[llvm] [Draft] Support save/restore point splitting in shrink-wrap (PR #119359)

[Luke Lau via llvm-commits]

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@@ -0,0 +1,290 @@
+# RUN: llc -march=riscv64 -run-pass shrink-wrap -enable-shrink-wrap-into-multiple-points=true  %s -o - | FileCheck  %s
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lukel97 wrote:

Can the check lines be generated with llvm/utils/update_mir_test_checks.py?

https://github.com/llvm/llvm-project/pull/119359