[llvm] [AMDGPU][WIP] Optimize SGPR spills (PR #93668)

[Christudasan Devadasan via llvm-commits]

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@@ -0,0 +1,295 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx908 -verify-machineinstrs -stress-regalloc=3 -start-before=greedy -stop-after=stack-slot-coloring -o - %s | FileCheck -check-prefix=CHECK %s
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cdevadas wrote:

There are now two instances of stack-slot-coloring in our pipeline. You're interested in the first invocation.  Better specify it with the index too, like -stop-after=stack-slot-coloring,0. The index zero here is meant for stopping after the first instance.

https://github.com/llvm/llvm-project/pull/93668