[Mlir-commits] [mlir] [mlir][tensor][bufferize] Reshapes: Fix memory side effects and memory space (PR #68195)

[Nicolas Vasilache]

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@@ -119,7 +119,10 @@ struct CollapseShapeOpInterface
                                                     tensor::CollapseShapeOp> {
   bool bufferizesToMemoryRead(Operation *op, OpOperand &opOperand,
                               const AnalysisState &state) const {
-    return false;
+    // tensor.collapse_shape may reallocate, at which point the source buffer is
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nicolasvasilache wrote:

note that this is "conservative"

https://github.com/llvm/llvm-project/pull/68195