[llvm] [RISCV] Split and rename WriteVISlideX into WriteVSlideUpX and WriteVSlideDownX (PR #92605)

[Pengcheng Wang via llvm-commits]

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@@ -937,8 +937,9 @@ foreach mx = SchedMxList in {
   defvar Cycles = SiFive7GetCyclesDefault<mx>.c;
   defvar IsWorstCase = SiFive7IsWorstCaseMX<mx, SchedMxList>.c;
   let Latency = 4, AcquireAtCycles = [0, 1], ReleaseAtCycles = [1, !add(1, Cycles)] in {
-    defm "" : LMULWriteResMX<"WriteVISlideX",   [SiFive7VCQ, SiFive7VA], mx, IsWorstCase>;
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wangpc-pp wrote:

The spaces between `,` and `[` mismatched, should we make them consistent?

https://github.com/llvm/llvm-project/pull/92605