llvm/test/CodeGen/MIR/RISCV/machine-function-info.mir

# RUN: llc -mtriple=riscv64 -run-pass none %s -o - | FileCheck %s

--- |
  ; ModuleID = 'foo.ll'
  source_filename = "foo.ll"
  target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"
  target triple = "riscv64"

  define void @foo(i32 %0, ...) {
    ret void
  }

...
---
name:            foo
alignment:       4
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       false
failsVerification: false
tracksDebugUserValues: false
registers:
  - { id: 0, class: gpr, preferred-register: '' }
  - { id: 1, class: gpr, preferred-register: '' }
  - { id: 2, class: gpr, preferred-register: '' }
  - { id: 3, class: gpr, preferred-register: '' }
  - { id: 4, class: gpr, preferred-register: '' }
  - { id: 5, class: gpr, preferred-register: '' }
  - { id: 6, class: gpr, preferred-register: '' }
  - { id: 7, class: gpr, preferred-register: '' }
liveins:
  - { reg: '$x11', virtual-reg: '%1' }
  - { reg: '$x12', virtual-reg: '%2' }
  - { reg: '$x13', virtual-reg: '%3' }
  - { reg: '$x14', virtual-reg: '%4' }
  - { reg: '$x15', virtual-reg: '%5' }
  - { reg: '$x16', virtual-reg: '%6' }
  - { reg: '$x17', virtual-reg: '%7' }
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       0
  offsetAdjustment: 0
  maxAlignment:    1
  adjustsStack:    false
  hasCalls:        false
  stackProtector:  ''
  maxCallFrameSize: 4294967295
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  hasTailCall:     false
  localFrameSize:  0
  savePoint:       []
  restorePoint:    []
fixedStack:
  - { id: 0, type: default, offset: -8, size: 8, alignment: 8, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 1, type: default, offset: -16, size: 8, alignment: 16, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 2, type: default, offset: -24, size: 8, alignment: 8, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 3, type: default, offset: -32, size: 8, alignment: 16, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 4, type: default, offset: -40, size: 8, alignment: 8, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 5, type: default, offset: -48, size: 8, alignment: 16, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 6, type: default, offset: -56, size: 8, alignment: 8, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 7, type: default, offset: -64, size: 8, alignment: 16, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 8, type: default, offset: -56, size: 8, alignment: 8, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
stack:           []
callSites:       []
debugValueSubstitutions: []
constants:       []
machineFunctionInfo:
  varArgsFrameIndex: -1
  varArgsSaveSize: 64
body:             |
  bb.0 (%ir-block.1):
    liveins: $x11, $x12, $x13, $x14, $x15, $x16, $x17
    ; CHECK-LABEL: name: foo
    ; CHECK: machineFunctionInfo:
    ; CHECK-NEXT:  varArgsFrameIndex: -1
    ; CHECK-NEXT:  varArgsSaveSize: 64
    ; CHECK: liveins: $x11, $x12, $x13, $x14, $x15, $x16, $x17
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr = COPY $x17
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr = COPY $x16
    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr = COPY $x15
    ; CHECK-NEXT: [[COPY3:%[0-9]+]]:gpr = COPY $x14
    ; CHECK-NEXT: [[COPY4:%[0-9]+]]:gpr = COPY $x13
    ; CHECK-NEXT: [[COPY5:%[0-9]+]]:gpr = COPY $x12
    ; CHECK-NEXT: [[COPY6:%[0-9]+]]:gpr = COPY $x11
    ; CHECK-NEXT: SD [[COPY]], %fixed-stack.8, 0 :: (store (s64))
    ; CHECK-NEXT: SD [[COPY1]], %fixed-stack.7, 0 :: (store (s64) into %fixed-stack.7, align 16)
    ; CHECK-NEXT: SD [[COPY2]], %fixed-stack.6, 0 :: (store (s64))
    ; CHECK-NEXT: SD [[COPY3]], %fixed-stack.5, 0 :: (store (s64) into %fixed-stack.5, align 16)
    ; CHECK-NEXT: SD [[COPY4]], %fixed-stack.4, 0 :: (store (s64))
    ; CHECK-NEXT: SD [[COPY5]], %fixed-stack.3, 0 :: (store (s64) into %fixed-stack.3, align 16)
    ; CHECK-NEXT: SD [[COPY6]], %fixed-stack.2, 0 :: (store (s64))
    ; CHECK-NEXT: PseudoRET
    %7:gpr = COPY $x17
    %6:gpr = COPY $x16
    %5:gpr = COPY $x15
    %4:gpr = COPY $x14
    %3:gpr = COPY $x13
    %2:gpr = COPY $x12
    %1:gpr = COPY $x11
    SD %7, %fixed-stack.0, 0 :: (store (s64))
    SD %6, %fixed-stack.1, 0 :: (store (s64) into %fixed-stack.1, align 16)
    SD %5, %fixed-stack.2, 0 :: (store (s64))
    SD %4, %fixed-stack.3, 0 :: (store (s64) into %fixed-stack.3, align 16)
    SD %3, %fixed-stack.4, 0 :: (store (s64))
    SD %2, %fixed-stack.5, 0 :: (store (s64) into %fixed-stack.5, align 16)
    SD %1, %fixed-stack.6, 0 :: (store (s64))
    PseudoRET

...