forked from OSchip/llvm-project
38 lines
949 B
LLVM
38 lines
949 B
LLVM
; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s
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; CHECK-LABEL: atomic_store8
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; CHECK: in r0, 63
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; CHECK-NEXT: cli
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; CHECK-NEXT: st [[RD:(X|Y|Z)]], [[RR:r[0-9]+]]
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; CHECK-NEXT: out 63, r0
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define void @atomic_store8(i8* %foo) {
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store atomic i8 1, i8* %foo unordered, align 1
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ret void
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}
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; CHECK-LABEL: atomic_store16
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; CHECK: in r0, 63
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; CHECK-NEXT: cli
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; CHECK-NEXT: st [[RD:(X|Y|Z)]], [[RR:r[0-9]+]]
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; CHECK-NEXT: std [[RD]]+1, [[RR:r[0-9]+]]
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; CHECK-NEXT: out 63, r0
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define void @atomic_store16(i16* %foo) {
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store atomic i16 1, i16* %foo unordered, align 2
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ret void
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}
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; CHECK-LABEL: atomic_store32
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; CHECK: call __sync_lock_test_and_set_4
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define void @atomic_store32(i32* %foo) {
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store atomic i32 1, i32* %foo unordered, align 4
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ret void
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}
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; CHECK-LABEL: atomic_store64
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; CHECK: call __sync_lock_test_and_set_8
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define void @atomic_store64(i64* %foo) {
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store atomic i64 1, i64* %foo unordered, align 8
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ret void
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}
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