[llvm] [PHIElimination] Declare MachineLoopInfo dependency for Legacy PM (PR #169693)

[Matt Arsenault via llvm-commits]

================
@@ -0,0 +1,44 @@
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=machine-loops,livevars,phi-node-elimination -no-phi-elim-live-out-early-exit -stats -filetype=null %s 2>&1 | FileCheck %s
+# REQUIRES: asserts
----------------
arsenm wrote:

Can you just check the output instead of checking the debug log 

https://github.com/llvm/llvm-project/pull/169693