| Issue |
143246
|
| Summary |
MLIR Regression: 54 tests started to fail recently
|
| Labels |
mlir
|
| Assignees |
|
| Reporter |
tuliom
|
I've been seeing these errors for almost 2 weeks now.
They have been reproduced on aarch64-linux and x86_64-linux.
I have been able to bisect these failures to #141248.
This is the output of one of the tests:
```
******************** TEST 'MLIR :: Transforms/constant-fold-debuginfo.mlir' FAILED ********************
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 1
/builddir/build/BUILD/llvm-21.0.0_pre20250526.gc76e2800e3d78f-build/llvm-project-c76e2800e3d78fa6e8618431a6893f66f2fd3496/llvm/redhat-linux-build/bin/mlir-opt /builddir/build/BUILD/llvm-21.0.0_pre20250526.gc76e2800e3d78f-build/llvm-project-c76e2800e3d78fa6e8618431a6893f66f2fd3496/mlir/test/Transforms/constant-fold-debuginfo.mlir -split-input-file -test-constant-fold -mlir-print-debuginfo | /builddir/build/BUILD/llvm-21.0.0_pre20250526.gc76e2800e3d78f-build/llvm-project-c76e2800e3d78fa6e8618431a6893f66f2fd3496/llvm/redhat-linux-build/bin/FileCheck /builddir/build/BUILD/llvm-21.0.0_pre20250526.gc76e2800e3d78f-build/llvm-project-c76e2800e3d78fa6e8618431a6893f66f2fd3496/mlir/test/Transforms/constant-fold-debuginfo.mlir
# executed command: /builddir/build/BUILD/llvm-21.0.0_pre20250526.gc76e2800e3d78f-build/llvm-project-c76e2800e3d78fa6e8618431a6893f66f2fd3496/llvm/redhat-linux-build/bin/mlir-opt /builddir/build/BUILD/llvm-21.0.0_pre20250526.gc76e2800e3d78f-build/llvm-project-c76e2800e3d78fa6e8618431a6893f66f2fd3496/mlir/test/Transforms/constant-fold-debuginfo.mlir -split-input-file -test-constant-fold -mlir-print-debuginfo
# executed command: /builddir/build/BUILD/llvm-21.0.0_pre20250526.gc76e2800e3d78f-build/llvm-project-c76e2800e3d78fa6e8618431a6893f66f2fd3496/llvm/redhat-linux-build/bin/FileCheck /builddir/build/BUILD/llvm-21.0.0_pre20250526.gc76e2800e3d78f-build/llvm-project-c76e2800e3d78fa6e8618431a6893f66f2fd3496/mlir/test/Transforms/constant-fold-debuginfo.mlir
# .---command stderr------------
# | /builddir/build/BUILD/llvm-21.0.0_pre20250526.gc76e2800e3d78f-build/llvm-project-c76e2800e3d78fa6e8618431a6893f66f2fd3496/mlir/test/Transforms/constant-fold-debuginfo.mlir:5:17: error: CHECK-NEXT: expected string not found in input
# | // CHECK-NEXT: [[C:%.+]] = arith.constant 6 : i32 loc(#[[UnknownLoc:.*]])
# | ^
# | <stdin>:2:27: note: scanning from here
# | func.func @fold_and_merge() -> (i32, i32) {
# | ^
# | <stdin>:3:4: note: possible intended match here
# | %c6_i32 = arith.constant 6 : i32
# | ^
# | /builddir/build/BUILD/llvm-21.0.0_pre20250526.gc76e2800e3d78f-build/llvm-project-c76e2800e3d78fa6e8618431a6893f66f2fd3496/mlir/test/Transforms/constant-fold-debuginfo.mlir:20:12: error: CHECK: expected string not found in input
# | // CHECK: arith.constant 1.{{0*}}e+00 : f32 loc(#[[UnknownLoc:.*]])
# | ^
# | <stdin>:10:42: note: scanning from here
# | func.func @materialize_different_dialect() -> (f32, f32) {
# | ^
# | <stdin>:11:9: note: possible intended match here
# | %cst = arith.constant 1.000000e+00 : f32
# | ^
# | /builddir/build/BUILD/llvm-21.0.0_pre20250526.gc76e2800e3d78f-build/llvm-project-c76e2800e3d78fa6e8618431a6893f66f2fd3496/mlir/test/Transforms/constant-fold-debuginfo.mlir:33:17: error: CHECK-NEXT: expected string not found in input
# | // CHECK-NEXT: arith.constant 6 : i32 loc(#[[UnknownLoc:.*]])
# | ^
# | <stdin>:18:33: note: scanning from here
# | func.func @materialize_in_front(%arg0: memref<8xi32>) {
# | ^
# | <stdin>:19:12: note: possible intended match here
# | %c6_i32 = arith.constant 6 : i32
# | ^
# |
# | Input file: <stdin>
# | Check file: /builddir/build/BUILD/llvm-21.0.0_pre20250526.gc76e2800e3d78f-build/llvm-project-c76e2800e3d78fa6e8618431a6893f66f2fd3496/mlir/test/Transforms/constant-fold-debuginfo.mlir
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | 1: module {
# | 2: func.func @fold_and_merge() -> (i32, i32) {
# | next:5'0 X~~~~~~~~~~~~~~~~~~ error: no match found
# | 3: %c6_i32 = arith.constant 6 : i32
# | next:5'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:5'1 ? possible intended match
# | 4: return %c6_i32, %c6_i32 : i32, i32
# | next:5'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 5: }
# | next:5'0 ~~~
# | 6: }
# | next:5'0 ~~
# | 7:
# | next:5'0 ~
# | 8: // -----
# | next:5'0 ~~~~~~~~~
# | 9: module {
# | next:5'0 ~~~~~~~~~
# | 10: func.func @materialize_different_dialect() -> (f32, f32) {
# | next:5'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:20'0 X~~~~~~~~~~~~~~~~~~ error: no match found
# | 11: %cst = arith.constant 1.000000e+00 : f32
# | check:20'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:20'1 ? possible intended match
# | 12: return %cst, %cst : f32, f32
# | check:20'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 13: }
# | check:20'0 ~~~
# | 14: }
# | check:20'0 ~~
# | 15:
# | check:20'0 ~
# | 16: // -----
# | check:20'0 ~~~~~~~~~
# | 17: module {
# | check:20'0 ~~~~~~~~~
# | 18: func.func @materialize_in_front(%arg0: memref<8xi32>) {
# | check:20'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:33'0 X~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
# | 19: %c6_i32 = arith.constant 6 : i32
# | next:33'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | next:33'1 ? possible intended match
# | 20: affine.for %arg1 = 0 to 8 {
# | next:33'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 21: memref.store %c6_i32, %arg0[%arg1] : memref<8xi32>
# | next:33'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 22: }
# | next:33'0 ~~~
# | 23: return
# | next:33'0 ~~~~~~~~
# | 24: }
# | next:33'0 ~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1
```
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