[Mlir-commits] [mlir] Revert "[mlir][vector] Verify non-unit strides on `masked/expand/compress` ops (#210952)" (PR #215224)
Andrzej Warzyński
llvmlistbot at llvm.org
Mon Aug 10 02:18:36 PDT 2026
https://github.com/banach-space created https://github.com/llvm/llvm-project/pull/215224
This reverts commit ac646b5be0d7764a1dbeb86e4f8d54df2d4fd3eb.
The following integration tests are failing:
* Integration/Dialect/Linalg/CPU/ArmSME/matmul.mlir
* Integration/Dialect/Linalg/CPU/ArmSME/multi-tile-matmul-mixed-types.mlir
Failing bot:
* https://lab.llvm.org/buildbot/#/builders/121/builds/2588
>From 212a26a146f01af1fc6658ee267a2dc587a498cd Mon Sep 17 00:00:00 2001
From: Andrzej Warzynski <andrzej.warzynski at arm.com>
Date: Mon, 10 Aug 2026 09:15:17 +0000
Subject: [PATCH] Revert "[mlir][vector] Verify non-unit strides on
`masked/expand/compress` ops (#210952)"
This reverts commit ac646b5be0d7764a1dbeb86e4f8d54df2d4fd3eb.
The following integration tests are failing:
* Integration/Dialect/Linalg/CPU/ArmSME/matmul.mlir
* Integration/Dialect/Linalg/CPU/ArmSME/multi-tile-matmul-mixed-types.mlir
Failing bot:
* https://lab.llvm.org/buildbot/#/builders/121/builds/2588
---
mlir/lib/Dialect/Vector/IR/VectorOps.cpp | 24 -----
mlir/test/Dialect/Vector/invalid.mlir | 107 -----------------------
2 files changed, 131 deletions(-)
diff --git a/mlir/lib/Dialect/Vector/IR/VectorOps.cpp b/mlir/lib/Dialect/Vector/IR/VectorOps.cpp
index e169ca4fe0c82..9322c11d401d9 100644
--- a/mlir/lib/Dialect/Vector/IR/VectorOps.cpp
+++ b/mlir/lib/Dialect/Vector/IR/VectorOps.cpp
@@ -6299,9 +6299,6 @@ LogicalResult MaskedLoadOp::verify() {
VectorType resVType = getVectorType();
MemRefType memType = getMemRefType();
- if (failed(verifyLoadStoreMemRefLayout(*this, resVType, memType)))
- return failure();
-
// Negative strides are not supported on vector.maskedload. The lowering to
// LLVM emits arithmetic operations (e.g., GEP, mul) with nuw flags that
// assume non-negative strides to avoid undefined behavior.
@@ -6368,9 +6365,6 @@ LogicalResult MaskedStoreOp::verify() {
VectorType valueVType = getVectorType();
MemRefType memType = getMemRefType();
- if (failed(verifyLoadStoreMemRefLayout(*this, valueVType, memType)))
- return failure();
-
// Negative strides are not supported on vector.maskedstore. The lowering to
// LLVM emits arithmetic operations (e.g., GEP, mul) with nuw flags that
// assume non-negative strides to avoid undefined behavior.
@@ -6654,15 +6648,6 @@ LogicalResult ExpandLoadOp::verify() {
VectorType resVType = getVectorType();
MemRefType memType = getMemRefType();
- if (failed(verifyLoadStoreMemRefLayout(*this, resVType, memType)))
- return failure();
-
- // Negative strides are not supported on vector.expandload. The lowering to
- // LLVM emits arithmetic operations (e.g., GEP, mul) with nuw flags that
- // assume non-negative strides to avoid undefined behavior.
- if (memref::hasNegativeStaticStride(memType))
- return emitOpError("memref strides must be non-negative");
-
if (failed(
verifyElementTypesMatch(*this, memType, resVType, "base", "result")))
return failure();
@@ -6720,15 +6705,6 @@ LogicalResult CompressStoreOp::verify() {
VectorType valueVType = getVectorType();
MemRefType memType = getMemRefType();
- if (failed(verifyLoadStoreMemRefLayout(*this, valueVType, memType)))
- return failure();
-
- // Negative strides are not supported on vector.compressstore. The lowering
- // to LLVM emits arithmetic operations (e.g., GEP, mul) with nuw flags that
- // assume non-negative strides to avoid undefined behavior.
- if (memref::hasNegativeStaticStride(memType))
- return emitOpError("memref strides must be non-negative");
-
if (failed(verifyElementTypesMatch(*this, memType, valueVType, "base",
"valueToStore")))
return failure();
diff --git a/mlir/test/Dialect/Vector/invalid.mlir b/mlir/test/Dialect/Vector/invalid.mlir
index 4e5788dc28899..0097db39f6ed9 100644
--- a/mlir/test/Dialect/Vector/invalid.mlir
+++ b/mlir/test/Dialect/Vector/invalid.mlir
@@ -1422,24 +1422,6 @@ func.func @maskedload_negative_stride(%src: memref<100x100xf32, strided<[-100, 1
// -----
-func.func @maskedload_non_unit_stride(%src: memref<?xi8, strided<[2], offset: ?>>, %mask: vector<8xi1>, %pass: vector<8xi8>) -> vector<8xi8> {
- %c0 = arith.constant 0 : index
- // expected-error @+1 {{'vector.maskedload' op most minor memref dim must have unit stride}}
- %0 = vector.maskedload %src[%c0], %mask, %pass : memref<?xi8, strided<[2], offset: ?>>, vector<8xi1>, vector<8xi8> into vector<8xi8>
- return %0 : vector<8xi8>
-}
-
-// -----
-
-func.func @maskedload_dynamic_stride(%src: memref<?xi8, strided<[?], offset: ?>>, %mask: vector<8xi1>, %pass: vector<8xi8>) -> vector<8xi8> {
- %c0 = arith.constant 0 : index
- // expected-error @+1 {{'vector.maskedload' op most minor memref dim must have unit stride}}
- %0 = vector.maskedload %src[%c0], %mask, %pass : memref<?xi8, strided<[?], offset: ?>>, vector<8xi1>, vector<8xi8> into vector<8xi8>
- return %0 : vector<8xi8>
-}
-
-// -----
-
//===----------------------------------------------------------------------===//
// vector.maskedstore
//===----------------------------------------------------------------------===//
@@ -1493,24 +1475,6 @@ func.func @maskedstore_negative_stride(%src: memref<100x100xf32, strided<[-100,
// -----
-func.func @maskedstore_non_unit_stride(%src: memref<?xi8, strided<[2], offset: ?>>, %mask: vector<8xi1>, %value: vector<8xi8>) {
- %c0 = arith.constant 0 : index
- // expected-error @+1 {{'vector.maskedstore' op most minor memref dim must have unit stride}}
- vector.maskedstore %src[%c0], %mask, %value : memref<?xi8, strided<[2], offset: ?>>, vector<8xi1>, vector<8xi8>
- return
-}
-
-// -----
-
-func.func @maskedstore_dynamic_stride(%src: memref<?xi8, strided<[?], offset: ?>>, %mask: vector<8xi1>, %value: vector<8xi8>) {
- %c0 = arith.constant 0 : index
- // expected-error @+1 {{'vector.maskedstore' op most minor memref dim must have unit stride}}
- vector.maskedstore %src[%c0], %mask, %value : memref<?xi8, strided<[?], offset: ?>>, vector<8xi1>, vector<8xi8>
- return
-}
-
-// -----
-
func.func @gather_from_vector(%base: vector<16xf32>, %indices: vector<16xi32>,
%mask: vector<16xi1>, %pass_thru: vector<16xf32>) {
%c0 = arith.constant 0 : index
@@ -1777,33 +1741,6 @@ func.func @expand_scalable_dims_mismatch(%base: memref<?xf32>, %mask: vector<16x
// -----
-func.func @expandload_non_unit_stride(%src: memref<?xi8, strided<[2], offset: ?>>, %mask: vector<8xi1>, %pass_thru: vector<8xi8>) -> vector<8xi8> {
- %c0 = arith.constant 0 : index
- // expected-error @+1 {{'vector.expandload' op most minor memref dim must have unit stride}}
- %0 = vector.expandload %src[%c0], %mask, %pass_thru : memref<?xi8, strided<[2], offset: ?>>, vector<8xi1>, vector<8xi8> into vector<8xi8>
- return %0 : vector<8xi8>
-}
-
-// -----
-
-func.func @expandload_dynamic_stride(%src: memref<?xi8, strided<[?], offset: ?>>, %mask: vector<8xi1>, %pass_thru: vector<8xi8>) -> vector<8xi8> {
- %c0 = arith.constant 0 : index
- // expected-error @+1 {{'vector.expandload' op most minor memref dim must have unit stride}}
- %0 = vector.expandload %src[%c0], %mask, %pass_thru : memref<?xi8, strided<[?], offset: ?>>, vector<8xi1>, vector<8xi8> into vector<8xi8>
- return %0 : vector<8xi8>
-}
-
-// -----
-
-func.func @expandload_negative_stride(%src: memref<100x100xf32, strided<[-100, 1]>>, %mask: vector<8xi1>, %pass_thru: vector<8xf32>) -> vector<8xf32> {
- %c0 = arith.constant 0 : index
- // expected-error @+1 {{'vector.expandload' op memref strides must be non-negative}}
- %0 = vector.expandload %src[%c0, %c0], %mask, %pass_thru : memref<100x100xf32, strided<[-100, 1]>>, vector<8xi1>, vector<8xf32> into vector<8xf32>
- return %0 : vector<8xf32>
-}
-
-// -----
-
func.func @compress_base_type_mismatch(%base: memref<?xf64>, %mask: vector<16xi1>, %value: vector<16xf32>) {
%c0 = arith.constant 0 : index
// expected-error at +1 {{'vector.compressstore' op base element type ('f64') does not match valueToStore element type ('f32')}}
@@ -1858,33 +1795,6 @@ func.func @compress_scalable_dims_mismatch(%base: memref<?xf32>, %mask: vector<1
// -----
-func.func @compressstore_non_unit_stride(%src: memref<?xi8, strided<[2], offset: ?>>, %mask: vector<8xi1>, %value: vector<8xi8>) {
- %c0 = arith.constant 0 : index
- // expected-error @+1 {{'vector.compressstore' op most minor memref dim must have unit stride}}
- vector.compressstore %src[%c0], %mask, %value : memref<?xi8, strided<[2], offset: ?>>, vector<8xi1>, vector<8xi8>
- return
-}
-
-// -----
-
-func.func @compressstore_dynamic_stride(%src: memref<?xi8, strided<[?], offset: ?>>, %mask: vector<8xi1>, %value: vector<8xi8>) {
- %c0 = arith.constant 0 : index
- // expected-error @+1 {{'vector.compressstore' op most minor memref dim must have unit stride}}
- vector.compressstore %src[%c0], %mask, %value : memref<?xi8, strided<[?], offset: ?>>, vector<8xi1>, vector<8xi8>
- return
-}
-
-// -----
-
-func.func @compressstore_negative_stride(%src: memref<100x100xf32, strided<[-100, 1]>>, %mask: vector<8xi1>, %value: vector<8xf32>) {
- %c0 = arith.constant 0 : index
- // expected-error @+1 {{'vector.compressstore' op memref strides must be non-negative}}
- vector.compressstore %src[%c0, %c0], %mask, %value : memref<100x100xf32, strided<[-100, 1]>>, vector<8xi1>, vector<8xf32>
- return
-}
-
-// -----
-
func.func @scan_reduction_dim_constraint(%arg0: vector<2x3xi32>, %arg1: vector<3xi32>) -> vector<3xi32> {
// expected-error at +1 {{'vector.scan' op reduction dimension 5 has to be less than 2}}
%0:2 = vector.scan <add>, %arg0, %arg1 {inclusive = true, reduction_dim = 5} :
@@ -2268,15 +2178,6 @@ func.func @load_non_unit_stride(%src : memref<?xi8, strided<[2], offset: ?>>) {
// -----
-func.func @load_dynamic_stride(%src : memref<?xi8, strided<[?], offset: ?>>) {
- %c0 = arith.constant 0 : index
- // expected-error @+1 {{'vector.load' op most minor memref dim must have unit stride}}
- %0 = vector.load %src[%c0] : memref<?xi8, strided<[?], offset: ?>>, vector<16xi8>
- return
-}
-
-// -----
-
//===----------------------------------------------------------------------===//
// vector.store
//===----------------------------------------------------------------------===//
@@ -2313,14 +2214,6 @@ func.func @store_non_unit_stride(%src : memref<?xi8, strided<[2], offset:?>>,%va
// -----
-func.func @store_dynamic_stride(%src : memref<?xi8, strided<[?], offset: ?>>, %val : vector<16xi8>, %c0: index) {
- // expected-error @below {{'vector.store' op most minor memref dim must have unit stride}}
- vector.store %val, %src[%c0] : memref<?xi8, strided<[?], offset: ?>>, vector<16xi8>
- return
-}
-
-// -----
-
func.func @store_negative_stride(%src: memref<100x100xf32, strided<[-100, 1]>>, %val: vector<4xf32>) {
// expected-error @+2 {{'vector.store' op memref strides must be non-negative}}
%c0 = arith.constant 0 : index
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