tree c5c6a74578483fa4a9acd83e8a59bf0e9207eae9
parent d98d8b962b7aa9deb55d8e68d65c94ffcb3fe650
author Jakub Kuderski <jakub@nod-labs.com> 1772816077 -0500
committer GitHub <noreply@github.com> 1772816077 +0000
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[mlir][ub] Add `m_Poison()` matcher (#185022)

Add a dedicated matcher for poison values in the UB dialect, similar to
`m_Constant()` for general constants. The matcher uses
`PoisonAttrInterface` for future extensibility.

Replace existing checks against `ub::PoisonAttr` with the new matcher.

Assisted-by: claude