[llvm] [RISCV] Move RISCVInsertVSETVLI to after phi elimination (PR #91440)

[Luke Lau via llvm-commits]

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@@ -426,7 +438,8 @@ DemandedFields getDemanded(const MachineInstr &MI, const RISCVSubtarget *ST) {
 /// values of the VL and VTYPE registers after insertion.
 class VSETVLIInfo {
   struct AVLDef {
-    const MachineInstr *DefMI;
+    // Every AVLDef should have a VNInfo.
+    const VNInfo *VNInfo;
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lukel97 wrote:

Oh thanks for catching that, I guess it doesn't show up with clang. Will rename!

https://github.com/llvm/llvm-project/pull/91440