[all-commits] [llvm/llvm-project] faa385: [RISCV] Add tests for length changing shuffles

[Luke Lau via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: faa385a9f4d164791e2400f3f53e9c021114f52b
      https://github.com/llvm/llvm-project/commit/faa385a9f4d164791e2400f3f53e9c021114f52b
  Author: Luke Lau <luke at igalia.com>
  Date:   2024-11-01 (Fri, 01 Nov 2024)

  Changed paths:
    A llvm/test/CodeGen/RISCV/rvv/fixed-vectors-shuffle-changes-length.ll

  Log Message:
  -----------
  [RISCV] Add tests for length changing shuffles

Tests taken from Luke's 88147 with minimal changes by me (preames).

The main case of interest here is when mask length is less than source
length (i.e. length is decreasing).  We often scalarize these, which
on RISCV can be quite painful.



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