[AMDGPU] Conditionally enable DAG combines for fminimum/fmaximum #81584
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
fminimum/fmaximum are only legal on some subtargets. This patch only enables the DAG combines for fminimum3/fmaximum3 on those subtargets. Without this, the combine can kick in before legalization, and then nothing will legalize the target-specific fminimum3/fmaximum3 nodes.
Contributor
Author
|
Other possible approaches:
I'm not sure which approach is best. |
Contributor
Author
|
This probably isn't much use until #67301 lands. |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
fminimum/fmaximum are only legal on some subtargets. This patch only
enables the DAG combines for fminimum3/fmaximum3 on those subtargets.
Without this, the combine can kick in before legalization, and then
nothing will legalize the target-specific fminimum3/fmaximum3 nodes.