[Mlir-commits] [mlir] 790a132 - [mlir][amx] Increase op verifier test coverage (#155264)

[llvmlistbot at llvm.org]

Author: Adam Siemieniuk
Date: 2025-08-25T18:33:08+02:00
New Revision: 790a132b8535e28d118ba3c9f5e02dd7853bbac4

URL: https://github.com/llvm/llvm-project/commit/790a132b8535e28d118ba3c9f5e02dd7853bbac4
DIFF: https://github.com/llvm/llvm-project/commit/790a132b8535e28d118ba3c9f5e02dd7853bbac4.diff

LOG: [mlir][amx] Increase op verifier test coverage (#155264)

Refactors and adds more test cases for invalid AMX operations.

Added: 
    

Modified: 
    mlir/test/Dialect/AMX/invalid.mlir

Removed: 
    


################################################################################
diff  --git a/mlir/test/Dialect/AMX/invalid.mlir b/mlir/test/Dialect/AMX/invalid.mlir
index 8febe1605e33a..a401770240d0a 100644
--- a/mlir/test/Dialect/AMX/invalid.mlir
+++ b/mlir/test/Dialect/AMX/invalid.mlir
@@ -1,48 +1,142 @@
 // RUN: mlir-opt %s -split-input-file -verify-diagnostics
 
-// -----
-
-func.func @rowheight() {
+func.func @tile_row_height() {
   // expected-error at +1 {{'amx.tile_zero' op bad row height: 17}}
   %0 = amx.tile_zero : !amx.tile<17x16xbf16>
+  return
 }
 
 // -----
 
-func.func @colwidth() {
+func.func @tile_col_width() {
   // expected-error at +1 {{'amx.tile_zero' op bad column width: 65}}
   %0 = amx.tile_zero : !amx.tile<16x65xi8>
+  return
 }
 
 // -----
 
-func.func @col4bytemultiple() {
+func.func @tile_col_4_byte_multiple() {
   // expected-error at +1 {{'amx.tile_zero' op bad column width: 5}}
   %0 = amx.tile_zero : !amx.tile<16x5xi8>
+  return
 }
 
 // -----
 
-func.func @memtilesize(%arg0: memref<?x?xf32>) {
+func.func @load_base_tilesize(%arg0: memref<?x?xf32>) {
   %0 = arith.constant 0 : index
   // expected-error at +1 {{'amx.tile_load' op bad column width: 68}}
   %1 = amx.tile_load %arg0[%0, %0] : memref<?x?xf32> into !amx.tile<16x17xf32>
+  return
+}
+
+// -----
+
+func.func @store_base_tilesize(%arg0: memref<?x?xf32>, %arg1: !amx.tile<16x17xf32>) {
+  %0 = arith.constant 0 : index
+  // expected-error at +1 {{'amx.tile_store' op bad column width: 68}}
+  amx.tile_store %arg0[%0, %0], %arg1 : memref<?x?xf32>, !amx.tile<16x17xf32>
+  return
 }
 
 // -----
 
-func.func @memindexsize(%arg0: memref<?x?xf32>) {
+func.func @load_base_indexsize(%arg0: memref<?x?xf32>) {
   %0 = arith.constant 0 : index
   // expected-error at +1 {{'amx.tile_load' op requires 2 indices}}
   %1 = amx.tile_load %arg0[%0] : memref<?x?xf32> into !amx.tile<16x16xf32>
+  return
+}
+
+// -----
+
+func.func @store_base_indexsize(%arg0: memref<?x?xf32>, %arg1: !amx.tile<16x16xf32>) {
+  %0 = arith.constant 0 : index
+  // expected-error at +1 {{'amx.tile_store' op requires 2 indices}}
+  amx.tile_store %arg0[%0], %arg1 : memref<?x?xf32>, !amx.tile<16x16xf32>
+  return
 }
 
 // -----
 
-func.func @multsize() {
+func.func @load_base_rank(%arg0: memref<?xf32>) {
+  %0 = arith.constant 0 : index
+  // expected-error at +1 {{'amx.tile_load' op requires at least 2D memref}}
+  %1 = amx.tile_load %arg0[%0] : memref<?xf32> into !amx.tile<16x16xf32>
+  return
+}
+
+// -----
+
+func.func @store_base_rank(%arg0: memref<?xf32>, %arg1: !amx.tile<16x16xf32>) {
+  %0 = arith.constant 0 : index
+  // expected-error at +1 {{'amx.tile_store' op requires at least 2D memref}}
+  amx.tile_store %arg0[%0], %arg1 : memref<?xf32>, !amx.tile<16x16xf32>
+  return
+}
+
+// -----
+
+func.func @load_base_non_unit_stride(%arg0: memref<?x?xf32, strided<[?, ?]>>) {
+  %0 = arith.constant 0 : index
+  // expected-error at +1 {{'amx.tile_load' op requires memref with unit innermost stride}}
+  %1 = amx.tile_load %arg0[%0, %0]
+    : memref<?x?xf32, strided<[?, ?]>> into !amx.tile<16x16xf32>
+  return
+}
+
+// -----
+
+func.func @store_base_non_unit_stride(%arg0: memref<?x?xf32, strided<[?, ?]>>,
+    %arg1: !amx.tile<16x16xf32>) {
+  %0 = arith.constant 0 : index
+  // expected-error at +1 {{'amx.tile_store' op requires memref with unit innermost stride}}
+  amx.tile_store %arg0[%0, %0], %arg1
+    : memref<?x?xf32, strided<[?, ?]>>, !amx.tile<16x16xf32>
+  return
+}
+
+// -----
+
+func.func @mulf_shape() {
   %0 = amx.tile_zero : !amx.tile<8x8xbf16>
   %1 = amx.tile_zero : !amx.tile<8x8xbf16>
   %2 = amx.tile_zero : !amx.tile<4x4xf32>
   // expected-error at +1 {{'amx.tile_mulf' op bad mult shape: 4 x 4 x 4}}
   %3 = amx.tile_mulf %0, %1, %2 : !amx.tile<8x8xbf16>, !amx.tile<8x8xbf16>, !amx.tile<4x4xf32>
+  return
+}
+
+// -----
+
+func.func @mulf_type_combination() {
+  %0 = amx.tile_zero : !amx.tile<8x8xbf16>
+  %1 = amx.tile_zero : !amx.tile<4x8xf16>
+  %2 = amx.tile_zero : !amx.tile<8x4xf32>
+  // expected-error at +1 {{'amx.tile_mulf' op unsupported type combination}}
+  %3 = amx.tile_mulf %0, %1, %2 : !amx.tile<8x8xbf16>, !amx.tile<4x8xf16>, !amx.tile<8x4xf32>
+  return
+}
+
+// -----
+
+func.func @muli_shape() {
+  %0 = amx.tile_zero : !amx.tile<8x8xi8>
+  %1 = amx.tile_zero : !amx.tile<8x8xi8>
+  %2 = amx.tile_zero : !amx.tile<4x4xi32>
+  // expected-error at +1 {{'amx.tile_muli' op bad mult shape: 4 x 4 x 2}}
+  %3 = amx.tile_muli %0, %1, %2 : !amx.tile<8x8xi8>, !amx.tile<8x8xi8>, !amx.tile<4x4xi32>
+  return
+}
+
+// -----
+
+func.func @muli_type_combination() {
+  %0 = amx.tile_zero : !amx.tile<8x16xi8>
+  %1 = amx.tile_zero : !amx.tile<8x16xi32>
+  %2 = amx.tile_zero : !amx.tile<2x2xi32>
+  // expected-error at +1 {{'amx.tile_muli' op operand #1 must be tile of 8-bit signless integer values}}
+  %3 = amx.tile_muli %0, %1, %2 : !amx.tile<8x16xi8>, !amx.tile<8x16xi32>, !amx.tile<2x2xi32>
+  return
 }