llvm-project
[InstCombine] Fold shift of a constant into a reverse shift
#192982

Merged

[InstCombine] Fold shift of a constant into a reverse shift #192982

pfusik merged 7 commits into llvm:main from pfusik:shl-sub

[InstCombine] Fold shift of a constant into a reverse shift

74f909da

Revert "[InstCombine] Fold shift of a constant into a reverse shift"

34888162

[InstCombine][test] Fold shift of a constant into a reverse shift

8f1243e5

[InstCombine] Fold shift of a constant into a reverse shift

206bf984

pfusik marked this pull request as ready for review 22 days ago

pfusik requested a review from

nikic 22 days ago

llvmbot added llvm:instcombine

llvmbot added llvm:transforms

pfusik requested a review from

artagnon 22 days ago

pfusik requested a review from

rj-jesus 22 days ago

artagnon commented on 2026-04-21

[InstCombine][test] Test xor where C2 is not an all-low-bits mask

8a73ed61

[InstCombine] Accept xor where C2 is not an all-low-bits mask

e5e57f24

artagnon requested a review from

dtcxzyw 22 days ago

dtcxzyw commented on 2026-04-22

[InstCombine] Set nuw/nsw on the shl.

4c61945b

dtcxzyw approved these changes on 2026-04-23

pfusik merged 58f2c189 into main 17 days ago

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artagnon

nikic

rj-jesus

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llvm:instcombine llvm:transforms

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