17 lines
416 B
LLVM
17 lines
416 B
LLVM
; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s
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; CHECK-LABEL: atomic_load64
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; CHECK: call __sync_val_compare_and_swap_8
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define i64 @atomic_load64(ptr %foo) {
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%val = load atomic i64, ptr %foo unordered, align 8
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ret i64 %val
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}
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; CHECK-LABEL: atomic_load_sub64
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; CHECK: call __sync_fetch_and_sub_8
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define i64 @atomic_load_sub64(ptr %foo) {
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%val = atomicrmw sub ptr %foo, i64 13 seq_cst
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ret i64 %val
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}
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