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32 lines
1.4 KiB
LLVM
32 lines
1.4 KiB
LLVM
; RUN: opt < %s | opt -S | FileCheck %s
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; RUN: verify-uselistorder %s
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; Basic smoke test for atomic operations.
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define void @f(i32* %x) {
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; CHECK: load atomic i32* %x unordered, align 4
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load atomic i32* %x unordered, align 4
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; CHECK: load atomic volatile i32* %x singlethread acquire, align 4
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load atomic volatile i32* %x singlethread acquire, align 4
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; CHECK: store atomic i32 3, i32* %x release, align 4
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store atomic i32 3, i32* %x release, align 4
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; CHECK: store atomic volatile i32 3, i32* %x singlethread monotonic, align 4
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store atomic volatile i32 3, i32* %x singlethread monotonic, align 4
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; CHECK: cmpxchg i32* %x, i32 1, i32 0 singlethread monotonic monotonic
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cmpxchg i32* %x, i32 1, i32 0 singlethread monotonic monotonic
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; CHECK: cmpxchg volatile i32* %x, i32 0, i32 1 acq_rel acquire
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cmpxchg volatile i32* %x, i32 0, i32 1 acq_rel acquire
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; CHECK: cmpxchg i32* %x, i32 42, i32 0 acq_rel monotonic
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cmpxchg i32* %x, i32 42, i32 0 acq_rel monotonic
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; CHECK: cmpxchg weak i32* %x, i32 13, i32 0 seq_cst monotonic
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cmpxchg weak i32* %x, i32 13, i32 0 seq_cst monotonic
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; CHECK: atomicrmw add i32* %x, i32 10 seq_cst
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atomicrmw add i32* %x, i32 10 seq_cst
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; CHECK: atomicrmw volatile xchg i32* %x, i32 10 monotonic
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atomicrmw volatile xchg i32* %x, i32 10 monotonic
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; CHECK: fence singlethread release
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fence singlethread release
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; CHECK: fence seq_cst
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fence seq_cst
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ret void
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}
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