llvm/llvm/test/CodeGen/CSKY/atomic-fence.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=csky -verify-machineinstrs -csky-no-aliases -mattr=+2e3 < %s \
; RUN:   | FileCheck -check-prefix=CSKY %s

define void @fence_acquire() nounwind {
; CSKY-LABEL: fence_acquire:
; CSKY:       # %bb.0:
; CSKY-NEXT:    subi16 sp, sp, 4
; CSKY-NEXT:    st32.w lr, (sp, 0) # 4-byte Folded Spill
; CSKY-NEXT:    jsri32 [.LCPI0_0]
; CSKY-NEXT:    ld32.w lr, (sp, 0) # 4-byte Folded Reload
; CSKY-NEXT:    addi16 sp, sp, 4
; CSKY-NEXT:    rts16
; CSKY-NEXT:    .p2align 1
; CSKY-NEXT:  # %bb.1:
; CSKY-NEXT:    .p2align 2
; CSKY-NEXT:  .LCPI0_0:
; CSKY-NEXT:    .long __sync_synchronize
;
  fence acquire
  ret void
}

define void @fence_release() nounwind {
; CSKY-LABEL: fence_release:
; CSKY:       # %bb.0:
; CSKY-NEXT:    subi16 sp, sp, 4
; CSKY-NEXT:    st32.w lr, (sp, 0) # 4-byte Folded Spill
; CSKY-NEXT:    jsri32 [.LCPI1_0]
; CSKY-NEXT:    ld32.w lr, (sp, 0) # 4-byte Folded Reload
; CSKY-NEXT:    addi16 sp, sp, 4
; CSKY-NEXT:    rts16
; CSKY-NEXT:    .p2align 1
; CSKY-NEXT:  # %bb.1:
; CSKY-NEXT:    .p2align 2
; CSKY-NEXT:  .LCPI1_0:
; CSKY-NEXT:    .long __sync_synchronize
;
  fence release
  ret void
}

define void @fence_acq_rel() nounwind {
; CSKY-LABEL: fence_acq_rel:
; CSKY:       # %bb.0:
; CSKY-NEXT:    subi16 sp, sp, 4
; CSKY-NEXT:    st32.w lr, (sp, 0) # 4-byte Folded Spill
; CSKY-NEXT:    jsri32 [.LCPI2_0]
; CSKY-NEXT:    ld32.w lr, (sp, 0) # 4-byte Folded Reload
; CSKY-NEXT:    addi16 sp, sp, 4
; CSKY-NEXT:    rts16
; CSKY-NEXT:    .p2align 1
; CSKY-NEXT:  # %bb.1:
; CSKY-NEXT:    .p2align 2
; CSKY-NEXT:  .LCPI2_0:
; CSKY-NEXT:    .long __sync_synchronize
;
  fence acq_rel
  ret void
}

define void @fence_seq_cst() nounwind {
; CSKY-LABEL: fence_seq_cst:
; CSKY:       # %bb.0:
; CSKY-NEXT:    subi16 sp, sp, 4
; CSKY-NEXT:    st32.w lr, (sp, 0) # 4-byte Folded Spill
; CSKY-NEXT:    jsri32 [.LCPI3_0]
; CSKY-NEXT:    ld32.w lr, (sp, 0) # 4-byte Folded Reload
; CSKY-NEXT:    addi16 sp, sp, 4
; CSKY-NEXT:    rts16
; CSKY-NEXT:    .p2align 1
; CSKY-NEXT:  # %bb.1:
; CSKY-NEXT:    .p2align 2
; CSKY-NEXT:  .LCPI3_0:
; CSKY-NEXT:    .long __sync_synchronize
;
  fence seq_cst
  ret void
}