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52 lines
2.5 KiB
LLVM
52 lines
2.5 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, i32* %x unordered, align 4
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load atomic i32, i32* %x unordered, align 4
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; CHECK: load atomic volatile i32, i32* %x syncscope("singlethread") acquire, align 4
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load atomic volatile i32, i32* %x syncscope("singlethread") acquire, align 4
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; CHECK: load atomic volatile i32, i32* %x syncscope("agent") acquire, align 4
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load atomic volatile i32, i32* %x syncscope("agent") 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 syncscope("singlethread") monotonic, align 4
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store atomic volatile i32 3, i32* %x syncscope("singlethread") monotonic, align 4
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; CHECK: store atomic volatile i32 3, i32* %x syncscope("workgroup") monotonic, align 4
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store atomic volatile i32 3, i32* %x syncscope("workgroup") monotonic, align 4
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; CHECK: cmpxchg i32* %x, i32 1, i32 0 syncscope("singlethread") monotonic monotonic
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cmpxchg i32* %x, i32 1, i32 0 syncscope("singlethread") monotonic monotonic
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; CHECK: cmpxchg i32* %x, i32 1, i32 0 syncscope("workitem") monotonic monotonic
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cmpxchg i32* %x, i32 1, i32 0 syncscope("workitem") 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: atomicrmw volatile xchg i32* %x, i32 10 syncscope("agent") monotonic
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atomicrmw volatile xchg i32* %x, i32 10 syncscope("agent") monotonic
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; CHECK: fence syncscope("singlethread") release
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fence syncscope("singlethread") release
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; CHECK: fence seq_cst
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fence seq_cst
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; CHECK: fence syncscope("device") seq_cst
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fence syncscope("device") seq_cst
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ret void
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}
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define void @fp_atomics(float* %x) {
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; CHECK: atomicrmw fadd float* %x, float 1.000000e+00 seq_cst
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atomicrmw fadd float* %x, float 1.0 seq_cst
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; CHECK: atomicrmw volatile fadd float* %x, float 1.000000e+00 seq_cst
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atomicrmw volatile fadd float* %x, float 1.0 seq_cst
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ret void
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}
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