[llvm] [AMDGPU] Avoid put implicit_def into bundle that break reg's liveness (PR #142563)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,36 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
+# RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -run-pass=si-insert-hard-clauses -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN-CLAUSE %s
+# RUN: llc -mtriple=amdgcn -mcpu=gfx1200 -run-pass=si-post-ra-bundler -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN-BUNDLE %s
+
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arsenm wrote:

Comment what this is for 

https://github.com/llvm/llvm-project/pull/142563