[llvm] [LoopVectorize] Ensure VPPredInstPHIRecipe only uses InsertElementInst (PR #159543)

Abhinav Srivastava / August Radjoe via llvm-commits llvm-commits at lists.llvm.org
Thu Sep 18 03:08:13 PDT 2025


AbhinavMir wrote:

Sorry if it tagged anyone! I'm still figuring things out:

Instruction does not dominate all uses!
`%2 = phi <2 x i8> [ poison, %vector.body ], [ %1, %pred.srem.if ]`
`%3 = phi <2 x i8> [ %2, %vector.body ], [ %2, %pred.srem.if ]`

https://github.com/llvm/llvm-project/pull/159543


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