[all-commits] [llvm/llvm-project] e276dc: [mlir][arith] Refine the verifier for arith.consta...

[Andrzej Warzyński via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e276dcec173bc0123444c162c3becb2354382248
      https://github.com/llvm/llvm-project/commit/e276dcec173bc0123444c162c3becb2354382248
  Author: Andrzej Warzyński <andrzej.warzynski at arm.com>
  Date:   2024-04-08 (Mon, 08 Apr 2024)

  Changed paths:
    M mlir/lib/Dialect/Arith/IR/ArithOps.cpp
    M mlir/test/Dialect/Arith/invalid.mlir
    M mlir/test/Dialect/Vector/linearize.mlir

  Log Message:
  -----------
  [mlir][arith] Refine the verifier for arith.constant (#87999)

Disallows initialization of scalable vectors with an attribute of
arbitrary values, e.g.:
```mlir
  %c = arith.constant dense<[0, 1]> : vector<[2] x i32>
```

Initialization using vector splats remains allowed (i.e. when all the
init values are identical):
```mlir
  %c = arith.constant dense<[1, 1]> : vector<[2] x i32>
```

Note: This is a re-upload of #86178



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