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Commits on Sep 24, 2025

• [LV] Set extend kinds together with ExtOpTypes (NFC).

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• [LLVMContext] Add OB_align assume bundle op ID. (#158078)

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• [AArch64] Add tests for partial reduction of shl.

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• [LV] Don't create partial reductions if factor doesn't match accumulator (#158603)

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• [LoopPeel] Add test with branch that can be simplified with guards.

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Commits on Sep 23, 2025

• [LV] Check for hoisted safe-div selects in planContainsAdditionalSimp.

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Commits on Sep 22, 2025

• [LV] Add test showing missed optimization due to missing info from guard

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• [IndVars,LV] Add tests with pointer-based loop guards.

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• [SCEV] Add additional test with guards for 3-op AddRec.

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Commits on Sep 21, 2025

• [LV] Set correct costs for interleave group members.

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• [LV] Skip select cost for invariant divisors in legacy cost model.

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• [LV] Also handle non-uniform scalarized loads when processing AddrDefs.

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Commits on Sep 20, 2025

• [LV] Add additional tests for scalar load costs of addresses.

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• [LV] Regenerate check lines without dce/instcombine.

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• [SCEV] Add tests that benefit from rewriting SCEVAddExpr with guards.

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Commits on Sep 19, 2025

• [LV] Pass operand info to getMemoryOpCost in getMemInstScalarizationCost.

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• [LV] Add additional test for replicating store costs.

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Commits on Sep 18, 2025

• [LV] Always add uniform pointers to uniforms list.

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• [LV] Add missing test cover for replicating load/store costs.

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• [VPlan] Simplify Plan's entry in removeBranchOnConst. (#154510)

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Commits on Sep 17, 2025

• Reapply "[SCEV] Fold (C1 * A /u C2) -> A /u (C2 /u C1), if C2 > C1." (#158328)

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• [SCEV] Add more tests for MUL/UDIV folds.

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Commits on Sep 16, 2025

• [Option] Mark getLastArg(NoClaim) as noinline. (#157163)

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Commits on Sep 15, 2025

• [VPlan] Handle predicated UDiv in VPReplicateRecipe::computeCost.

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• [VPlan] Track VPValues instead of VPRecipes in calculateRegisterUsage. (#155301)

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• [LV] Add test for missed interleaving after narrowing interleave groups.

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• [LV] Add test with partial reduction without narrowing.

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Commits on Sep 14, 2025

• [VPlan] Return non-option cost from getCostForRecipeWithOpcode (NFC).

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• Reapply "[VPlan] Compute cost of scalar (U|S)Div, (U|S)Rem in computeCost (NFCI)."

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Commits on Sep 13, 2025

• [VPlan] Compute cost of scalar (U|S)Div, (U|S)Rem in computeCost (NFCI).

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• [VPlan] Move logic to compute scalarization overhead to cost helper(NFC)

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• [VPlan] Limit ExtractLastElem fold to recipes guaranteed single-scalar.

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Commits on Sep 12, 2025

• [VPlan] Explicitly replicate VPInstructions by VF. (#155102)

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• [InstCombine] Remove redundant alignment assumptions. (#123348)

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Commits on Sep 11, 2025

• [ConstFold] Don't crash on ConstantExprs when folding get_active_lane_m.

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