev Hacohen <hagai4000 at gmail.com>
Date: Mon, 29 Jun 2026 14:51:16 +0300
Subject: [PATCH 4/6] clang format
---
mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp b/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
index 69b25f97dcc31..8cecf5a4897e9 100644
--- a/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/MemRefDialect.cpp
@@ -55,8 +55,9 @@ void mlir::memref::MemRefDialect::initialize() {
declarePromisedInterfaces<RuntimeVerifiableOpInterface, AssumeAlignmentOp,
AtomicRMWOp, CastOp, CopyOp, DimOp, ExpandShapeOp,
GenericAtomicRMWOp, LoadOp, StoreOp, SubViewOp>();
- declarePromisedInterfaces<ValueBoundsOpInterface, AllocOp, AllocaOp, AssumeAlignmentOp, CastOp,
- DimOp, ExtractStridedMetadataOp, GetGlobalOp, RankOp, SubViewOp>();
+ declarePromisedInterfaces<
+ ValueBoundsOpInterface, AllocOp, AllocaOp, AssumeAlignmentOp, CastOp,
+ DimOp, ExtractStridedMetadataOp, GetGlobalOp, RankOp, SubViewOp>();
declarePromisedInterface<DestructurableTypeInterface, MemRefType>();
}
>From 2facf25a33b1bd534650d7be87e2b21ed4af761e Mon Sep 17 00:00:00 2001
From: Hagai Lev Hacohen <hagai4000 at gmail.com>
Date: Mon, 29 Jun 2026 16:08:06 +0300
Subject: [PATCH 5/6] made changes according to review
---
.../MemRef/IR/ValueBoundsOpInterfaceImpl.cpp | 21 +++++++-----
.../value-bounds-op-interface-impl.mlir | 32 ++++++++++---------
2 files changed, 30 insertions(+), 23 deletions(-)
diff --git a/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp b/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
index 042c8920fadd8..aacdd8d9caa9f 100644
--- a/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
@@ -89,24 +89,29 @@ struct ExtractStridedMetadataOpInterface
void populateBoundsForIndexValue(Operation *op, Value value,
ValueBoundsConstraintSet &cstr) const {
auto metadataOp = cast<memref::ExtractStridedMetadataOp>(op);
+ auto result = llvm::cast<OpResult>(value);
+ assert(result.getOwner() == op && "invalid value");
+ int64_t resultNumber = result.getResultNumber();
- if (value == metadataOp.getOffset()) {
+ if (resultNumber == 1) {
cstr.bound(value) == metadataOp.getConstifiedMixedOffset();
return;
}
- for (auto [idx, size] : llvm::enumerate(metadataOp.getSizes())) {
- if (value != size)
- continue;
+ int64_t sourceRank = metadataOp.getSource().getType().getRank();
+ int64_t sizeStart = 2;
+ int64_t strideStart = sizeStart + sourceRank;
+ if (resultNumber >= sizeStart && resultNumber < strideStart) {
+ int64_t idx = resultNumber - sizeStart;
cstr.bound(value) >= 0;
cstr.bound(value) == cstr.getExpr(metadataOp.getSource(), idx);
return;
}
- SmallVector<OpFoldResult> strides = metadataOp.getConstifiedMixedStrides();
- for (auto [idx, stride] : llvm::enumerate(metadataOp.getStrides())) {
- if (value != stride)
- continue;
+ int64_t strideEnd = strideStart + sourceRank;
+ if (resultNumber >= strideStart && resultNumber < strideEnd) {
+ int64_t idx = resultNumber - strideStart;
+ SmallVector<OpFoldResult> strides = metadataOp.getConstifiedMixedStrides();
cstr.bound(value) == strides[idx];
return;
}
diff --git a/mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir b/mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir
index 53a73a77b99c3..32af830aa1ea7 100644
--- a/mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir
+++ b/mlir/test/Dialect/MemRef/value-bounds-op-interface-impl.mlir
@@ -93,23 +93,25 @@ func.func @memref_expand(%m: memref<?xf32>, %sz: index) -> (index, index) {
// -----
-// CHECK-LABEL: func @memref_extract_strided_metadata(
-// CHECK-SAME: %[[sz:.*]]: index
-// CHECK: %[[c0:.*]] = arith.constant 0 : index
-// CHECK: %[[c10:.*]] = arith.constant 10 : index
+// CHECK-LABEL: func @memref_extract_strided_metadata_static_metadata(
+// CHECK-SAME: %[[m:.*]]: memref<4x?xf32, strided<[11, 7], offset: 5>>
+// CHECK: %[[c5:.*]] = arith.constant 5 : index
+// CHECK: %[[c4:.*]] = arith.constant 4 : index
// CHECK: %[[c1:.*]] = arith.constant 1 : index
-// CHECK: %[[dim:.*]] = memref.dim %{{.*}}, %[[c1]] : memref<10x?xf32>
-// CHECK: %[[c1_0:.*]] = arith.constant 1 : index
-// CHECK: return %[[c0]], %[[c10]], %[[dim]], %[[c1_0]]
-func.func @memref_extract_strided_metadata(%sz: index) -> (index, index, index, index) {
- %0 = memref.alloc(%sz) : memref<10x?xf32>
- %base, %offset, %sizes:2, %strides:2 = memref.extract_strided_metadata %0
- : memref<10x?xf32> -> memref<f32>, index, index, index, index, index
- %1 = "test.reify_bound"(%offset) : (index) -> (index)
- %2 = "test.reify_bound"(%sizes#0) : (index) -> (index)
- %3 = "test.reify_bound"(%sizes#1) : (index) -> (index)
+// CHECK: %[[dim:.*]] = memref.dim %[[m]], %[[c1]]
+// CHECK: %[[c11:.*]] = arith.constant 11 : index
+// CHECK: %[[c7:.*]] = arith.constant 7 : index
+// CHECK: return %[[c5]], %[[c4]], %[[dim]], %[[c11]], %[[c7]]
+func.func @memref_extract_strided_metadata_static_metadata(
+ %m: memref<4x?xf32, strided<[11, 7], offset: 5>>) -> (index, index, index, index, index) {
+ %base, %offset, %sizes:2, %strides:2 = memref.extract_strided_metadata %m
+ : memref<4x?xf32, strided<[11, 7], offset: 5>> -> memref<f32>, index, index, index, index, index
+ %0 = "test.reify_bound"(%offset) : (index) -> (index)
+ %1 = "test.reify_bound"(%sizes#0) : (index) -> (index)
+ %2 = "test.reify_bound"(%sizes#1) : (index) -> (index)
+ %3 = "test.reify_bound"(%strides#0) : (index) -> (index)
%4 = "test.reify_bound"(%strides#1) : (index) -> (index)
- return %1, %2, %3, %4 : index, index, index, index
+ return %0, %1, %2, %3, %4 : index, index, index, index, index
}
// -----
>From 5bfa3551e678f92b6accb02fc7cc9fc3607a5500 Mon Sep 17 00:00:00 2001
From: Hagai Lev Hacohen <hagai4000 at gmail.com>
Date: Mon, 29 Jun 2026 16:09:16 +0300
Subject: [PATCH 6/6] clang format
---
mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp b/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
index aacdd8d9caa9f..8408b166a6b2a 100644
--- a/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/ValueBoundsOpInterfaceImpl.cpp
@@ -111,7 +111,8 @@ struct ExtractStridedMetadataOpInterface
int64_t strideEnd = strideStart + sourceRank;
if (resultNumber >= strideStart && resultNumber < strideEnd) {
int64_t idx = resultNumber - strideStart;
- SmallVector<OpFoldResult> strides = metadataOp.getConstifiedMixedStrides();
+ SmallVector<OpFoldResult> strides =
+ metadataOp.getConstifiedMixedStrides();
cstr.bound(value) == strides[idx];
return;
}
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