1 // RUN: %clang_cc1 -x hip -emit-llvm -std=c++11 %s -o - \
2 // RUN: -triple x86_64-linux-gnu \
3 // RUN: | FileCheck -check-prefix=HOST %s
4 // RUN: %clang_cc1 -x hip -emit-llvm -std=c++11 %s -o - \
5 // RUN: -triple amdgcn-amd-amdhsa -fcuda-is-device \
6 // RUN: | FileCheck -check-prefix=DEV %s
8 #include "Inputs/cuda.h"
10 // HOST: %[[T1:.*]] = type <{ ptr, i32, [4 x i8] }>
11 // HOST: %[[T2:.*]] = type { ptr, ptr }
12 // HOST: %[[T3:.*]] = type <{ ptr, i32, [4 x i8] }>
13 // DEV: %[[T1:.*]] = type { ptr }
14 // DEV: %[[T2:.*]] = type { ptr }
15 // DEV: %[[T3:.*]] = type <{ ptr, i32, [4 x i8] }>
17 __device__ int global_device_var;
20 __global__ void kern(F f) { f(); }
22 // DEV-LABEL: @_ZZ27dev_capture_dev_ref_by_copyPiENKUlvE_clEv(
23 // DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
24 // DEV: store i32 %[[VAL]]
25 __device__ void dev_capture_dev_ref_by_copy(int *out) {
26 int &ref = global_device_var;
27 [=](){ *out = ref;}();
30 // DEV-LABEL: @_ZZ28dev_capture_dev_rval_by_copyPiENKUlvE_clEv(
32 __device__ void dev_capture_dev_rval_by_copy(int *out) {
35 constexpr int c = a + b;
39 // DEV-LABEL: @_ZZ26dev_capture_dev_ref_by_refPiENKUlvE_clEv(
40 // DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
41 // DEV: %[[VAL2:.*]] = add nsw i32 %[[VAL]], 1
42 // DEV: store i32 %[[VAL2]], ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
43 // DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
44 // DEV: store i32 %[[VAL]]
45 __device__ void dev_capture_dev_ref_by_ref(int *out) {
46 int &ref = global_device_var;
47 [&](){ ref++; *out = ref;}();
50 // DEV-LABEL: define{{.*}} void @_Z7dev_refPi(
51 // DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
52 // DEV: %[[VAL2:.*]] = add nsw i32 %[[VAL]], 1
53 // DEV: store i32 %[[VAL2]], ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
54 // DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
55 // DEV: store i32 %[[VAL]]
56 __device__ void dev_ref(int *out) {
57 int &ref = global_device_var;
62 // DEV-LABEL: @_ZZ14dev_lambda_refPiENKUlvE_clEv(
63 // DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
64 // DEV: %[[VAL2:.*]] = add nsw i32 %[[VAL]], 1
65 // DEV: store i32 %[[VAL2]], ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
66 // DEV: %[[VAL:.*]] = load i32, ptr addrspacecast (ptr addrspace(1) @global_device_var to ptr)
67 // DEV: store i32 %[[VAL]]
68 __device__ void dev_lambda_ref(int *out) {
70 int &ref = global_device_var;
76 // HOST-LABEL: @_ZZ29host_capture_host_ref_by_copyPiENKUlvE_clEv(
77 // HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
78 // HOST: store i32 %[[VAL]]
79 void host_capture_host_ref_by_copy(int *out) {
80 int &ref = global_host_var;
81 [=](){ *out = ref;}();
84 // HOST-LABEL: @_ZZ28host_capture_host_ref_by_refPiENKUlvE_clEv(
85 // HOST: %[[CAP:.*]] = getelementptr inbounds %[[T2]], ptr %this1, i32 0, i32 0
86 // HOST: %[[REF:.*]] = load ptr, ptr %[[CAP]]
87 // HOST: %[[VAL:.*]] = load i32, ptr %[[REF]]
88 // HOST: %[[VAL2:.*]] = add nsw i32 %[[VAL]], 1
89 // HOST: store i32 %[[VAL2]], ptr %[[REF]]
90 // HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
91 // HOST: store i32 %[[VAL]]
92 void host_capture_host_ref_by_ref(int *out) {
93 int &ref = global_host_var;
94 [&](){ ref++; *out = ref;}();
97 // HOST-LABEL: define{{.*}} void @_Z8host_refPi(
98 // HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
99 // HOST: %[[VAL2:.*]] = add nsw i32 %[[VAL]], 1
100 // HOST: store i32 %[[VAL2]], ptr @global_host_var
101 // HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
102 // HOST: store i32 %[[VAL]]
103 void host_ref(int *out) {
104 int &ref = global_host_var;
109 // HOST-LABEL: @_ZZ15host_lambda_refPiENKUlvE_clEv(
110 // HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
111 // HOST: %[[VAL2:.*]] = add nsw i32 %[[VAL]], 1
112 // HOST: store i32 %[[VAL2]], ptr @global_host_var
113 // HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
114 // HOST: store i32 %[[VAL]]
115 void host_lambda_ref(int *out) {
117 int &ref = global_host_var;
123 // HOST-LABEL: define{{.*}} void @_Z28dev_capture_host_ref_by_copyPi(
124 // HOST: %[[CAP:.*]] = getelementptr inbounds %[[T3]], ptr %{{.*}}, i32 0, i32 1
125 // HOST: %[[VAL:.*]] = load i32, ptr @global_host_var
126 // HOST: store i32 %[[VAL]], ptr %[[CAP]]
127 // DEV-LABEL: define internal void @_ZZ28dev_capture_host_ref_by_copyPiENKUlvE_clEv(
128 // DEV: %[[CAP:.*]] = getelementptr inbounds %[[T3]], ptr %this1, i32 0, i32 1
129 // DEV: %[[VAL:.*]] = load i32, ptr %[[CAP]]
130 // DEV: store i32 %[[VAL]]
131 void dev_capture_host_ref_by_copy(int *out) {
132 int &ref = global_host_var;
133 kern<<<1, 1>>>([=]__device__() { *out = ref;});