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

[Shilei Tian 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
+
+; For @dependent_sub_fullunroll, the threshold bonus should apply
+; CHECK: due to subloop's trip count becoming runtime-independent after unrolling
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shiltian wrote:

Also, please auto-gen the check lines.

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