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[mlir][tosa] Fix transpose_conv2d verifier when output channels are dynamic #147062

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@lhutton1 lhutton1 commented Jul 4, 2025

This commit fixes a transpose_conv2d verifier check which compares the output channels size to the bias size. The check didn't make sure output channels were static before performing the comparison. This lead to failures such as:

'tosa.transpose_conv2d' op bias channels expected to be equal to output channels (-9223372036854775808) or 1, got 5

when the output channels size was dynamic.

…ynamic

This commit fixes a transpose_conv2d verifier check which compares
the output channels size to the bias size. The check didn't make sure
output channels were static before performing the comparison. This
lead to failures such as:
```
'tosa.transpose_conv2d' op bias channels expected to be equal to output channels (-9223372036854775808) or 1, got 5
```
when the output channels size was dynamic.

Change-Id: If10625e46be3d3ac5577aa8913621a41cda7b8f3
@llvmbot
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llvmbot commented Jul 4, 2025

@llvm/pr-subscribers-mlir-tosa

Author: Luke Hutton (lhutton1)

Changes

This commit fixes a transpose_conv2d verifier check which compares the output channels size to the bias size. The check didn't make sure output channels were static before performing the comparison. This lead to failures such as:

'tosa.transpose_conv2d' op bias channels expected to be equal to output channels (-9223372036854775808) or 1, got 5

when the output channels size was dynamic.


Full diff: https://github.com/llvm/llvm-project/pull/147062.diff

2 Files Affected:

  • (modified) mlir/lib/Dialect/Tosa/IR/TosaOps.cpp (+2-1)
  • (modified) mlir/test/Dialect/Tosa/tosa-infer-shapes.mlir (+9)
diff --git a/mlir/lib/Dialect/Tosa/IR/TosaOps.cpp b/mlir/lib/Dialect/Tosa/IR/TosaOps.cpp
index a0dc8964f7a02..85ab48b37813f 100644
--- a/mlir/lib/Dialect/Tosa/IR/TosaOps.cpp
+++ b/mlir/lib/Dialect/Tosa/IR/TosaOps.cpp
@@ -3429,7 +3429,8 @@ LogicalResult TransposeConv2DOp::verify() {
     return success();
 
   const int64_t outputChannels = outputType.getDimSize(3);
-  if (biasChannels != outputChannels && biasChannels != 1)
+  if (!ShapedType::isDynamic(outputChannels) &&
+      biasChannels != outputChannels && biasChannels != 1)
     return emitOpError(
                "bias channels expected to be equal to output channels (")
            << outputChannels << ") or 1, got " << biasChannels;
diff --git a/mlir/test/Dialect/Tosa/tosa-infer-shapes.mlir b/mlir/test/Dialect/Tosa/tosa-infer-shapes.mlir
index e280c1155f526..d0f40279421f4 100644
--- a/mlir/test/Dialect/Tosa/tosa-infer-shapes.mlir
+++ b/mlir/test/Dialect/Tosa/tosa-infer-shapes.mlir
@@ -1032,6 +1032,15 @@ func.func @transpose_conv2d_strided(%arg0: tensor<1x5x7x1xf32>, %arg1: tensor<1x
 
 // -----
 
+// CHECK-LABEL: @transpose_conv2d_dynamic_out_channels
+func.func @transpose_conv2d_dynamic_out_channels(%arg0: tensor<2x1x1x3xf32>, %arg1: tensor<5x3x6x3xf32>, %arg2: tensor<5xf32>, %arg3: tensor<1xf32>, %arg4: tensor<1xf32>) {
+  // CHECK: -> tensor<2x3x6x5xf32>
+  %0 = tosa.transpose_conv2d %arg0, %arg1, %arg2, %arg3, %arg4 {acc_type = f32, out_pad = array<i64: 0, 0, 0, 0>, stride = array<i64: 1, 1>} : (tensor<2x1x1x3xf32>, tensor<5x3x6x3xf32>, tensor<5xf32>, tensor<1xf32>, tensor<1xf32>) -> tensor<2x3x6x?xf32>
+  return
+}
+
+// -----
+
 // CHECK-LABEL: @resize_int_horizontal
 func.func @resize_int_horizontal(%arg0: tensor<1x15x13x1xi8>) {
   %scale = tosa.const_shape { values = dense<[11, 7, 89, 6]> : tensor<4xindex> } : () -> !tosa.shape<4>

@llvmbot
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llvmbot commented Jul 4, 2025

@llvm/pr-subscribers-mlir

Author: Luke Hutton (lhutton1)

Changes

This commit fixes a transpose_conv2d verifier check which compares the output channels size to the bias size. The check didn't make sure output channels were static before performing the comparison. This lead to failures such as:

'tosa.transpose_conv2d' op bias channels expected to be equal to output channels (-9223372036854775808) or 1, got 5

when the output channels size was dynamic.


Full diff: https://github.com/llvm/llvm-project/pull/147062.diff

2 Files Affected:

  • (modified) mlir/lib/Dialect/Tosa/IR/TosaOps.cpp (+2-1)
  • (modified) mlir/test/Dialect/Tosa/tosa-infer-shapes.mlir (+9)
diff --git a/mlir/lib/Dialect/Tosa/IR/TosaOps.cpp b/mlir/lib/Dialect/Tosa/IR/TosaOps.cpp
index a0dc8964f7a02..85ab48b37813f 100644
--- a/mlir/lib/Dialect/Tosa/IR/TosaOps.cpp
+++ b/mlir/lib/Dialect/Tosa/IR/TosaOps.cpp
@@ -3429,7 +3429,8 @@ LogicalResult TransposeConv2DOp::verify() {
     return success();
 
   const int64_t outputChannels = outputType.getDimSize(3);
-  if (biasChannels != outputChannels && biasChannels != 1)
+  if (!ShapedType::isDynamic(outputChannels) &&
+      biasChannels != outputChannels && biasChannels != 1)
     return emitOpError(
                "bias channels expected to be equal to output channels (")
            << outputChannels << ") or 1, got " << biasChannels;
diff --git a/mlir/test/Dialect/Tosa/tosa-infer-shapes.mlir b/mlir/test/Dialect/Tosa/tosa-infer-shapes.mlir
index e280c1155f526..d0f40279421f4 100644
--- a/mlir/test/Dialect/Tosa/tosa-infer-shapes.mlir
+++ b/mlir/test/Dialect/Tosa/tosa-infer-shapes.mlir
@@ -1032,6 +1032,15 @@ func.func @transpose_conv2d_strided(%arg0: tensor<1x5x7x1xf32>, %arg1: tensor<1x
 
 // -----
 
+// CHECK-LABEL: @transpose_conv2d_dynamic_out_channels
+func.func @transpose_conv2d_dynamic_out_channels(%arg0: tensor<2x1x1x3xf32>, %arg1: tensor<5x3x6x3xf32>, %arg2: tensor<5xf32>, %arg3: tensor<1xf32>, %arg4: tensor<1xf32>) {
+  // CHECK: -> tensor<2x3x6x5xf32>
+  %0 = tosa.transpose_conv2d %arg0, %arg1, %arg2, %arg3, %arg4 {acc_type = f32, out_pad = array<i64: 0, 0, 0, 0>, stride = array<i64: 1, 1>} : (tensor<2x1x1x3xf32>, tensor<5x3x6x3xf32>, tensor<5xf32>, tensor<1xf32>, tensor<1xf32>) -> tensor<2x3x6x?xf32>
+  return
+}
+
+// -----
+
 // CHECK-LABEL: @resize_int_horizontal
 func.func @resize_int_horizontal(%arg0: tensor<1x15x13x1xi8>) {
   %scale = tosa.const_shape { values = dense<[11, 7, 89, 6]> : tensor<4xindex> } : () -> !tosa.shape<4>

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