Update llvm/test/CodeGen/AMDGPU/triton_regression_no_waterfall.mir

Co-authored-by: Matt Arsenault <[email protected]>

Author: alex-t

llvm/test/CodeGen/AMDGPU/triton_regression_no_waterfall.mir

@@ -39,53 +39,7 @@
 ...
 ---
 name:            test_should_convert_to_v_readfirstlane_b32
-alignment:       1
-exposesReturnsTwice: false
-legalized:       false
-regBankSelected: false
-selected:        false
-failedISel:      false
 tracksRegLiveness: true
-hasWinCFI:       false
-noPhis:          false
-isSSA:           true
-noVRegs:         false
-hasFakeUses:     false
-callsEHReturn:   false
-callsUnwindInit: false
-hasEHContTarget: false
-hasEHScopes:     false
-hasEHFunclets:   false
-isOutlined:      false
-debugInstrRef:   false
-failsVerification: false
-tracksDebugUserValues: false
-registers:
-  - { id: 0, class: vgpr_32, preferred-register: '', flags: [  ] }
-  - { id: 1, class: sgpr_64, preferred-register: '', flags: [  ] }
-  - { id: 2, class: sgpr_64, preferred-register: '', flags: [  ] }
-  - { id: 3, class: sgpr_64, preferred-register: '', flags: [  ] }
-  - { id: 4, class: sgpr_64, preferred-register: '', flags: [  ] }
-  - { id: 5, class: sgpr_32, preferred-register: '', flags: [  ] }
-  - { id: 6, class: sgpr_32, preferred-register: '', flags: [  ] }
-  - { id: 7, class: sgpr_32, preferred-register: '', flags: [  ] }
-  - { id: 8, class: sgpr_128, preferred-register: '', flags: [  ] }
-  - { id: 9, class: sreg_32, preferred-register: '', flags: [  ] }
-  - { id: 10, class: sreg_32, preferred-register: '', flags: [  ] }
-  - { id: 11, class: sreg_32, preferred-register: '', flags: [  ] }
-  - { id: 12, class: vgpr_32, preferred-register: '', flags: [  ] }
-  - { id: 13, class: sreg_32, preferred-register: '', flags: [  ] }
-  - { id: 14, class: sreg_32, preferred-register: '', flags: [  ] }
-  - { id: 15, class: sreg_32, preferred-register: '', flags: [  ] }
-  - { id: 16, class: sreg_32, preferred-register: '', flags: [  ] }
-  - { id: 17, class: sreg_32, preferred-register: '', flags: [  ] }
-  - { id: 18, class: sreg_32, preferred-register: '', flags: [  ] }
-  - { id: 19, class: sreg_32, preferred-register: '', flags: [  ] }
-  - { id: 20, class: sgpr_128, preferred-register: '', flags: [  ] }
-  - { id: 21, class: sreg_32, preferred-register: '', flags: [  ] }
-  - { id: 22, class: vgpr_32, preferred-register: '', flags: [  ] }
-liveins:
-  - { reg: '$sgpr4_sgpr5', virtual-reg: '%3' }
 frameInfo:
   isFrameAddressTaken: false
   isReturnAddressTaken: false