6b19a546aa
This PR bundles partial reductions inside the VPExpressionRecipe class. Stacked PRs: 1. https://github.com/llvm/llvm-project/pull/147026 2. https://github.com/llvm/llvm-project/pull/147255 3. https://github.com/llvm/llvm-project/pull/156976 4. https://github.com/llvm/llvm-project/pull/160154 5. -> https://github.com/llvm/llvm-project/pull/147302 6. https://github.com/llvm/llvm-project/pull/162503 7. https://github.com/llvm/llvm-project/pull/147513