forked from OSchip/llvm-project
95 lines
2.8 KiB
Plaintext
95 lines
2.8 KiB
Plaintext
// REQUIRES: x86-registered-target
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// REQUIRES: amdgpu-registered-target
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// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device \
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// RUN: -emit-llvm -o - -x hip %s | FileCheck \
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// RUN: -check-prefixes=DEV %s
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// RUN: %clang_cc1 -triple x86_64-gnu-linux \
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// RUN: -emit-llvm -o - -x hip %s | FileCheck \
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// RUN: -check-prefixes=HOST %s
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#include "Inputs/cuda.h"
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// Test function scope static device variable, which should not be externalized.
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// DEV-DAG: @_ZZ6kernelPiPPKiE1w = internal addrspace(4) constant i32 1
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// Check a static device variable referenced by host function is externalized.
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// DEV-DAG: @_ZL1x = addrspace(1) externally_initialized global i32 0
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// HOST-DAG: @_ZL1x = internal global i32 undef
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// HOST-DAG: @[[DEVNAMEX:[0-9]+]] = {{.*}}c"_ZL1x\00"
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static __device__ int x;
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// Check a static device variables referenced only by device functions and kernels
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// is not externalized.
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// DEV-DAG: @_ZL2x2 = internal addrspace(1) global i32 0
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static __device__ int x2;
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// Check a static device variable referenced by host device function is externalized.
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// DEV-DAG: @_ZL2x3 = addrspace(1) externally_initialized global i32 0
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static __device__ int x3;
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// Check a static device variable referenced in file scope is externalized.
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// DEV-DAG: @_ZL2x4 = addrspace(1) externally_initialized global i32 0
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static __device__ int x4;
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int& x4_ref = x4;
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// Check a static device variable in anonymous namespace.
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// DEV-DAG: @_ZN12_GLOBAL__N_12x5E = addrspace(1) externally_initialized global i32 0
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namespace {
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static __device__ int x5;
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}
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// Check a static constant variable referenced by host is externalized.
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// DEV-DAG: @_ZL1y = addrspace(4) externally_initialized global i32 0
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// HOST-DAG: @_ZL1y = internal global i32 undef
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// HOST-DAG: @[[DEVNAMEY:[0-9]+]] = {{.*}}c"_ZL1y\00"
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static __constant__ int y;
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// Test static host variable, which should not be externalized nor registered.
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// HOST-DAG: @_ZL1z = internal global i32 0
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// DEV-NOT: @_ZL1z
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static int z;
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// Test static device variable in inline function, which should not be
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// externalized nor registered.
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// DEV-DAG: @_ZZ6devfunPPKiE1p = linkonce_odr addrspace(4) constant i32 2, comdat
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inline __device__ void devfun(const int ** b) {
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const static int p = 2;
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b[0] = &p;
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b[1] = &x2;
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}
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__global__ void kernel(int *a, const int **b) {
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const static int w = 1;
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a[0] = x;
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a[1] = y;
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a[2] = x2;
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a[3] = x3;
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a[4] = x4;
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a[5] = x5;
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b[0] = &w;
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devfun(b);
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}
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__host__ __device__ void hdf(int *a) {
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a[0] = x3;
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}
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int* getDeviceSymbol(int *x);
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void foo(int *a) {
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getDeviceSymbol(&x);
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getDeviceSymbol(&x5);
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getDeviceSymbol(&y);
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z = 123;
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}
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// HOST: __hipRegisterVar({{.*}}@_ZL1x {{.*}}@[[DEVNAMEX]]
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// HOST: __hipRegisterVar({{.*}}@_ZL1y {{.*}}@[[DEVNAMEY]]
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// HOST-NOT: __hipRegisterVar({{.*}}@_ZZ6kernelPiPPKiE1w
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// HOST-NOT: __hipRegisterVar({{.*}}@_ZZ6devfunPPKiE1p
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