[llvm] [AMDGPU] Introduce a pseudo mnemonic for S_DELAY_ALU in MIR. (PR #96004)

[Matt Arsenault via llvm-commits]

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+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
+# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -mattr=-wavefrontsize32,+wavefrontsize64 -verify-machineinstrs -run-pass=amdgpu-insert-delay-alu %s -o - | FileCheck %s
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arsenm wrote:

There's no reason to specify -wavefrontsize32

https://github.com/llvm/llvm-project/pull/96004