; 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: atomic_fetch_add32 ; X32: 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: atomic_fetch_sub32 ; X32: 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: atomic_fetch_and32 ; X32: 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: atomic_fetch_or32 ; X32: 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: atomic_fetch_xor32 ; X32: 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: atomic_fetch_nand32 ; X32: 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 { %t1 = atomicrmw max i32* @sc32, i32 %x acquire ; X64: cmpl ; X64: cmov ; X64: lock ; X64: cmpxchgl ; X32: cmpl ; X32: cmov ; X32: lock ; X32: cmpxchgl ; NOCMOV: cmpl ; NOCMOV: jl ; NOCMOV: lock ; NOCMOV: cmpxchgl ret void ; X64: ret ; X32: ret ; NOCMOV: ret } define void @atomic_fetch_min32(i32 %x) nounwind { %t1 = atomicrmw min i32* @sc32, i32 %x acquire ; X64: cmpl ; X64: cmov ; X64: lock ; X64: cmpxchgl ; X32: cmpl ; X32: cmov ; X32: lock ; X32: cmpxchgl ; NOCMOV: cmpl ; NOCMOV: jg ; NOCMOV: lock ; NOCMOV: cmpxchgl ret void ; X64: ret ; X32: ret ; NOCMOV: ret } define void @atomic_fetch_umax32(i32 %x) nounwind { %t1 = atomicrmw umax i32* @sc32, i32 %x acquire ; X64: cmpl ; X64: cmov ; X64: lock ; X64: cmpxchgl ; X32: cmpl ; X32: cmov ; X32: lock ; X32: cmpxchgl ; NOCMOV: cmpl ; NOCMOV: jb ; NOCMOV: lock ; NOCMOV: cmpxchgl ret void ; X64: ret ; X32: ret ; NOCMOV: ret } define void @atomic_fetch_umin32(i32 %x) nounwind { %t1 = atomicrmw umin i32* @sc32, i32 %x acquire ; X64: cmpl ; X64: cmov ; X64: lock ; X64: cmpxchgl ; X32: cmpl ; X32: cmov ; X32: lock ; X32: cmpxchgl ; NOCMOV: cmpl ; NOCMOV: ja ; NOCMOV: lock ; NOCMOV: cmpxchgl ret void ; X64: ret ; X32: ret ; NOCMOV: ret } define void @atomic_fetch_cmpxchg32() nounwind { %t1 = cmpxchg i32* @sc32, i32 0, i32 1 acquire ; X64: lock ; X64: cmpxchgl ; X32: lock ; X32: cmpxchgl ret void ; X64: ret ; X32: ret } define void @atomic_fetch_store32(i32 %x) nounwind { 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 { %t1 = atomicrmw xchg i32* @sc32, i32 %x acquire ; X64-NOT: lock ; X64: xchgl ; X32-NOT: lock ; X32: xchgl ret void ; X64: ret ; X32: ret }