1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -g -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
//
// expected-no-diagnostics
// REQUIRES: x86-registered-target
#ifndef HEADER
#define HEADER
// CHECK: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
// CHECK-LABEL: define {{.*void}} @{{.*}}without_schedule_clause{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
void without_schedule_clause(float *a, float *b, float *c, float *d) {
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
#pragma omp for
// CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 34, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 1)
// UB = min(UB, GlobalUB)
// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
// CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423
// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
// CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
// CHECK-NEXT: [[LB:%.+]] = load i32* [[OMP_LB]]
// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
// Loop header
// CHECK: [[IV:%.+]] = load i32* [[OMP_IV]]
// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
// CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
for (int i = 33; i < 32000000; i += 7) {
// CHECK: [[LOOP1_BODY]]
// Start of body: calculate i from IV:
// CHECK: [[IV1_1:%.+]] = load i32* [[OMP_IV]]
// CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7
// CHECK-NEXT: [[CALC_I_2:%.+]] = add nsw i32 33, [[CALC_I_1]]
// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
// ... loop body ...
// End of body: store into a[i]:
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
a[i] = b[i] * c[i] * d[i];
// CHECK: [[IV1_2:%.+]] = load i32* [[OMP_IV]]{{.*}}
// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
// CHECK-NEXT: br label %{{.+}}
}
// CHECK: [[LOOP1_END]]
// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
// CHECK: ret void
}
// CHECK-LABEL: define {{.*void}} @{{.*}}static_not_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
void static_not_chunked(float *a, float *b, float *c, float *d) {
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
#pragma omp for schedule(static)
// CHECK: call void @__kmpc_for_static_init_4([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 34, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 1)
// UB = min(UB, GlobalUB)
// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
// CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423
// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
// CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
// CHECK-NEXT: [[LB:%.+]] = load i32* [[OMP_LB]]
// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
// Loop header
// CHECK: [[IV:%.+]] = load i32* [[OMP_IV]]
// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
// CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
for (int i = 32000000; i > 33; i += -7) {
// CHECK: [[LOOP1_BODY]]
// Start of body: calculate i from IV:
// CHECK: [[IV1_1:%.+]] = load i32* [[OMP_IV]]
// CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7
// CHECK-NEXT: [[CALC_I_2:%.+]] = sub nsw i32 32000000, [[CALC_I_1]]
// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
// ... loop body ...
// End of body: store into a[i]:
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
a[i] = b[i] * c[i] * d[i];
// CHECK: [[IV1_2:%.+]] = load i32* [[OMP_IV]]{{.*}}
// CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
// CHECK-NEXT: br label %{{.+}}
}
// CHECK: [[LOOP1_END]]
// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
// CHECK: ret void
}
// CHECK-LABEL: define {{.*void}} @{{.*}}static_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
void static_chunked(float *a, float *b, float *c, float *d) {
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
#pragma omp for schedule(static, 5)
// CHECK: call void @__kmpc_for_static_init_4u([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 33, i32* [[IS_LAST:%[^,]+]], i32* [[OMP_LB:%[^,]+]], i32* [[OMP_UB:%[^,]+]], i32* [[OMP_ST:%[^,]+]], i32 1, i32 5)
// UB = min(UB, GlobalUB)
// CHECK: [[UB:%.+]] = load i32* [[OMP_UB]]
// CHECK-NEXT: [[UBCMP:%.+]] = icmp ugt i32 [[UB]], 16908288
// CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
// CHECK: [[UBRESULT:%.+]] = phi i32 [ 16908288, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
// CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
// CHECK-NEXT: [[LB:%.+]] = load i32* [[OMP_LB]]
// CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
// Outer loop header
// CHECK: [[O_IV:%.+]] = load i32* [[OMP_IV]]
// CHECK-NEXT: [[O_UB:%.+]] = load i32* [[OMP_UB]]
// CHECK-NEXT: [[O_CMP:%.+]] = icmp ule i32 [[O_IV]], [[O_UB]]
// CHECK-NEXT: br i1 [[O_CMP]], label %[[O_LOOP1_BODY:[^,]+]], label %[[O_LOOP1_END:[^,]+]]
// Loop header
// CHECK: [[O_LOOP1_BODY]]
// CHECK: [[IV:%.+]] = load i32* [[OMP_IV]]
// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
// CHECK-NEXT: [[CMP:%.+]] = icmp ule i32 [[IV]], [[UB]]
// CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
for (unsigned i = 131071; i <= 2147483647; i += 127) {
// CHECK: [[LOOP1_BODY]]
// Start of body: calculate i from IV:
// CHECK: [[IV1_1:%.+]] = load i32* [[OMP_IV]]
// CHECK-NEXT: [[CALC_I_1:%.+]] = mul i32 [[IV1_1]], 127
// CHECK-NEXT: [[CALC_I_2:%.+]] = add i32 131071, [[CALC_I_1]]
// CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
// ... loop body ...
// End of body: store into a[i]:
// CHECK: store float [[RESULT:%.+]], float* {{%.+}}
a[i] = b[i] * c[i] * d[i];
// CHECK: [[IV1_2:%.+]] = load i32* [[OMP_IV]]{{.*}}
// CHECK-NEXT: [[ADD1_2:%.+]] = add i32 [[IV1_2]], 1
// CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
// CHECK-NEXT: br label %{{.+}}
}
// CHECK: [[LOOP1_END]]
// Update the counters, adding stride
// CHECK: [[LB:%.+]] = load i32* [[OMP_LB]]
// CHECK-NEXT: [[ST:%.+]] = load i32* [[OMP_ST]]
// CHECK-NEXT: [[ADD_LB:%.+]] = add i32 [[LB]], [[ST]]
// CHECK-NEXT: store i32 [[ADD_LB]], i32* [[OMP_LB]]
// CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
// CHECK-NEXT: [[ST:%.+]] = load i32* [[OMP_ST]]
// CHECK-NEXT: [[ADD_UB:%.+]] = add i32 [[UB]], [[ST]]
// CHECK-NEXT: store i32 [[ADD_UB]], i32* [[OMP_UB]]
// CHECK: [[O_LOOP1_END]]
// CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
// CHECK: ret void
}
#endif // HEADER
|
