[llvm] [RFC] implement convergence control in MIR using SelectionDAG (PR #71785)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,52 @@
+# RUN: not --crash llc -mtriple=amdgcn-- -run-pass=machineverifier -o /dev/null %s 2>&1 | FileCheck %s
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arsenm wrote:

Ditto 

https://github.com/llvm/llvm-project/pull/71785