llvm-project
[DAG] getNode - fold (sext (trunc x)) -> x iff the upper bits are already signbits
#151945

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[DAG] getNode - fold (sext (trunc x)) -> x iff the upper bits are already signbits #151945

RKSimon merged 3 commits into llvm:main from RKSimon:dag-remove-unnecessary-sextinreg

[DAG] getNode - fold (sext (trunc x)) -> x iff the upper bits are all…

353d76c8

RKSimon requested a review from

phoebewang 41 days ago

RKSimon requested a review from

topperc 41 days ago

llvmbot added backend:PowerPC

llvmbot added backend:X86

llvmbot added llvm:SelectionDAG

arsenm commented on 2025-08-04

phoebewang approved these changes on 2025-08-06

Merge branch 'main' into dag-remove-unnecessary-sextinreg

519ac4c1

Merge branch 'main' into dag-remove-unnecessary-sextinreg

1b03d89d

RKSimon merged c4f6d346 into main 39 days ago

RKSimon deleted the dag-remove-unnecessary-sextinreg branch 39 days ago

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arsenm

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backend:PowerPC backend:X86 llvm:SelectionDAG

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