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[WebNN] Fix inverted fallback data type support check #32293

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Merged
Dwayne Robinson (fdwr) merged 1 commit into from
Sep 3, 2026
Merged

[WebNN] Fix inverted fallback data type support check #32293

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2 changes: 1 addition & 1 deletion js/web/lib/wasm/jsep/webnn/tensor-manager.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -345,7 +345,7 @@ class TensorIdTracker {
// Check if the context supports the data type. If not, try to use the fallback data type.
if (!opLimits?.input.dataTypes.includes(dataType)) {
fallbackDataType = webnnDataTypeToFallback.get(dataType);
if (!fallbackDataType || opLimits?.input.dataTypes.includes(fallbackDataType)) {
if (!fallbackDataType || !opLimits?.input.dataTypes.includes(fallbackDataType)) {
throw new Error(`WebNN backend does not support data type: ${dataType}`);
}
LOG_DEBUG(
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