[llvm] [RISCV][GISEL] Legalize G_VSCALE (PR #85967)

[Craig Topper via llvm-commits]

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@@ -0,0 +1,409 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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topperc wrote:

Do we need this many test cases? Isn't the only new thing G_READ_VLENB?

https://github.com/llvm/llvm-project/pull/85967