1 // RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -std=c++11 \
2 // RUN: -emit-llvm -o - -x hip %s | FileCheck \
3 // RUN: -check-prefixes=COMMON,DEV,NORDC-D %s
5 // RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -std=c++11 \
6 // RUN: -emit-llvm -fgpu-rdc -cuid=abc -o - -x hip %s > %t.dev
7 // RUN: cat %t.dev | FileCheck -check-prefixes=COMMON,DEV,RDC-D %s
9 // RUN: %clang_cc1 -triple x86_64-gnu-linux -std=c++11 \
10 // RUN: -emit-llvm -o - -x hip %s | FileCheck \
11 // RUN: -check-prefixes=COMMON,HOST,NORDC %s
13 // RUN: %clang_cc1 -triple x86_64-gnu-linux -std=c++11 \
14 // RUN: -emit-llvm -fgpu-rdc -cuid=abc -o - -x hip %s > %t.host
15 // RUN: cat %t.host | FileCheck -check-prefixes=COMMON,HOST,RDC %s
17 // Check device and host compilation use the same postfix for static
20 // RUN: cat %t.dev %t.host | FileCheck -check-prefix=POSTFIX %s
22 #include "Inputs/cuda.h"
28 // DEV-DAG: @x.managed = addrspace(1) externally_initialized global i32 1, align 4
29 // DEV-DAG: @x = addrspace(1) externally_initialized global ptr addrspace(1) null
30 // NORDC-DAG: @x.managed = internal global i32 1
31 // RDC-DAG: @x.managed = global i32 1
32 // NORDC-DAG: @x = internal externally_initialized global ptr null
33 // RDC-DAG: @x = externally_initialized global ptr null
34 // HOST-DAG: @[[DEVNAMEX:[0-9]+]] = {{.*}}c"x\00"
35 __managed__ int x = 1;
37 // DEV-DAG: @v.managed = addrspace(1) externally_initialized global [100 x %struct.vec] zeroinitializer, align 4
38 // DEV-DAG: @v = addrspace(1) externally_initialized global ptr addrspace(1) null
39 __managed__ vec v[100];
41 // DEV-DAG: @v2.managed = addrspace(1) externally_initialized global <{ %struct.vec, [99 x %struct.vec] }> <{ %struct.vec { float 1.000000e+00, float 1.000000e+00, float 1.000000e+00 }, [99 x %struct.vec] zeroinitializer }>, align 4
42 // DEV-DAG: @v2 = addrspace(1) externally_initialized global ptr addrspace(1) null
43 __managed__ vec v2[100] = {{1, 1, 1}};
45 // DEV-DAG: @ex.managed = external addrspace(1) global i32, align 4
46 // DEV-DAG: @ex = external addrspace(1) externally_initialized global ptr addrspace(1)
47 // HOST-DAG: @ex.managed = external global i32
48 // HOST-DAG: @ex = external externally_initialized global ptr
49 extern __managed__ int ex;
51 // NORDC-D-DAG: @_ZL2sx.managed = addrspace(1) externally_initialized global i32 1, align 4
52 // NORDC-D-DAG: @_ZL2sx = addrspace(1) externally_initialized global ptr addrspace(1) null
53 // RDC-D-DAG: @_ZL2sx.static.[[HASH:.*]].managed = addrspace(1) externally_initialized global i32 1, align 4
54 // RDC-D-DAG: @_ZL2sx.static.[[HASH]] = addrspace(1) externally_initialized global ptr addrspace(1) null
55 // HOST-DAG: @_ZL2sx.managed = internal global i32 1
56 // HOST-DAG: @_ZL2sx = internal externally_initialized global ptr null
57 // NORDC-DAG: @[[DEVNAMESX:[0-9]+]] = {{.*}}c"_ZL2sx\00"
58 // RDC-DAG: @[[DEVNAMESX:[0-9]+]] = {{.*}}c"_ZL2sx.static.[[HASH:.*]]\00"
60 // POSTFIX: @_ZL2sx.static.[[HASH:.*]] = addrspace(1) externally_initialized global ptr addrspace(1) null
61 // POSTFIX: @[[DEVNAMESX:[0-9]+]] = {{.*}}c"_ZL2sx.static.[[HASH]]\00"
62 static __managed__ int sx = 1;
64 // DEV-DAG: @llvm.compiler.used
65 // DEV-SAME-DAG: @x.managed
67 // DEV-SAME-DAG: @v.managed
69 // DEV-SAME-DAG: @_ZL2sx.managed
70 // DEV-SAME-DAG: @_ZL2sx
72 // Force ex and sx mitted in device compilation.
73 __global__ void foo(int *z) {
78 // Force ex and sx emitted in host compilatioin.
83 // COMMON-LABEL: define {{.*}}@_Z4loadv()
84 // DEV: %ld.managed = load ptr addrspace(1), ptr addrspace(1) @x, align 4
85 // DEV: %0 = addrspacecast ptr addrspace(1) %ld.managed to ptr
86 // DEV: %1 = load i32, ptr %0, align 4
88 // HOST: %ld.managed = load ptr, ptr @x, align 4
89 // HOST: %0 = load i32, ptr %ld.managed, align 4
91 __device__ __host__ int load() {
95 // COMMON-LABEL: define {{.*}}@_Z5storev()
96 // DEV: %ld.managed = load ptr addrspace(1), ptr addrspace(1) @x, align 4
97 // DEV: %0 = addrspacecast ptr addrspace(1) %ld.managed to ptr
98 // DEV: store i32 2, ptr %0, align 4
99 // HOST: %ld.managed = load ptr, ptr @x, align 4
100 // HOST: store i32 2, ptr %ld.managed, align 4
101 __device__ __host__ void store() {
105 // COMMON-LABEL: define {{.*}}@_Z10addr_takenv()
106 // DEV: %0 = addrspacecast ptr addrspace(1) %ld.managed to ptr
107 // DEV: store ptr %0, ptr %p.ascast, align 8
108 // DEV: %1 = load ptr, ptr %p.ascast, align 8
109 // DEV: store i32 3, ptr %1, align 4
110 // HOST: %ld.managed = load ptr, ptr @x, align 4
111 // HOST: store ptr %ld.managed, ptr %p, align 8
112 // HOST: %0 = load ptr, ptr %p, align 8
113 // HOST: store i32 3, ptr %0, align 4
114 __device__ __host__ void addr_taken() {
119 // HOST-LABEL: define {{.*}}@_Z5load2v()
120 // HOST: %ld.managed = load ptr, ptr @v, align 16
121 // HOST: %0 = getelementptr inbounds [100 x %struct.vec], ptr %ld.managed, i64 0, i64 1
122 // HOST: %1 = load float, ptr %0, align 4
123 // HOST: ret float %1
124 __device__ __host__ float load2() {
128 // HOST-LABEL: define {{.*}}@_Z5load3v()
129 // HOST: %ld.managed = load ptr, ptr @v2, align 16
130 // HOST: %0 = getelementptr inbounds [100 x %struct.vec], ptr %ld.managed, i64 0, i64 1
131 // HOST: %1 = getelementptr inbounds nuw %struct.vec, ptr %0, i32 0, i32 1
132 // HOST: %2 = load float, ptr %1, align 4
133 // HOST: ret float %2
138 // HOST-LABEL: define {{.*}}@_Z11addr_taken2v()
139 // HOST: %ld.managed = load ptr, ptr @v, align 16
140 // HOST: %0 = getelementptr inbounds [100 x %struct.vec], ptr %ld.managed, i64 0, i64 1
141 // HOST: %1 = ptrtoint ptr %0 to i64
142 // HOST: %ld.managed1 = load ptr, ptr @v2, align 16
143 // HOST: %2 = getelementptr inbounds [100 x %struct.vec], ptr %ld.managed1, i64 0, i64 1
144 // HOST: %3 = getelementptr inbounds nuw %struct.vec, ptr %2, i32 0, i32 1
145 // HOST: %4 = ptrtoint ptr %3 to i64
146 // HOST: %5 = sub i64 %4, %1
147 // HOST: %sub.ptr.div = sdiv exact i64 %5, 4
148 // HOST: %conv = sitofp i64 %sub.ptr.div to float
149 // HOST: ret float %conv
150 float addr_taken2() {
151 return (float)reinterpret_cast<long>(&(v2[1].y)-&(v[1].x));
154 // COMMON-LABEL: define {{.*}}@_Z5load4v()
155 // DEV: %ld.managed = load ptr addrspace(1), ptr addrspace(1) @ex, align 4
156 // DEV: %0 = addrspacecast ptr addrspace(1) %ld.managed to ptr
157 // DEV: %1 = load i32, ptr %0, align 4
159 // HOST: %ld.managed = load ptr, ptr @ex, align 4
160 // HOST: %0 = load i32, ptr %ld.managed, align 4
162 __device__ __host__ int load4() {
166 // HOST-DAG: __hipRegisterManagedVar({{.*}}, ptr @x, ptr @x.managed, ptr @[[DEVNAMEX]], i64 4, i32 4)
167 // HOST-DAG: __hipRegisterManagedVar({{.*}}, ptr @_ZL2sx, ptr @_ZL2sx.managed, ptr @[[DEVNAMESX]]
168 // HOST-NOT: __hipRegisterManagedVar({{.*}}, ptr @ex, ptr @ex.managed
169 // HOST-DAG: declare void @__hipRegisterManagedVar(ptr, ptr, ptr, ptr, i64, i32)