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; RUN: llc < %s -O0 -march=x86-64 -mcpu=corei7 -verify-machineinstrs | FileCheck %s --check-prefix X64
@sc64 = external global i64
define void @atomic_fetch_add64() nounwind {
; X64: atomic_fetch_add64
entry:
%t1 = atomicrmw add i64* @sc64, i64 1 acquire
; X64: lock
; X64: incq
%t2 = atomicrmw add i64* @sc64, i64 3 acquire
; X64: lock
; X64: addq $3
%t3 = atomicrmw add i64* @sc64, i64 5 acquire
; X64: lock
; X64: xaddq
%t4 = atomicrmw add i64* @sc64, i64 %t3 acquire
; X64: lock
; X64: addq
ret void
; X64: ret
}
define void @atomic_fetch_sub64() nounwind {
; X64: atomic_fetch_sub64
%t1 = atomicrmw sub i64* @sc64, i64 1 acquire
; X64: lock
; X64: decq
%t2 = atomicrmw sub i64* @sc64, i64 3 acquire
; X64: lock
; X64: subq $3
%t3 = atomicrmw sub i64* @sc64, i64 5 acquire
; X64: lock
; X64: xaddq
%t4 = atomicrmw sub i64* @sc64, i64 %t3 acquire
; X64: lock
; X64: subq
ret void
; X64: ret
}
define void @atomic_fetch_and64() nounwind {
; X64: atomic_fetch_and64
%t1 = atomicrmw and i64* @sc64, i64 3 acquire
; X64: lock
; X64: andq $3
%t2 = atomicrmw and i64* @sc64, i64 5 acquire
; X64: andq
; X64: lock
; X64: cmpxchgq
%t3 = atomicrmw and i64* @sc64, i64 %t2 acquire
; X64: lock
; X64: andq
ret void
; X64: ret
}
define void @atomic_fetch_or64() nounwind {
; X64: atomic_fetch_or64
%t1 = atomicrmw or i64* @sc64, i64 3 acquire
; X64: lock
; X64: orq $3
%t2 = atomicrmw or i64* @sc64, i64 5 acquire
; X64: orq
; X64: lock
; X64: cmpxchgq
%t3 = atomicrmw or i64* @sc64, i64 %t2 acquire
; X64: lock
; X64: orq
ret void
; X64: ret
}
define void @atomic_fetch_xor64() nounwind {
; X64: atomic_fetch_xor64
%t1 = atomicrmw xor i64* @sc64, i64 3 acquire
; X64: lock
; X64: xorq $3
%t2 = atomicrmw xor i64* @sc64, i64 5 acquire
; X64: xorq
; X64: lock
; X64: cmpxchgq
%t3 = atomicrmw xor i64* @sc64, i64 %t2 acquire
; X64: lock
; X64: xorq
ret void
; X64: ret
}
define void @atomic_fetch_nand64(i64 %x) nounwind {
; X64: atomic_fetch_nand64
; X32: atomic_fetch_nand64
%t1 = atomicrmw nand i64* @sc64, i64 %x acquire
; X64: andq
; X64: notq
; X64: lock
; X64: cmpxchgq
; X32: andl
; X32: andl
; X32: notl
; X32: notl
; X32: lock
; X32: cmpxchg8b
ret void
; X64: ret
; X32: ret
}
define void @atomic_fetch_max64(i64 %x) nounwind {
%t1 = atomicrmw max i64* @sc64, i64 %x acquire
; X64: cmpq
; X64: cmov
; X64: lock
; X64: cmpxchgq
; X32: cmpl
; X32: cmpl
; X32: cmov
; X32: cmov
; X32: cmov
; X32: lock
; X32: cmpxchg8b
ret void
; X64: ret
; X32: ret
}
define void @atomic_fetch_min64(i64 %x) nounwind {
%t1 = atomicrmw min i64* @sc64, i64 %x acquire
; X64: cmpq
; X64: cmov
; X64: lock
; X64: cmpxchgq
; X32: cmpl
; X32: cmpl
; X32: cmov
; X32: cmov
; X32: cmov
; X32: lock
; X32: cmpxchg8b
ret void
; X64: ret
; X32: ret
}
define void @atomic_fetch_umax64(i64 %x) nounwind {
%t1 = atomicrmw umax i64* @sc64, i64 %x acquire
; X64: cmpq
; X64: cmov
; X64: lock
; X64: cmpxchgq
; X32: cmpl
; X32: cmpl
; X32: cmov
; X32: cmov
; X32: cmov
; X32: lock
; X32: cmpxchg8b
ret void
; X64: ret
; X32: ret
}
define void @atomic_fetch_umin64(i64 %x) nounwind {
%t1 = atomicrmw umin i64* @sc64, i64 %x acquire
; X64: cmpq
; X64: cmov
; X64: lock
; X64: cmpxchgq
; X32: cmpl
; X32: cmpl
; X32: cmov
; X32: cmov
; X32: cmov
; X32: lock
; X32: cmpxchg8b
ret void
; X64: ret
; X32: ret
}
define void @atomic_fetch_cmpxchg64() nounwind {
%t1 = cmpxchg i64* @sc64, i64 0, i64 1 acquire
; X64: lock
; X64: cmpxchgq
; X32: lock
; X32: cmpxchg8b
ret void
; X64: ret
; X32: ret
}
define void @atomic_fetch_store64(i64 %x) nounwind {
store atomic i64 %x, i64* @sc64 release, align 8
; X64-NOT: lock
; X64: movq
; X32: lock
; X32: cmpxchg8b
ret void
; X64: ret
; X32: ret
}
define void @atomic_fetch_swap64(i64 %x) nounwind {
%t1 = atomicrmw xchg i64* @sc64, i64 %x acquire
; X64-NOT: lock
; X64: xchgq
; X32: lock
; X32: xchg8b
ret void
; X64: ret
; X32: ret
}
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