[llvm] [RISCV][GISel][NFC] Add MIR legalizer tests for G_UADDE (rv32 & rv64) (PR #152827)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,174 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=riscv32 -run-pass=legalizer %s -o - \
+# RUN: | FileCheck %s
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arsenm wrote:

```suggestion
# RUN: llc -mtriple=riscv32 -run-pass=legalizer %s -o - | FileCheck %s
```

https://github.com/llvm/llvm-project/pull/152827