llvm/test/CodeGen/NVPTX/proxy-reg-erasure.mir

# RUN: llc %s --run-pass=nvptx-proxyreg-erasure -mtriple=nvptx64 -o - | FileCheck %s

--- |
  ; ModuleID = 'third-party/llvm-project/llvm/test/CodeGen/NVPTX/proxy-reg-erasure-mir.ll'
  source_filename = "third-party/llvm-project/llvm/test/CodeGen/NVPTX/proxy-reg-erasure-mir.ll"
  target datalayout = "e-i64:64-i128:128-v16:16-v32:32-n16:32:64"

  declare <4 x i32> @callee_vec_i32()

  define <4 x i32> @check_vec_i32() {
    %ret = call <4 x i32> @callee_vec_i32()
    ret <4 x i32> %ret
  }

...
---
name:            check_vec_i32
alignment:       1
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       false
callsEHReturn:   false
callsUnwindInit: false
hasEHContTarget: false
hasEHScopes:     false
hasEHFunclets:   false
isOutlined:      false
debugInstrRef:   false
failsVerification: false
tracksDebugUserValues: false
registers:
  - { id: 0, class: int32regs, preferred-register: '' }
  - { id: 1, class: int32regs, preferred-register: '' }
  - { id: 2, class: int32regs, preferred-register: '' }
  - { id: 3, class: int32regs, preferred-register: '' }
  - { id: 4, class: int32regs, preferred-register: '' }
  - { id: 5, class: int32regs, preferred-register: '' }
  - { id: 6, class: int32regs, preferred-register: '' }
  - { id: 7, class: int32regs, preferred-register: '' }
  - { id: 8, class: int32regs, preferred-register: '' }
  - { id: 9, class: int32regs, preferred-register: '' }
  - { id: 10, class: int32regs, preferred-register: '' }
  - { id: 11, class: int32regs, preferred-register: '' }
liveins:         []
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       0
  offsetAdjustment: 0
  maxAlignment:    1
  adjustsStack:    false
  hasCalls:        true
  stackProtector:  ''
  functionContext: ''
  maxCallFrameSize: 4294967295
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  hasTailCall:     false
  isCalleeSavedInfoValid: false
  localFrameSize:  0
  savePoint:       ''
  restorePoint:    ''
fixedStack:      []
stack:           []
entry_values:    []
callSites:       []
debugValueSubstitutions: []
constants:       []
machineFunctionInfo: {}
body:             |
  bb.0:
    %0:int32regs, %1:int32regs, %2:int32regs, %3:int32regs = LoadParamMemV4I32 0
    ; CHECK-NOT: ProxyReg
    %4:int32regs = ProxyRegI32 killed %0
    %5:int32regs = ProxyRegI32 killed %1
    %6:int32regs = ProxyRegI32 killed %2
    %7:int32regs = ProxyRegI32 killed %3
    ; CHECK: StoreRetvalV4I32 killed %0, killed %1, killed %2, killed %3
    StoreRetvalV4I32 killed %4, killed %5, killed %6, killed %7, 0

    %8:int32regs = LoadParamMemI32 0
    ; CHECK-NOT: ProxyReg
    %9:int32regs = ProxyRegI32 killed %8
    %10:int32regs = ProxyRegI32 killed %9
    %11:int32regs = ProxyRegI32 killed %10
    ; CHECK: StoreRetvalI32 killed %8
    StoreRetvalI32 killed %11, 0
    Return

...