; RUN: llc -mattr=avr6 < %s -mtriple=avr | FileCheck %s ; Tests atomic operations on AVR ; CHECK-LABEL: atomic_load8 ; CHECK: in r0, 63 ; CHECK-NEXT: cli ; CHECK-NEXT: ld [[RR:r[0-9]+]], [[RD:(X|Y|Z)]] ; CHECK-NEXT: out 63, r0 define i8 @atomic_load8(ptr %foo) { %val = load atomic i8, ptr %foo unordered, align 1 ret i8 %val } ; CHECK-LABEL: atomic_load_swap8 ; CHECK: call __sync_lock_test_and_set_1 define i8 @atomic_load_swap8(ptr %foo) { %val = atomicrmw xchg ptr %foo, i8 13 seq_cst ret i8 %val } ; CHECK-LABEL: atomic_load_cmp_swap8 ; CHECK: call __sync_val_compare_and_swap_1 define i8 @atomic_load_cmp_swap8(ptr %foo) { %val = cmpxchg ptr %foo, i8 5, i8 10 acq_rel monotonic %value_loaded = extractvalue { i8, i1 } %val, 0 ret i8 %value_loaded } ; CHECK-LABEL: atomic_load_add8 ; CHECK: in r0, 63 ; CHECK-NEXT: cli ; CHECK-NEXT: ld [[RD:r[0-9]+]], [[RR:(X|Y|Z)]] ; CHECK-NEXT: add [[RR1:r[0-9]+]], [[RD]] ; CHECK-NEXT: st [[RR]], [[RR1]] ; CHECK-NEXT: out 63, r0 define i8 @atomic_load_add8(ptr %foo) { %val = atomicrmw add ptr %foo, i8 13 seq_cst ret i8 %val } ; CHECK-LABEL: atomic_load_sub8 ; CHECK: in r0, 63 ; CHECK-NEXT: cli ; CHECK-NEXT: ld [[RD:r[0-9]+]], [[RR:(X|Y|Z)]] ; CHECK-NEXT: mov [[TMP:r[0-9]+]], [[RD]] ; CHECK-NEXT: sub [[TMP]], [[RR1:r[0-9]+]] ; CHECK-NEXT: st [[RR]], [[TMP]] ; CHECK-NEXT: out 63, r0 define i8 @atomic_load_sub8(ptr %foo) { %val = atomicrmw sub ptr %foo, i8 13 seq_cst ret i8 %val } ; CHECK-LABEL: atomic_load_and8 ; CHECK: in r0, 63 ; CHECK-NEXT: cli ; CHECK-NEXT: ld [[RD:r[0-9]+]], [[RR:(X|Y|Z)]] ; CHECK-NEXT: and [[RR1:r[0-9]+]], [[RD]] ; CHECK-NEXT: st [[RR]], [[RR1]] ; CHECK-NEXT: out 63, r0 define i8 @atomic_load_and8(ptr %foo) { %val = atomicrmw and ptr %foo, i8 13 seq_cst ret i8 %val } ; CHECK-LABEL: atomic_load_or8 ; CHECK: in r0, 63 ; CHECK-NEXT: cli ; CHECK-NEXT: ld [[RD:r[0-9]+]], [[RR:(X|Y|Z)]] ; CHECK-NEXT: or [[RR1:r[0-9]+]], [[RD]] ; CHECK-NEXT: st [[RR]], [[RR1]] ; CHECK-NEXT: out 63, r0 define i8 @atomic_load_or8(ptr %foo) { %val = atomicrmw or ptr %foo, i8 13 seq_cst ret i8 %val } ; CHECK-LABEL: atomic_load_xor8 ; CHECK: in r0, 63 ; CHECK-NEXT: cli ; CHECK-NEXT: ld [[RD:r[0-9]+]], [[RR:(X|Y|Z)]] ; CHECK-NEXT: eor [[RR1:r[0-9]+]], [[RD]] ; CHECK-NEXT: st [[RR]], [[RR1]] ; CHECK-NEXT: out 63, r0 define i8 @atomic_load_xor8(ptr %foo) { %val = atomicrmw xor ptr %foo, i8 13 seq_cst ret i8 %val } ; CHECK-LABEL: atomic_load_nand8 ; CHECK: call __sync_fetch_and_nand_1 define i8 @atomic_load_nand8(ptr %foo) { %val = atomicrmw nand ptr %foo, i8 13 seq_cst ret i8 %val } ; CHECK-LABEL: atomic_load_max8 ; CHECK: call __sync_fetch_and_max_1 define i8 @atomic_load_max8(ptr %foo) { %val = atomicrmw max ptr %foo, i8 13 seq_cst ret i8 %val } ; CHECK-LABEL: atomic_load_min8 ; CHECK: call __sync_fetch_and_min_1 define i8 @atomic_load_min8(ptr %foo) { %val = atomicrmw min ptr %foo, i8 13 seq_cst ret i8 %val } ; CHECK-LABEL: atomic_load_umax8 ; CHECK: call __sync_fetch_and_umax_1 define i8 @atomic_load_umax8(ptr %foo) { %val = atomicrmw umax ptr %foo, i8 13 seq_cst ret i8 %val } ; CHECK-LABEL: atomic_load_umin8 ; CHECK: call __sync_fetch_and_umin_1 define i8 @atomic_load_umin8(ptr %foo) { %val = atomicrmw umin ptr %foo, i8 13 seq_cst ret i8 %val }