llvm-project
[InstCombine] Replace an integer comparison of a `phi` node with multiple `ucmp`/`scmp` operands and a constant with `phi` of individual comparisons of original intrinsic's arguments
#107769

Merged

[InstCombine] Replace an integer comparison of a `phi` node with multiple `ucmp`/`scmp` operands and a constant with `phi` of individual comparisons of original intrinsic's arguments #107769

Poseydon42 merged 8 commits into llvm:main from Poseydon42:phi-with-multiple-combinable-values

Precommit tests

6f7fa77f

Implement the optimization

c3424e7f

Poseydon42 requested a review from

dtcxzyw 1 year ago

Poseydon42 requested a review from

nikic 1 year ago

llvmbot added llvm:transforms

nikic commented on 2024-09-08

Address review comments

833e1681

nikic commented on 2024-09-08

Address review comments

bbeded81

dtcxzyw requested a review from

goldsteinn 1 year ago

dtcxzyw commented on 2024-09-09

Address review comments 2

3a8efdf2

dtcxzyw approved these changes on 2024-09-10

goldsteinn commented on 2024-09-10

nikic approved these changes on 2024-09-11

Add test case with one incoming value being ucmp/scmp

a7a2930c

Remove unnecessary braces

b5fe2cc5

Add comment about single-use check

45157a80

Poseydon42 merged 21e3a212 into main 1 year ago

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nikic

dtcxzyw

goldsteinn

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llvm:transforms

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