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TheRock/compiler/amd-llvm/clang/test/CodeGenCUDA/builtins-unsafe-atomics-gfx90a.cu
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2026-09-02 16:34:47 -07:00

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// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -target-cpu gfx90a -x hip \
// RUN: -aux-triple x86_64-unknown-linux-gnu -fcuda-is-device -emit-llvm %s \
// RUN: -o - | FileCheck %s
#define __device__ __attribute__((device))
typedef __attribute__((address_space(3))) float *LP;
// CHECK-LABEL: test_ds_atomic_add_f32
// CHECK: %[[ADDR_ADDR:.*]] = alloca ptr, align 8, addrspace(5)
// CHECK: %[[ADDR_ADDR_ASCAST_PTR:.*]] = addrspacecast ptr addrspace(5) %[[ADDR_ADDR]] to ptr
// CHECK: store ptr %addr, ptr %[[ADDR_ADDR_ASCAST_PTR]], align 8
// CHECK: %[[ADDR_ADDR_ASCAST:.*]] = load ptr, ptr %[[ADDR_ADDR_ASCAST_PTR]], align 8
// CHECK: %[[AS_CAST:.*]] = addrspacecast ptr %[[ADDR_ADDR_ASCAST]] to ptr addrspace(3)
// CHECK: [[TMP2:%.+]] = load float, ptr %val.addr.ascast, align 4
// CHECK: [[TMP3:%.+]] = atomicrmw fadd ptr addrspace(3) %[[AS_CAST]], float [[TMP2]] monotonic, align 4
// CHECK: %4 = load ptr, ptr %rtn.ascast, align 8
// CHECK: store float [[TMP3]], ptr %4, align 4
__device__ void test_ds_atomic_add_f32(float *addr, float val) {
float *rtn;
*rtn = __builtin_amdgcn_ds_faddf((LP)addr, val, 0, 0, 0);
}