[llvm] [RISCV] Ignore debug instructions in epilogue block checks (PR #219401)

[Luke Lau via llvm-commits]

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@@ -0,0 +1,112 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
+; RUN: llc -mtriple=riscv32 -mattr=+save-restore -verify-machineinstrs < %s | FileCheck %s
+;
+; Debug instructions in the common return block should not affect save/restore
+; shrink wrapping.
+
+declare ptr @llvm.stacksave.p0()
+declare void @llvm.stackrestore.p0(ptr)
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lukel97 wrote:

Intrinsics don't need to be declared
```suggestion
```

https://github.com/llvm/llvm-project/pull/219401