; RUN: llc < %s -O0 -march=x86-64 -mcpu=corei7 -verify-machineinstrs | FileCheck %s -check-prefix=WITH-CMOV ; RUN: llc < %s -O0 -march=x86 -mcpu=corei7 -verify-machineinstrs | FileCheck %s -check-prefix=WITH-CMOV ; 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 { ; WITH-CMOV-LABEL: atomic_fetch_add32: entry: ; 32-bit %t1 = atomicrmw add i32* @sc32, i32 1 acquire ; WITH-CMOV: lock ; WITH-CMOV: incl %t2 = atomicrmw add i32* @sc32, i32 3 acquire ; WITH-CMOV: lock ; WITH-CMOV: addl $3 %t3 = atomicrmw add i32* @sc32, i32 5 acquire ; WITH-CMOV: lock ; WITH-CMOV: xaddl %t4 = atomicrmw add i32* @sc32, i32 %t3 acquire ; WITH-CMOV: lock ; WITH-CMOV: addl ret void ; WITH-CMOV: ret } define void @atomic_fetch_sub32() nounwind { ; WITH-CMOV-LABEL: atomic_fetch_sub32: %t1 = atomicrmw sub i32* @sc32, i32 1 acquire ; WITH-CMOV: lock ; WITH-CMOV: decl %t2 = atomicrmw sub i32* @sc32, i32 3 acquire ; WITH-CMOV: lock ; WITH-CMOV: subl $3 %t3 = atomicrmw sub i32* @sc32, i32 5 acquire ; WITH-CMOV: lock ; WITH-CMOV: xaddl %t4 = atomicrmw sub i32* @sc32, i32 %t3 acquire ; WITH-CMOV: lock ; WITH-CMOV: subl ret void ; WITH-CMOV: ret } define void @atomic_fetch_and32() nounwind { ; WITH-CMOV-LABEL: atomic_fetch_and32: %t1 = atomicrmw and i32* @sc32, i32 3 acquire ; WITH-CMOV: lock ; WITH-CMOV: andl $3 %t2 = atomicrmw and i32* @sc32, i32 5 acquire ; WITH-CMOV: andl ; WITH-CMOV: lock ; WITH-CMOV: cmpxchgl %t3 = atomicrmw and i32* @sc32, i32 %t2 acquire ; WITH-CMOV: lock ; WITH-CMOV: andl ret void ; WITH-CMOV: ret } define void @atomic_fetch_or32() nounwind { ; WITH-CMOV-LABEL: atomic_fetch_or32: %t1 = atomicrmw or i32* @sc32, i32 3 acquire ; WITH-CMOV: lock ; WITH-CMOV: orl $3 %t2 = atomicrmw or i32* @sc32, i32 5 acquire ; WITH-CMOV: orl ; WITH-CMOV: lock ; WITH-CMOV: cmpxchgl %t3 = atomicrmw or i32* @sc32, i32 %t2 acquire ; WITH-CMOV: lock ; WITH-CMOV: orl ret void ; WITH-CMOV: ret } define void @atomic_fetch_xor32() nounwind { ; WITH-CMOV-LABEL: atomic_fetch_xor32: %t1 = atomicrmw xor i32* @sc32, i32 3 acquire ; WITH-CMOV: lock ; WITH-CMOV: xorl $3 %t2 = atomicrmw xor i32* @sc32, i32 5 acquire ; WITH-CMOV: xorl ; WITH-CMOV: lock ; WITH-CMOV: cmpxchgl %t3 = atomicrmw xor i32* @sc32, i32 %t2 acquire ; WITH-CMOV: lock ; WITH-CMOV: xorl ret void ; WITH-CMOV: ret } define void @atomic_fetch_nand32(i32 %x) nounwind { ; WITH-CMOV-LABEL: atomic_fetch_nand32: %t1 = atomicrmw nand i32* @sc32, i32 %x acquire ; WITH-CMOV: andl ; WITH-CMOV: notl ; WITH-CMOV: lock ; WITH-CMOV: cmpxchgl ret void ; WITH-CMOV: ret } define void @atomic_fetch_max32(i32 %x) nounwind { ; WITH-CMOV-LABEL: atomic_fetch_max32: %t1 = atomicrmw max i32* @sc32, i32 %x acquire ; WITH-CMOV: subl ; WITH-CMOV: cmov ; WITH-CMOV: lock ; WITH-CMOV: cmpxchgl ; NOCMOV: subl ; NOCMOV: jge ; NOCMOV: lock ; NOCMOV: cmpxchgl ret void ; WITH-CMOV: ret ; NOCMOV: ret } define void @atomic_fetch_min32(i32 %x) nounwind { ; WITH-CMOV-LABEL: atomic_fetch_min32: ; NOCMOV-LABEL: atomic_fetch_min32: %t1 = atomicrmw min i32* @sc32, i32 %x acquire ; WITH-CMOV: subl ; WITH-CMOV: cmov ; WITH-CMOV: lock ; WITH-CMOV: cmpxchgl ; NOCMOV: subl ; NOCMOV: jle ; NOCMOV: lock ; NOCMOV: cmpxchgl ret void ; WITH-CMOV: ret ; NOCMOV: ret } define void @atomic_fetch_umax32(i32 %x) nounwind { ; WITH-CMOV-LABEL: atomic_fetch_umax32: ; NOCMOV-LABEL: atomic_fetch_umax32: %t1 = atomicrmw umax i32* @sc32, i32 %x acquire ; WITH-CMOV: subl ; WITH-CMOV: cmov ; WITH-CMOV: lock ; WITH-CMOV: cmpxchgl ; NOCMOV: subl ; NOCMOV: ja ; NOCMOV: lock ; NOCMOV: cmpxchgl ret void ; WITH-CMOV: ret ; NOCMOV: ret } define void @atomic_fetch_umin32(i32 %x) nounwind { ; WITH-CMOV-LABEL: atomic_fetch_umin32: ; NOCMOV-LABEL: atomic_fetch_umin32: %t1 = atomicrmw umin i32* @sc32, i32 %x acquire ; WITH-CMOV: subl ; WITH-CMOV: cmov ; WITH-CMOV: lock ; WITH-CMOV: cmpxchgl ; NOCMOV: subl ; NOCMOV: jb ; NOCMOV: lock ; NOCMOV: cmpxchgl ret void ; WITH-CMOV: ret ; NOCMOV: ret } define void @atomic_fetch_cmpxchg32() nounwind { ; WITH-CMOV-LABEL: atomic_fetch_cmpxchg32: %t1 = cmpxchg i32* @sc32, i32 0, i32 1 acquire acquire ; WITH-CMOV: lock ; WITH-CMOV: cmpxchgl ret void ; WITH-CMOV: ret } define void @atomic_fetch_store32(i32 %x) nounwind { ; WITH-CMOV-LABEL: atomic_fetch_store32: store atomic i32 %x, i32* @sc32 release, align 4 ; WITH-CMOV-NOT: lock ; WITH-CMOV: movl ret void ; WITH-CMOV: ret } define void @atomic_fetch_swap32(i32 %x) nounwind { ; WITH-CMOV-LABEL: atomic_fetch_swap32: %t1 = atomicrmw xchg i32* @sc32, i32 %x acquire ; WITH-CMOV-NOT: lock ; WITH-CMOV: xchgl ret void ; WITH-CMOV: ret }