[mlir][linalg][test] Fix flaky test linalg-morph-multi-step.mlir #152805
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@llvm/pr-subscribers-mlir-linalg @llvm/pr-subscribers-mlir Author: Jordan Rupprecht (rupprecht) ChangesThis test runs For some reason I haven't figured out, this causes ~50% flakiness when testing in certain environments (not reproducible in my shell, but reproduces in an internal buildbot), due to the pipeline raising Test added in #148424. Full diff: https://github.com/llvm/llvm-project/pull/152805.diff 1 Files Affected:
diff --git a/mlir/test/Dialect/Linalg/linalg-morph-multi-step.mlir b/mlir/test/Dialect/Linalg/linalg-morph-multi-step.mlir
index ab50a44a37067..bdd29b96346e1 100644
--- a/mlir/test/Dialect/Linalg/linalg-morph-multi-step.mlir
+++ b/mlir/test/Dialect/Linalg/linalg-morph-multi-step.mlir
@@ -1,5 +1,5 @@
// RUN: mlir-opt %s -linalg-morph-ops=named-to-generic | FileCheck %s --check-prefix=NAMED_TO_GENERIC
-// RUN: mlir-opt %s -linalg-morph-ops=named-to-generic | mlir-opt %s -linalg-morph-ops=generic-to-named | \
+// RUN: mlir-opt %s -linalg-morph-ops=named-to-generic | mlir-opt -linalg-morph-ops=generic-to-named | \
// RUN: FileCheck %s --check-prefix=ROUND_TRIP
func.func @exp(%A : tensor<16x8xf32>, %B : tensor<16x8xf32>) -> tensor<16x8xf32> {
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rengolin
approved these changes
Aug 8, 2025
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Totally missed that, thanks! |
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This test runs
mlir-opt %s | mlir-opt %s | FileCheckto test the round trip behavior, but the second command takes input from the pipe, not the lit test, so it should bemlir-opt %s | mlir-opt | FileCheck.For some reason I haven't figured out, this causes ~50% flakiness when testing in certain environments (not reproducible in my shell, but reproduces in an internal buildbot), due to the pipeline raising
SIGPIPE.Test added in #148424.