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 5 define 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 12 define 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 19 define 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 26 define i64 @atomic_swap64(i64* %foo) { 27 %val = atomicrmw xchg i64* %foo, i64 13 seq_cst 28 ret i64 %val 29 } 30 31
