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

[Pengcheng Wang via llvm-commits]

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@@ -6861,8 +6863,8 @@ let mayLoad = 0, mayStore = 0, hasSideEffects = 0 in {
 // 16.3. Vector Slide Instructions
 //===----------------------------------------------------------------------===//
 let Predicates = [HasVInstructions] in {
-  defm PseudoVSLIDEUP    : VPseudoVSLD_VX_VI<uimm5, "@earlyclobber $rd">;
-  defm PseudoVSLIDEDOWN  : VPseudoVSLD_VX_VI<uimm5>;
+  defm PseudoVSLIDEUP    : VPseudoVSLD_VX_VI<uimm5, /*slidesUp=*/true, "@earlyclobber $rd">;
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wangpc-pp wrote:

You can just use `slidesUp=true` here.
https://llvm.org/docs/TableGen/ProgRef.html#record-bodies

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