derek.holloway
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33 lines
1014 B
Plaintext
33 lines
1014 B
Plaintext
// Make sure that __global__ functions are emitted along with correct
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// annotations and are added to @llvm.used to prevent their elimination.
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// REQUIRES: nvptx-registered-target
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//
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// RUN: %clang_cc1 %s -triple nvptx-unknown-unknown -fcuda-is-device -emit-llvm -o - | FileCheck %s
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#include "Inputs/cuda.h"
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// CHECK-LABEL: define{{.*}} void @device_function
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extern "C"
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__device__ void device_function() {}
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// CHECK-LABEL: define{{.*}} ptx_kernel void @global_function
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extern "C"
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__global__ void global_function() {
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// CHECK: call void @device_function
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device_function();
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}
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// Make sure host-instantiated kernels are preserved on device side.
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template <typename T> __global__ void templated_kernel(T param) {}
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// CHECK-DAG: define{{.*}} ptx_kernel void @_Z16templated_kernelIiEvT_(
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namespace {
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__global__ void anonymous_ns_kernel() {}
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// CHECK-DAG: define{{.*}} void @_ZN12_GLOBAL__N_119anonymous_ns_kernelEv(
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}
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void host_function() {
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templated_kernel<<<0, 0>>>(0);
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anonymous_ns_kernel<<<0,0>>>();
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}
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