1; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s 2 3; CHECK-LABEL: atomic_swap8 4; CHECK: call __sync_lock_test_and_set_1 5define i8 @atomic_swap8(i8* %foo) { 6 %val = atomicrmw xchg i8* %foo, i8 13 seq_cst 7 ret i8 %val 8} 9 10; CHECK-LABEL: atomic_swap16 11; CHECK: call __sync_lock_test_and_set_2 12define i16 @atomic_swap16(i16* %foo) { 13 %val = atomicrmw xchg i16* %foo, i16 13 seq_cst 14 ret i16 %val 15} 16 17; CHECK-LABEL: atomic_swap32 18; CHECK: call __sync_lock_test_and_set_4 19define i32 @atomic_swap32(i32* %foo) { 20 %val = atomicrmw xchg i32* %foo, i32 13 seq_cst 21 ret i32 %val 22} 23 24; CHECK-LABEL: atomic_swap64 25; CHECK: call __sync_lock_test_and_set_8 26define i64 @atomic_swap64(i64* %foo) { 27 %val = atomicrmw xchg i64* %foo, i64 13 seq_cst 28 ret i64 %val 29} 30 31