llvm/test/CodeGen/AArch64/aarch64-swp-ws-live-intervals.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc --mtriple=aarch64 %s -run-pass=pipeliner -o - | FileCheck %s

...
---
name:            foo
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: foo
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.3(0x80000000)
  ; CHECK-NEXT:   liveins: $x0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:gpr64common = COPY $x0
  ; CHECK-NEXT:   [[FMOVD0_:%[0-9]+]]:fpr64 = FMOVD0
  ; CHECK-NEXT:   [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 1
  ; CHECK-NEXT:   [[SUBREG_TO_REG:%[0-9]+]]:gpr64sp = SUBREG_TO_REG 0, [[MOVi32imm]], %subreg.sub_32
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3:
  ; CHECK-NEXT:   successors: %bb.4(0x40000000), %bb.7(0x40000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[FADDDrr:%[0-9]+]]:fpr64 = nofpexcept FADDDrr [[FMOVD0_]], [[FMOVD0_]], implicit $fpcr
  ; CHECK-NEXT:   [[SUBSXri:%[0-9]+]]:gpr64 = nsw SUBSXri [[SUBREG_TO_REG]], 1, 0, implicit-def $nzcv
  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:gpr64sp = COPY [[SUBSXri]]
  ; CHECK-NEXT:   [[FMOVDi:%[0-9]+]]:fpr64 = FMOVDi 112
  ; CHECK-NEXT:   Bcc 0, %bb.7, implicit $nzcv
  ; CHECK-NEXT:   B %bb.4
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.4:
  ; CHECK-NEXT:   successors: %bb.5(0x80000000), %bb.6(0x00000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[FADDDrr1:%[0-9]+]]:fpr64 = nofpexcept FADDDrr [[FADDDrr]], [[FMOVD0_]], implicit $fpcr
  ; CHECK-NEXT:   [[FADDDrr2:%[0-9]+]]:fpr64 = nofpexcept FADDDrr [[FMOVD0_]], [[FMOVD0_]], implicit $fpcr
  ; CHECK-NEXT:   [[SUBSXri1:%[0-9]+]]:gpr64 = nsw SUBSXri [[COPY1]], 1, 0, implicit-def $nzcv
  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:gpr64all = COPY [[SUBSXri1]]
  ; CHECK-NEXT:   [[FMOVDi1:%[0-9]+]]:fpr64 = FMOVDi 112
  ; CHECK-NEXT:   Bcc 0, %bb.6, implicit $nzcv
  ; CHECK-NEXT:   B %bb.5
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.5:
  ; CHECK-NEXT:   successors: %bb.6(0x04000000), %bb.5(0x7c000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[PHI:%[0-9]+]]:gpr64sp = PHI [[COPY2]], %bb.4, %24, %bb.5
  ; CHECK-NEXT:   [[PHI1:%[0-9]+]]:fpr64 = PHI [[FMOVDi1]], %bb.4, %25, %bb.5
  ; CHECK-NEXT:   [[PHI2:%[0-9]+]]:fpr64 = PHI [[FMOVDi]], %bb.4, [[PHI1]], %bb.5
  ; CHECK-NEXT:   [[PHI3:%[0-9]+]]:fpr64 = PHI [[FADDDrr2]], %bb.4, %22, %bb.5
  ; CHECK-NEXT:   [[PHI4:%[0-9]+]]:fpr64 = PHI [[FADDDrr1]], %bb.4, %23, %bb.5
  ; CHECK-NEXT:   [[SUBSXri2:%[0-9]+]]:gpr64 = nsw SUBSXri [[PHI]], 1, 0, implicit-def $nzcv
  ; CHECK-NEXT:   [[FADDDrr3:%[0-9]+]]:fpr64 = nofpexcept FADDDrr [[PHI2]], [[FMOVD0_]], implicit $fpcr
  ; CHECK-NEXT:   [[FADDDrr4:%[0-9]+]]:fpr64 = nofpexcept FADDDrr [[PHI3]], [[PHI2]], implicit $fpcr
  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:gpr64all = COPY [[SUBSXri2]]
  ; CHECK-NEXT:   STRDui [[PHI4]], [[COPY]], 0
  ; CHECK-NEXT:   [[FMOVDi2:%[0-9]+]]:fpr64 = FMOVDi 112
  ; CHECK-NEXT:   Bcc 1, %bb.5, implicit $nzcv
  ; CHECK-NEXT:   B %bb.6
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.6:
  ; CHECK-NEXT:   successors: %bb.7(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[PHI5:%[0-9]+]]:fpr64 = PHI [[FMOVDi]], %bb.4, [[PHI1]], %bb.5
  ; CHECK-NEXT:   [[PHI6:%[0-9]+]]:fpr64 = PHI [[FADDDrr2]], %bb.4, [[FADDDrr3]], %bb.5
  ; CHECK-NEXT:   [[PHI7:%[0-9]+]]:fpr64 = PHI [[FADDDrr1]], %bb.4, [[FADDDrr4]], %bb.5
  ; CHECK-NEXT:   STRDui [[PHI7]], [[COPY]], 0
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.7:
  ; CHECK-NEXT:   successors: %bb.2(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[PHI8:%[0-9]+]]:fpr64 = PHI [[FMOVD0_]], %bb.3, [[PHI5]], %bb.6
  ; CHECK-NEXT:   [[PHI9:%[0-9]+]]:fpr64 = PHI [[FADDDrr]], %bb.3, [[PHI6]], %bb.6
  ; CHECK-NEXT:   [[FADDDrr5:%[0-9]+]]:fpr64 = nofpexcept FADDDrr [[PHI9]], [[PHI8]], implicit $fpcr
  ; CHECK-NEXT:   STRDui [[FADDDrr5]], [[COPY]], 0
  ; CHECK-NEXT:   B %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2:
  ; CHECK-NEXT:   RET_ReallyLR
  bb.0:
    successors: %bb.1(0x80000000)
    liveins: $x0

    %0:gpr64common = COPY $x0
    %1:fpr64 = FMOVD0
    %2:gpr32 = MOVi32imm 1
    %3:gpr64all = SUBREG_TO_REG 0, killed %2, %subreg.sub_32

  bb.1:
    successors: %bb.2(0x04000000), %bb.1(0x7c000000)

    %4:gpr64sp = PHI %3, %bb.0, %5, %bb.1
    %6:fpr64 = PHI %1, %bb.0, %7, %bb.1
    %8:fpr64 = PHI %1, %bb.0, %6, %bb.1
    %9:fpr64 = nofpexcept FADDDrr %8, %1, implicit $fpcr
    %10:fpr64 = nofpexcept FADDDrr killed %9, %6, implicit $fpcr
    STRDui killed %10, %0, 0
    %11:gpr64 = nsw SUBSXri %4, 1, 0, implicit-def $nzcv
    %5:gpr64all = COPY %11
    %7:fpr64 = FMOVDi 112
    Bcc 1, %bb.1, implicit $nzcv
    B %bb.2

  bb.2:
    RET_ReallyLR

...