llvm/test/CodeGen/M68k/CodeModel/Large/Atomics/fence.ll

   1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
   2 ; RUN: llc -mtriple=m68k-linux-gnu --code-model=large < %s | FileCheck %s
   3 ; RUN: llc -mtriple=m68k-linux-gnu --code-model=large --relocation-model=pic < %s | FileCheck %s --check-prefix=PIC
   4
   5 ; M68k's libgcc does NOT have __sync_synchronize so we shouldn't
   6 ; lower to that.
   7
   8 define void @atomic_fence() {
   9 ; CHECK-LABEL: atomic_fence:
  10 ; CHECK:         .cfi_startproc
  11 ; CHECK-NEXT:  ; %bb.0: ; %entry
  12 ; CHECK-NEXT:    ;APP
  13 ; CHECK-NEXT:    ;NO_APP
  14 ; CHECK-NEXT:    ;APP
  15 ; CHECK-NEXT:    ;NO_APP
  16 ; CHECK-NEXT:    ;APP
  17 ; CHECK-NEXT:    ;NO_APP
  18 ; CHECK-NEXT:    ;APP
  19 ; CHECK-NEXT:    ;NO_APP
  20 ; CHECK-NEXT:    rts
  21 ;
  22 ; PIC-LABEL: atomic_fence:
  23 ; PIC:         .cfi_startproc
  24 ; PIC-NEXT:  ; %bb.0: ; %entry
  25 ; PIC-NEXT:    ;APP
  26 ; PIC-NEXT:    ;NO_APP
  27 ; PIC-NEXT:    ;APP
  28 ; PIC-NEXT:    ;NO_APP
  29 ; PIC-NEXT:    ;APP
  30 ; PIC-NEXT:    ;NO_APP
  31 ; PIC-NEXT:    ;APP
  32 ; PIC-NEXT:    ;NO_APP
  33 ; PIC-NEXT:    rts
  34 entry:
  35   fence acquire
  36   fence release
  37   fence acq_rel
  38   fence seq_cst
  39   ret void
  40 }
  41