[SelectionDAG] Introduce ISD::PTRADD#140017

Merged

ritter-x2a merged 12 commits intollvm:mainfrom

ritter-x2a:introduce-isd-ptradd

May 28, 2025

Commits on May 15, 2025

Commits on May 16, 2025

Add the pointer's EVT to the signature of TM::shouldPreservePtrArith()
ritter-x2a
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Move shouldPreservePtrArith from TargetMachine to TargetLoweringBase,
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Commits on May 19, 2025

Commits on May 20, 2025

Commits on May 21, 2025

Add PTRADD handling to SDAG::getNode()
ritter-x2a
committed

Commits on May 22, 2025

Split the DAGCombiner::visitPtrAdd() implementation off to put it into a separate PR.
ritter-x2a
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Commits on May 26, 2025

Remove redundant flag argument
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