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; 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
}
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