[llvm] [AMDGPU] Support preloading hidden kernel arguments (PR #98861)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,222 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -mtriple=amdgcn-amd-amdhsa -mcpu=gfx940 -amdgpu-attributor -amdgpu-lower-kernel-arguments -S < %s | FileCheck -check-prefix=NO-PRELOAD %s
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arsenm wrote:

use -passes and only use the new pass manager 

https://github.com/llvm/llvm-project/pull/98861