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[RISCV][VLOPT] Compute demanded VLs up front#124530

Merged

lukel97 merged 10 commits intollvm:mainllvm/llvm-project:mainfrom

lukel97:vloptimizer/demandedVLslukel97/llvm-project:vloptimizer/demandedVLsCopy head branch name to clipboard

Jan 29, 2025

Conversation Commits10 (10)Checks Files changed

Merged

[RISCV][VLOPT] Compute demanded VLs up front#124530
lukel97 merged 10 commits intollvm:mainfrom
lukel97:vloptimizer/demandedVLs

Commits

Commits on Jan 29, 2025

Keep VL = 1 check, check isCandidate after popping instead
lukel97
committed
Move VL=1 check to tryReduceVL
lukel97
committed
[RISCV][VLOPT] Compute demanded VLs up front. NFC
lukel97
committed
Update comments, remove redundant isSupportedInstr check, rename CommonVL -> DemandedVL
lukel97
committed
Undo renames + put back std::optional
lukel97
committed
Do cross-block analysis with post-order traversal, add assert + test for unreachable blocks.
lukel97
committed
clang-format
lukel97
committed
Remove more parts of the diff
lukel97
committed
Use std::optional in DenseMap, remove TII check given everything in demandedVL must be a candidate
lukel97
committed
Remove COPYs from tests that are no longer needed, make insert unconditional
lukel97
committed

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