llvm-project
[DAGCombiner] Allow freeze to sink through fmul by adding it to AllowMultipleMaybePoisonOperands
#142250

Merged

[DAGCombiner] Allow freeze to sink through fmul by adding it to AllowMultipleMaybePoisonOperands #142250

harrisonGPU merged 9 commits into llvm:main from harrisonGPU:dag-fma

harrisonGPU requested a review from

jayfoad 126 days ago

harrisonGPU requested a review from

arsenm 126 days ago

harrisonGPU requested a review from

perlfu 126 days ago

harrisonGPU requested a review from

preames 126 days ago

harrisonGPU requested a review from

nhaehnle 126 days ago

harrisonGPU requested a review from

RKSimon 126 days ago

harrisonGPU requested a review from

shiltian 126 days ago

harrisonGPU requested a review from

ruiling 126 days ago

llvmbot added backend:AMDGPU

llvmbot added llvm:SelectionDAG

harrisonGPU force pushed 122 days ago

harrisonGPU changed the title ~~[DAGCombiner] Fold freeze(fmul) + fadd/fsub into FMA combine~~ [DAGCombiner] Fold freeze(fmul) + fadd/fsub into FMA when 'contract' is present 122 days ago

harrisonGPU changed the title ~~[DAGCombiner] Fold freeze(fmul) + fadd/fsub into FMA when 'contract' is present~~ [DAGCombiner] Allow freeze(fmul) + fadd/fsub → FMA when using contract 122 days ago

harrisonGPU requested a review from

nikic 122 days ago

nikic requested changes on 2025-06-04

[DAGCombiner] Fold freeze(fmul) + fadd/fsub into FMA combine

e64adf28

[DAGCombiner] Update lit test.

38110736

[DAGCombiner] Update for hasNoSignedZeros.

591717e6

[DAGCombiner] Allow freeze to sink through fmul by adding it to Allow…

dd0ab154

harrisonGPU force pushed to dd0ab154 119 days ago

[DAGCombiner] Update test.

e731c530

harrisonGPU changed the title ~~[DAGCombiner] Allow freeze(fmul) + fadd/fsub → FMA when using contract~~ [DAGCombiner] Allow freeze to sink through fmul by adding it to AllowMultipleMaybePoisonOperands 119 days ago

harrisonGPU requested a review from

nikic 119 days ago

[DAGCombiner] Add a new test.

728c44bf

[DAGCombiner] Update test name.

7eabd44b

[DAGCombiner] Update test name again.

11046e9a

[DAGCombiner] Update test name again.

ecf76a2d

nikic approved these changes on 2025-06-08

harrisonGPU merged 102dfa8a into main 118 days ago

harrisonGPU deleted the dag-fma branch 118 days ago

Reviewers

nikic

jayfoad

arsenm

perlfu

preames

nhaehnle

RKSimon

shiltian

ruiling

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backend:AMDGPU llvm:SelectionDAG

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llvm-project [DAGCombiner] Allow freeze to sink through fmul by adding it to AllowMultipleMaybePoisonOperands #142250 Merged

[DAGCombiner] Allow freeze to sink through fmul by adding it to AllowMultipleMaybePoisonOperands #142250

llvm-project
[DAGCombiner] Allow freeze to sink through fmul by adding it to AllowMultipleMaybePoisonOperands
#142250

Merged