test/CodeGen/RISCV/rvv/addi-rvv-stack-object.mir

# RUN: llc -mtriple=riscv64 -mattr=+v -run-pass prologepilog %s -o - | FileCheck %s
--- |
  declare void @extern(<vscale x 16 x i8>*) #0
  
  define void @addi_rvv_stack_object() #0 {
    %local0 = alloca <vscale x 16 x i8>, align 16
    call void @extern(<vscale x 16 x i8>* %local0)
    ret void
  }
  
  attributes #0 = { "target-features"="+v" }

...
---
name:            addi_rvv_stack_object
alignment:       4
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       0
  offsetAdjustment: 0
  maxAlignment:    16
  adjustsStack:    false
  hasCalls:        true
  stackProtector:  ''
  functionContext: ''
  maxCallFrameSize: 4294967295
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  hasTailCall:     false
  localFrameSize:  0
  savePoint:       ''
  restorePoint:    ''
fixedStack:      []
stack:
  - { id: 0, name: local0, type: default, offset: 0, size: 16, alignment: 16, 
      stack-id: scalable-vector, callee-saved-register: '', callee-saved-restored: true, 
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
# CHECK: - { id: 2, name: '', type: default, offset: -16, size: 8, alignment: 8,
# CHECK:     stack-id: default, callee-saved-register: '', callee-saved-restored: true,
# CHECK:     debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
callSites:       []
debugValueSubstitutions: []
constants:       []
machineFunctionInfo:
  varArgsFrameIndex: 0
  varArgsSaveSize: 0
body:             |
  bb.0 (%ir-block.0):
    ADJCALLSTACKDOWN 0, 0, implicit-def dead $x2, implicit $x2
    $x10 = ADDI %stack.0.local0, 0
    PseudoCALL target-flags(riscv-plt) @extern, csr_ilp32d_lp64d, implicit-def dead $x1, implicit killed $x10, implicit-def $x2
    ADJCALLSTACKUP 0, 0, implicit-def dead $x2, implicit $x2
    PseudoRET

...