[llvm] [AMDGPU][Verifier] Allow llvm.amdgcn.unreachable after cs.chain (PR #139494)

[Shilei Tian via llvm-commits]

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@@ -0,0 +1,38 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -mtriple=amdgcn--amdpal -mcpu=gfx1200 -verify -amdgpu-unify-divergent-exit-nodes -verify -S %s -o - | FileCheck %s
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shiltian wrote:

Use `llvm-as` for verifier test. Also, this test needs to be moved to where IR verifier tests are.

https://github.com/llvm/llvm-project/pull/139494