tree 0ce32f03d36fe767887cccef488d6c04df4cb572
parent a77346bad0d80a7f7e184f3d6e12c7f532101136
author Matthias Springer <me@m-sp.org> 1736150118 +0100
committer GitHub <noreply@github.com> 1736150118 +0100
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[mlir][Transforms] Fix mapping in `findOrBuildReplacementValue` (#121644)

Fixes two minor issues in `findOrBuildReplacementValue`:
* Remove a redundant `mapping.map`.
* Map `repl` instead of `value`. We used to overwrite an existing
mapping, which could introduce extra materializations.

Note: We generally do not want to overwrite mappings, but create a chain
of mappings. There are still a few more places, where a mapping is
overwritten. Once those are fixed, I will put an assertion into
`ConversionValueMapping::map`.