[llvm] [CodeGen] Ignore requiresStructuredCFG check in canSplitCriticalEdge if successor is loop header (PR #154063)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,80 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6
+# RUN: llc -mtriple=nvptx64 -mcpu=sm_20 -run-pass=early-machinelicm %s -verify-machineinstrs -o - | FileCheck %s
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arsenm wrote:

```suggestion
# RUN: llc -mtriple=nvptx64 -mcpu=sm_20 -run-pass=early-machinelicm %s -o - | FileCheck %s
```

https://github.com/llvm/llvm-project/pull/154063