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