1 // Only test codegen on target side, as private clause does not require any action on the host side
2 // Test target codegen - host bc file has to be created first.
3 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm-bc %s -o %t-ppc-host.bc
4 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix TCHECK --check-prefix TCHECK-64
5 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -emit-pch -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o %t %s
6 // RUN: %clang_cc1 -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=powerpc64le-ibm-linux-gnu -std=c++11 -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix TCHECK --check-prefix TCHECK-64
7 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-llvm-bc %s -o %t-x86-host.bc
8 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s --check-prefix TCHECK --check-prefix TCHECK-32
9 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -emit-pch -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -o %t %s
10 // RUN: %clang_cc1 -fopenmp -x c++ -triple i386-unknown-unknown -fopenmp-targets=i386-pc-linux-gnu -std=c++11 -fopenmp-is-device -fopenmp-host-ir-file-path %t-x86-host.bc -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix TCHECK --check-prefix TCHECK-32
11 
12 // expected-no-diagnostics
13 #ifndef HEADER
14 #define HEADER
15 
16 template<typename tx, typename ty>
17 struct TT{
18   tx X;
19   ty Y;
20   TT<tx, ty> operator*(const TT<tx, ty> &) { return *this; }
21 };
22 
23 // TCHECK: [[S1:%.+]] = type { double }
24 
25 int foo(int n) {
26   int a = 0;
27   short aa = 0;
28   float b[10];
29   float bn[n];
30   double c[5][10];
31   double cn[5][n];
32   TT<long long, char> d;
33 
34   #pragma omp target reduction(*:a)
35   {
36   }
37 
38   // TCHECK: define void @__omp_offloading_{{.+}}(i32*{{.+}} %{{.+}})
39   // TCHECK: [[A:%.+]] = alloca i{{[0-9]+}}*,
40   // TCHECK: store {{.+}}, {{.+}} [[A]],
41   // TCHECK: load i32*, i32** [[A]],
42   // TCHECK: ret void
43 
44 #pragma omp target reduction(+:a)
45   {
46     a = 1;
47   }
48 
49   // TCHECK:  define void @__omp_offloading_{{.+}}(i32*{{.+}} %{{.+}})
50   // TCHECK: [[A:%.+]] = alloca i{{[0-9]+}}*,
51   // TCHECK: store {{.+}}, {{.+}} [[A]],
52   // TCHECK: [[REF:%.+]] = load i32*, i32** [[A]],
53   // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[REF]],
54   // TCHECK: ret void
55 
56   #pragma omp target reduction(-:a, aa)
57   {
58     a = 1;
59     aa = 1;
60   }
61 
62   // TCHECK:  define void @__omp_offloading_{{.+}}(i32*{{.+}} [[A:%.+]], i16*{{.+}} [[AA:%.+]])
63   // TCHECK:  [[A:%.+]] = alloca i{{[0-9]+}}*,
64   // TCHECK:  [[AA:%.+]] = alloca i{{[0-9]+}}*,
65   // TCHECK: store {{.+}}, {{.+}} [[A]],
66   // TCHECK: store {{.+}}, {{.+}} [[AA]],
67   // TCHECK: [[A_REF:%.+]] = load i32*, i32** [[A]],
68   // TCHECK: [[AA_REF:%.+]] = load i16*, i16** [[AA]],
69   // TCHECK:  store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A_REF]],
70   // TCHECK:  store i{{[0-9]+}} 1, i{{[0-9]+}}* [[AA_REF]],
71   // TCHECK:  ret void
72 
73   return a;
74 }
75 
76 
77 template<typename tx>
78 tx ftemplate(int n) {
79   tx a = 0;
80   short aa = 0;
81   tx b[10];
82 
83 #pragma omp target reduction(+:a,aa,b)
84   {
85     a = 1;
86     aa = 1;
87     b[2] = 1;
88   }
89 
90   return a;
91 }
92 
93 static
94 int fstatic(int n) {
95   int a = 0;
96   short aa = 0;
97   char aaa = 0;
98   int b[10];
99 
100 #pragma omp target reduction(-:a,aa,aaa,b)
101   {
102     a = 1;
103     aa = 1;
104     aaa = 1;
105     b[2] = 1;
106   }
107 
108   return a;
109 }
110 
111 // TCHECK: define void @__omp_offloading_{{.+}}(i32*{{.+}}, i16*{{.+}}, i8*{{.+}}, [10 x i32]*{{.+}})
112 // TCHECK:  [[A:%.+]] = alloca i{{[0-9]+}}*,
113 // TCHECK:  [[A2:%.+]] = alloca i{{[0-9]+}}*,
114 // TCHECK:  [[A3:%.+]] = alloca i{{[0-9]+}}*,
115 // TCHECK:  [[B:%.+]] = alloca [10 x i{{[0-9]+}}]*,
116 // TCHECK: store {{.+}}, {{.+}} [[A]],
117 // TCHECK: store {{.+}}, {{.+}} [[A2]],
118 // TCHECK: store {{.+}}, {{.+}} [[A3]],
119 // TCHECK: store {{.+}}, {{.+}} [[B]],
120 // TCHECK: [[A_REF:%.+]] = load i32*, i32** [[A]],
121 // TCHECK: [[AA_REF:%.+]] = load i16*, i16** [[AA]],
122 // TCHECK: [[A3_REF:%.+]] = load i8*, i8** [[A3]],
123 // TCHECK: [[B_REF:%.+]] = load {{.+}}*, {{.+}}** [[B]],
124 // TCHECK:  store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A_REF]],
125 // TCHECK:  store i{{[0-9]+}} 1, i{{[0-9]+}}* [[AA_REF]],
126 // TCHECK:  store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A3_REF]],
127 // TCHECK:  [[B_GEP:%.+]] = getelementptr inbounds [10 x i{{[0-9]+}}], [10 x i{{[0-9]+}}]* [[B_REF]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
128 // TCHECK:  store i{{[0-9]+}} 1, i{{[0-9]+}}* [[B_GEP]],
129 // TCHECK:  ret void
130 
131 struct S1 {
132   double a;
133 
134   int r1(int n){
135     int b = n+1;
136     short int c[2][n];
137 
138 #pragma omp target reduction(max:b,c)
139     {
140       this->a = (double)b + 1.5;
141       c[1][1] = ++a;
142     }
143 
144     return c[1][1] + (int)b;
145   }
146 
147   // TCHECK: define void @__omp_offloading_{{.+}}([[S1]]* [[TH:%.+]], i32*{{.+}}, i{{[0-9]+}} [[VLA:%.+]], i{{[0-9]+}} [[VLA1:%.+]], i16*{{.+}})
148   // TCHECK: [[TH_ADDR:%.+]] = alloca [[S1]]*,
149   // TCHECK: [[B_ADDR:%.+]] = alloca i{{[0-9]+}}*,
150   // TCHECK: [[VLA_ADDR:%.+]] = alloca i{{[0-9]+}},
151   // TCHECK: [[VLA_ADDR2:%.+]] = alloca i{{[0-9]+}},
152   // TCHECK: [[C_ADDR:%.+]] = alloca i{{[0-9]+}}*,
153   // TCHECK: store [[S1]]* [[TH]], [[S1]]** [[TH_ADDR]],
154   // TCHECK: store i{{[0-9]+}}* {{.+}}, i{{[0-9]+}}** [[B_ADDR]],
155   // TCHECK: store i{{[0-9]+}} [[VLA]], i{{[0-9]+}}* [[VLA_ADDR]],
156   // TCHECK: store i{{[0-9]+}} [[VLA1]], i{{[0-9]+}}* [[VLA_ADDR2]],
157   // TCHECK: store i{{[0-9]+}}* {{.+}}, i{{[0-9]+}}** [[C_ADDR]],
158   // TCHECK: [[TH_ADDR_REF:%.+]] = load [[S1]]*, [[S1]]** [[TH_ADDR]],
159   // TCHECK: [[B_REF:%.+]] = load i{{[0-9]+}}*, i{{[0-9]+}}** [[B_ADDR]],
160   // TCHECK: [[VLA_ADDR_REF:%.+]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[VLA_ADDR]],
161   // TCHECK: [[VLA_ADDR_REF2:%.+]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[VLA_ADDR2]],
162   // TCHECK: [[C_REF:%.+]] = load i{{[0-9]+}}*, i{{[0-9]+}}** [[C_ADDR]],
163 
164   // this->a = (double)b + 1.5;
165   // TCHECK: [[B_VAL:%.+]] = load i{{[0-9]+}}, i{{[0-9]+}}* [[B_REF]],
166   // TCHECK: [[B_CONV:%.+]] = sitofp i{{[0-9]+}} [[B_VAL]] to double
167   // TCHECK: [[NEW_A_VAL:%.+]] = fadd double [[B_CONV]], 1.5{{.+}}+00
168   // TCHECK: [[A_FIELD:%.+]] = getelementptr inbounds [[S1]], [[S1]]* [[TH_ADDR_REF]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
169   // TCHECK: store double [[NEW_A_VAL]], double* [[A_FIELD]],
170 
171   // c[1][1] = ++a;
172   // TCHECK: [[A_FIELD4:%.+]] = getelementptr inbounds [[S1]], [[S1]]* [[TH_ADDR_REF]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
173   // TCHECK: [[A_FIELD4_VAL:%.+]] = load double, double* [[A_FIELD4]],
174   // TCHECK: [[A_FIELD_INC:%.+]] = fadd double [[A_FIELD4_VAL]], 1.0{{.+}}+00
175   // TCHECK: store double [[A_FIELD_INC]], double* [[A_FIELD4]],
176   // TCHECK: [[A_FIELD_INC_CONV:%.+]] = fptosi double [[A_FIELD_INC]] to i{{[0-9]+}}
177   // TCHECK: [[C_IND:%.+]] = mul{{.+}} i{{[0-9]+}} 1, [[VLA_ADDR_REF2]]
178   // TCHECK: [[C_1_REF:%.+]] = getelementptr inbounds i{{[0-9]+}}, i{{[0-9]+}}* [[C_REF]], i{{[0-9]+}} [[C_IND]]
179   // TCHECK: [[C_1_1_REF:%.+]] = getelementptr inbounds i{{[0-9]+}}, i{{[0-9]+}}* [[C_1_REF]], i{{[0-9]+}} 1
180   // TCHECK: store i{{[0-9]+}} [[A_FIELD_INC_CONV]], i{{[0-9]+}}* [[C_1_1_REF]],
181 
182   // finish
183   // TCHECK: ret void
184 };
185 
186 
187 int bar(int n){
188   int a = 0;
189   a += foo(n);
190   S1 S;
191   a += S.r1(n);
192   a += fstatic(n);
193   a += ftemplate<int>(n);
194 
195   return a;
196 }
197 
198 // template
199 // TCHECK: define void @__omp_offloading_{{.+}}(i{{[0-9]+}}*{{.+}}, i{{[0-9]+}}*{{.+}}, [10 x i32]*{{.+}})
200 // TCHECK: [[A:%.+]] = alloca i{{[0-9]+}}*,
201 // TCHECK: [[A2:%.+]] = alloca i{{[0-9]+}}*,
202 // TCHECK: [[B:%.+]] = alloca [10 x i{{[0-9]+}}]*,
203 // TCHECK: store {{.+}}, {{.+}} [[A]],
204 // TCHECK: store {{.+}}, {{.+}} [[A2]],
205 // TCHECK: store {{.+}}, {{.+}} [[B]],
206 // TCHECK: [[A_REF:%.+]] = load i32*, i32** [[A]],
207 // TCHECK: [[AA_REF:%.+]] = load i16*, i16** [[AA]],
208 // TCHECK: [[B_REF:%.+]] = load {{.+}}*, {{.+}}** [[B]],
209 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[A_REF]],
210 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[AA_REF]],
211 // TCHECK: [[B_GEP:%.+]] = getelementptr inbounds [10 x i{{[0-9]+}}], [10 x i{{[0-9]+}}]* [[B_REF]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
212 // TCHECK: store i{{[0-9]+}} 1, i{{[0-9]+}}* [[B_GEP]],
213 // TCHECK: ret void
214 
215 #endif
216