[llvm] [RegAlloc] Avoid split past block-prologue interference (PR #209704)

[Christudasan Devadasan via llvm-commits]

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@@ -0,0 +1,105 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6
+# RUN: llc -mtriple=amdgpu9.00-amd-amdhsa -stress-regalloc=2 -passes='greedy<wwm>' -o - %s | FileCheck %s
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cdevadas wrote:

Better have a runline for legacy PM as well. For that, you can construct the RUN line with options --start-before=greedy,1 --stop-after=greedy,1 just to run the second invocation of the greedy allocator alone.

https://github.com/llvm/llvm-project/pull/209704