[llvm] [AMDGPU][TTI] Threshold bonus to loops whose unrolling makes nested loops unrollable (PR #114579)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,84 @@
+; RUN: opt -S -mtriple=amdgcn-- -passes=loop-unroll -debug-only=AMDGPUtti < %s 2>&1 | FileCheck %s
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arsenm wrote:

Better to check the actual output.

If you're going to check the debug output, might as well use -debug. But you also need REQUIRES: asserts 

https://github.com/llvm/llvm-project/pull/114579