[all-commits] [llvm/llvm-project] db6de1: [DAGCombiner][VP] Add DAGCombine for VP_MUL (#80105)

[Jianjian Guan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: db6de1a20f75cbfe1024f41e64ad39def91fa70f
      https://github.com/llvm/llvm-project/commit/db6de1a20f75cbfe1024f41e64ad39def91fa70f
  Author: Jianjian Guan <jacquesguan at me.com>
  Date:   2024-05-31 (Fri, 31 May 2024)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vmul-vp.ll
    M llvm/test/CodeGen/RISCV/rvv/vmul-vp.ll

  Log Message:
  -----------
  [DAGCombiner][VP] Add DAGCombine for VP_MUL (#80105)

Use visitMUL to combine VP_MUL, share most logic of MUL with VP_MUL.

Migrate from https://reviews.llvm.org/D121187



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