Mercurial > hg > Members > tobaru > cbc > CbC_llvm

view test/CodeGen/X86/atomic32.ll @ 77:54457678186b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
parents 95c75e76d11b
children afa8332a0e37
line wrap: on
line source

; RUN: llc < %s -O0 -march=x86-64 -mcpu=corei7 -verify-machineinstrs | FileCheck %s --check-prefix X64
; RUN: llc < %s -O0 -march=x86 -mcpu=corei7 -verify-machineinstrs | FileCheck %s --check-prefix X32
; RUN: llc < %s -O0 -march=x86 -mcpu=corei7 -mattr=-cmov -verify-machineinstrs | FileCheck %s --check-prefix NOCMOV

@sc32 = external global i32

define void @atomic_fetch_add32() nounwind {
; X64-LABEL:   atomic_fetch_add32:
; X32-LABEL:   atomic_fetch_add32:
entry:
; 32-bit
  %t1 = atomicrmw add  i32* @sc32, i32 1 acquire
; X64:       lock
; X64:       incl
; X32:       lock
; X32:       incl
  %t2 = atomicrmw add  i32* @sc32, i32 3 acquire
; X64:       lock
; X64:       addl $3
; X32:       lock
; X32:       addl $3
  %t3 = atomicrmw add  i32* @sc32, i32 5 acquire
; X64:       lock
; X64:       xaddl
; X32:       lock
; X32:       xaddl
  %t4 = atomicrmw add  i32* @sc32, i32 %t3 acquire
; X64:       lock
; X64:       addl
; X32:       lock
; X32:       addl
  ret void
; X64:       ret
; X32:       ret
}

define void @atomic_fetch_sub32() nounwind {
; X64-LABEL:   atomic_fetch_sub32:
; X32-LABEL:   atomic_fetch_sub32:
  %t1 = atomicrmw sub  i32* @sc32, i32 1 acquire
; X64:       lock
; X64:       decl
; X32:       lock
; X32:       decl
  %t2 = atomicrmw sub  i32* @sc32, i32 3 acquire
; X64:       lock
; X64:       subl $3
; X32:       lock
; X32:       subl $3
  %t3 = atomicrmw sub  i32* @sc32, i32 5 acquire
; X64:       lock
; X64:       xaddl
; X32:       lock
; X32:       xaddl
  %t4 = atomicrmw sub  i32* @sc32, i32 %t3 acquire
; X64:       lock
; X64:       subl
; X32:       lock
; X32:       subl
  ret void
; X64:       ret
; X32:       ret
}

define void @atomic_fetch_and32() nounwind {
; X64-LABEL:   atomic_fetch_and32:
; X32-LABEL:   atomic_fetch_and32:
  %t1 = atomicrmw and  i32* @sc32, i32 3 acquire
; X64:       lock
; X64:       andl $3
; X32:       lock
; X32:       andl $3
  %t2 = atomicrmw and  i32* @sc32, i32 5 acquire
; X64:       andl
; X64:       lock
; X64:       cmpxchgl
; X32:       andl
; X32:       lock
; X32:       cmpxchgl
  %t3 = atomicrmw and  i32* @sc32, i32 %t2 acquire
; X64:       lock
; X64:       andl
; X32:       lock
; X32:       andl
  ret void
; X64:       ret
; X32:       ret
}

define void @atomic_fetch_or32() nounwind {
; X64-LABEL:   atomic_fetch_or32:
; X32-LABEL:   atomic_fetch_or32:
  %t1 = atomicrmw or   i32* @sc32, i32 3 acquire
; X64:       lock
; X64:       orl $3
; X32:       lock
; X32:       orl $3
  %t2 = atomicrmw or   i32* @sc32, i32 5 acquire
; X64:       orl
; X64:       lock
; X64:       cmpxchgl
; X32:       orl
; X32:       lock
; X32:       cmpxchgl
  %t3 = atomicrmw or   i32* @sc32, i32 %t2 acquire
; X64:       lock
; X64:       orl
; X32:       lock
; X32:       orl
  ret void
; X64:       ret
; X32:       ret
}

define void @atomic_fetch_xor32() nounwind {
; X64-LABEL:   atomic_fetch_xor32:
; X32-LABEL:   atomic_fetch_xor32:
  %t1 = atomicrmw xor  i32* @sc32, i32 3 acquire
; X64:       lock
; X64:       xorl $3
; X32:       lock
; X32:       xorl $3
  %t2 = atomicrmw xor  i32* @sc32, i32 5 acquire
; X64:       xorl
; X64:       lock
; X64:       cmpxchgl
; X32:       xorl
; X32:       lock
; X32:       cmpxchgl
  %t3 = atomicrmw xor  i32* @sc32, i32 %t2 acquire
; X64:       lock
; X64:       xorl
; X32:       lock
; X32:       xorl
  ret void
; X64:       ret
; X32:       ret
}

define void @atomic_fetch_nand32(i32 %x) nounwind {
; X64-LABEL:   atomic_fetch_nand32:
; X32-LABEL:   atomic_fetch_nand32:
  %t1 = atomicrmw nand i32* @sc32, i32 %x acquire
; X64:       andl
; X64:       notl
; X64:       lock
; X64:       cmpxchgl
; X32:       andl
; X32:       notl
; X32:       lock
; X32:       cmpxchgl
  ret void
; X64:       ret
; X32:       ret
}

define void @atomic_fetch_max32(i32 %x) nounwind {
; X64-LABEL: atomic_fetch_max32:
; X32-LABEL: atomic_fetch_max32:

  %t1 = atomicrmw max  i32* @sc32, i32 %x acquire
; X64:       subl
; X64:       cmov
; X64:       lock
; X64:       cmpxchgl

; X32:       subl
; X32:       cmov
; X32:       lock
; X32:       cmpxchgl

; NOCMOV:    subl
; NOCMOV:    jge
; NOCMOV:    lock
; NOCMOV:    cmpxchgl
  ret void
; X64:       ret
; X32:       ret
; NOCMOV:    ret
}

define void @atomic_fetch_min32(i32 %x) nounwind {
; X64-LABEL: atomic_fetch_min32:
; X32-LABEL: atomic_fetch_min32:
; NOCMOV-LABEL: atomic_fetch_min32:

  %t1 = atomicrmw min  i32* @sc32, i32 %x acquire
; X64:       subl
; X64:       cmov
; X64:       lock
; X64:       cmpxchgl

; X32:       subl
; X32:       cmov
; X32:       lock
; X32:       cmpxchgl

; NOCMOV:    subl
; NOCMOV:    jle
; NOCMOV:    lock
; NOCMOV:    cmpxchgl
  ret void
; X64:       ret
; X32:       ret
; NOCMOV:    ret
}

define void @atomic_fetch_umax32(i32 %x) nounwind {
; X64-LABEL: atomic_fetch_umax32:
; X32-LABEL: atomic_fetch_umax32:
; NOCMOV-LABEL: atomic_fetch_umax32:

  %t1 = atomicrmw umax i32* @sc32, i32 %x acquire
; X64:       subl
; X64:       cmov
; X64:       lock
; X64:       cmpxchgl

; X32:       subl
; X32:       cmov
; X32:       lock
; X32:       cmpxchgl

; NOCMOV:    subl
; NOCMOV:    ja
; NOCMOV:    lock
; NOCMOV:    cmpxchgl
  ret void
; X64:       ret
; X32:       ret
; NOCMOV:    ret
}

define void @atomic_fetch_umin32(i32 %x) nounwind {
; X64-LABEL: atomic_fetch_umin32:
; X32-LABEL: atomic_fetch_umin32:
; NOCMOV-LABEL: atomic_fetch_umin32:

  %t1 = atomicrmw umin i32* @sc32, i32 %x acquire
; X64:       subl
; X64:       cmov
; X64:       lock
; X64:       cmpxchgl

; X32:       subl
; X32:       cmov
; X32:       lock
; X32:       cmpxchgl

; NOCMOV:    subl
; NOCMOV:    jb
; NOCMOV:    lock
; NOCMOV:    cmpxchgl
  ret void
; X64:       ret
; X32:       ret
; NOCMOV:    ret
}

define void @atomic_fetch_cmpxchg32() nounwind {
; X64-LABEL: atomic_fetch_cmpxchg32:
; X32-LABEL: atomic_fetch_cmpxchg32:

  %t1 = cmpxchg i32* @sc32, i32 0, i32 1 acquire acquire
; X64:       lock
; X64:       cmpxchgl
; X32:       lock
; X32:       cmpxchgl
  ret void
; X64:       ret
; X32:       ret
}

define void @atomic_fetch_store32(i32 %x) nounwind {
; X64-LABEL: atomic_fetch_store32:
; X32-LABEL: atomic_fetch_store32:

  store atomic i32 %x, i32* @sc32 release, align 4
; X64-NOT:   lock
; X64:       movl
; X32-NOT:   lock
; X32:       movl
  ret void
; X64:       ret
; X32:       ret
}

define void @atomic_fetch_swap32(i32 %x) nounwind {
; X64-LABEL: atomic_fetch_swap32:
; X32-LABEL: atomic_fetch_swap32:

  %t1 = atomicrmw xchg i32* @sc32, i32 %x acquire
; X64-NOT:   lock
; X64:       xchgl
; X32-NOT:   lock
; X32:       xchgl
  ret void
; X64:       ret
; X32:       ret
}