derek.holloway
7502bf64a4
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17 lines
594 B
Plaintext
17 lines
594 B
Plaintext
// RUN: %clang_cc1 %s -triple=amdgcn-amd-amdhsa -fcuda-is-device \
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// RUN: -target-cpu gfx90a -Rpass=atomic-expand -S -o - 2>&1 | \
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// RUN: FileCheck %s --check-prefix=GFX90A-CAS
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// REQUIRES: amdgpu-registered-target
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#include "Inputs/cuda.h"
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#include <stdatomic.h>
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// GFX90A-CAS: A compare and swap loop was generated for an atomic fadd operation at system memory scope
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// GFX90A-CAS-LABEL: _Z14atomic_add_casPf
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// GFX90A-CAS: flat_atomic_cmpswap
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// GFX90A-CAS: s_cbranch_execnz
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__device__ float atomic_add_cas(float *p) {
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return __atomic_fetch_add(p, 1.0f, memory_order_relaxed);
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}
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