[llvm] [AMDGPU][NewPM] Port "GCNPreRAOptimizations" pass to NPM (PR #126040)

[Christudasan Devadasan via llvm-commits]

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@@ -1,5 +1,6 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
 # RUN: llc -mtriple=amdgcn -mcpu=gfx908 -run-pass=liveintervals,amdgpu-pre-ra-optimizations -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX908 %s
+# RUN: llc -mtriple=amdgcn -mcpu=gfx908 -passes="require<live-intervals>,amdgpu-pre-ra-optimizations" %s -o - | FileCheck -check-prefix=GFX908 %s
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cdevadas wrote:

Nit: Should we really need to enforce the require<live-inervals>? The analysis if not available will get computed anyway. This should also be fixed in the legacy run line. 

https://github.com/llvm/llvm-project/pull/126040