[llvm] [RISCV] Support postRA vsetvl insertion pass (PR #70549)

[Craig Topper via llvm-commits]

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@@ -29,7 +29,7 @@ template <typename T> class ArrayRef;
 class LiveIntervals;
 class VirtRegMap;
 
-class LLVM_LIBRARY_VISIBILITY LiveDebugVariables : public MachineFunctionPass {
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topperc wrote:

Please split the LiveDebugVariables changes to another PR.

https://github.com/llvm/llvm-project/pull/70549