[Mlir-commits] [mlir] [mlir][tosa]-Edit the verifier of tosa constShapeOp (PR #126962)

[llvmlistbot at llvm.org]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-mlir

Author: Amir Bishara (amirBish)

<details>
<summary>Changes</summary>

Add verification for rank 1 for the elements' attribute of the tosa const_shape operation.

---
Full diff: https://github.com/llvm/llvm-project/pull/126962.diff


2 Files Affected:

- (modified) mlir/lib/Dialect/Tosa/IR/TosaOps.cpp (+4) 
- (modified) mlir/test/Dialect/Tosa/invalid.mlir (+8) 


``````````diff
diff --git a/mlir/lib/Dialect/Tosa/IR/TosaOps.cpp b/mlir/lib/Dialect/Tosa/IR/TosaOps.cpp
index 4928be38476a9..e782838ad97f9 100644
--- a/mlir/lib/Dialect/Tosa/IR/TosaOps.cpp
+++ b/mlir/lib/Dialect/Tosa/IR/TosaOps.cpp
@@ -2618,6 +2618,10 @@ OpTrait::tosa::verifyTosaShapeOperatorWithSameRanks(Operation *op) {
 //===----------------------------------------------------------------------===//
 
 LogicalResult tosa::ConstShapeOp::verify() {
+  // check one dimensional rank
+  auto valuesRank = getValue().getType().getRank();
+  if (valuesRank != 1)
+    return emitOpError("expect elements in attribute value with rank 1");
   // check that number of elements in value attr equal to rank of result shape
   auto count = getValue().getNumElements();
   auto rank = (cast<tosa::shapeType>(getResult().getType())).getRank();
diff --git a/mlir/test/Dialect/Tosa/invalid.mlir b/mlir/test/Dialect/Tosa/invalid.mlir
index 913191be86f85..ff874af5c5f07 100644
--- a/mlir/test/Dialect/Tosa/invalid.mlir
+++ b/mlir/test/Dialect/Tosa/invalid.mlir
@@ -1087,6 +1087,14 @@ func.func @test_const_shape_value() -> !tosa.shape<5> {
 
 // -----
 
+func.func @test_const_shape_value() -> !tosa.shape<4> {
+  // expected-error at +1 {{'tosa.const_shape' op expect elements in attribute value with rank 1}}
+  %cst = tosa.const_shape {value = dense<[[1, 2], [3, 4]]> : tensor<2x2xindex>} : () -> !tosa.shape<4>
+  return %cst : !tosa.shape<4>
+}
+
+// -----
+
 func.func @test_sub_with_unequal_operand_ranks(%arg0: tensor<1x21x3xf32>, %arg1: tensor<1x13x21x3xf32>) -> tensor<1x13x21x3xf32> {
   // expected-error at +1 {{'tosa.sub' op operands don't have matching ranks}}
   %0 = tosa.sub %arg0, %arg1 : (tensor<1x21x3xf32>, tensor<1x13x21x3xf32>) -> tensor<1x13x21x3xf32>

``````````

</details>


https://github.com/llvm/llvm-project/pull/126962