| ; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s |
| |
| ; CHECK-LABEL: atomic_swap8 |
| ; CHECK: call __sync_lock_test_and_set_1 |
| define i8 @atomic_swap8(i8* %foo) { |
| %val = atomicrmw xchg i8* %foo, i8 13 seq_cst |
| ret i8 %val |
| } |
| |
| ; CHECK-LABEL: atomic_swap16 |
| ; CHECK: call __sync_lock_test_and_set_2 |
| define i16 @atomic_swap16(i16* %foo) { |
| %val = atomicrmw xchg i16* %foo, i16 13 seq_cst |
| ret i16 %val |
| } |
| |
| ; CHECK-LABEL: atomic_swap32 |
| ; CHECK: call __sync_lock_test_and_set_4 |
| define i32 @atomic_swap32(i32* %foo) { |
| %val = atomicrmw xchg i32* %foo, i32 13 seq_cst |
| ret i32 %val |
| } |
| |
| ; CHECK-LABEL: atomic_swap64 |
| ; CHECK: call __sync_lock_test_and_set_8 |
| define i64 @atomic_swap64(i64* %foo) { |
| %val = atomicrmw xchg i64* %foo, i64 13 seq_cst |
| ret i64 %val |
| } |
| |