File: store.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s

; CHECK-LABEL: atomic_store8
; CHECK:      in r0, 63
; CHECK-NEXT: cli
; CHECK-NEXT: st [[RD:(X|Y|Z)]], [[RR:r[0-9]+]]
; CHECK-NEXT: out 63, r0
define void @atomic_store8(i8* %foo) {
  store atomic i8 1, i8* %foo unordered, align 1
  ret void
}

; CHECK-LABEL: atomic_store16
; CHECK:      in r0, 63
; CHECK-NEXT: cli
; CHECK-NEXT: st [[RD:(X|Y|Z)]], [[RR:r[0-9]+]]
; CHECK-NEXT: std [[RD]]+1, [[RR:r[0-9]+]]
; CHECK-NEXT: out 63, r0
define void @atomic_store16(i16* %foo) {
  store atomic i16 1, i16* %foo unordered, align 2
  ret void
}

; CHECK-LABEL: atomic_store32
; CHECK: call __sync_lock_test_and_set_4
define void @atomic_store32(i32* %foo) {
  store atomic i32 1, i32* %foo unordered, align 4
  ret void
}

; CHECK-LABEL: atomic_store64
; CHECK: call __sync_lock_test_and_set_8
define void @atomic_store64(i64* %foo) {
  store atomic i64 1, i64* %foo unordered, align 8
  ret void
}