1 // RUN: %clang_cc1 -verify -fopenmp=libiomp5 -x c++ -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp=libiomp5 -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
3 // 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
4 //
5 // expected-no-diagnostics
6 #ifndef HEADER
7 #define HEADER
8
9 // CHECK: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
10 // CHECK-LABEL: define {{.*void}} @{{.*}}without_schedule_clause{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
without_schedule_clause(float * a,float * b,float * c,float * d)11 void without_schedule_clause(float *a, float *b, float *c, float *d) {
12 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
13 #pragma omp for
14 // 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)
15 // UB = min(UB, GlobalUB)
16 // CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
17 // CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423
18 // CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
19 // CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
20 // CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
21 // CHECK-NEXT: [[LB:%.+]] = load i32* [[OMP_LB]]
22 // CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
23 // Loop header
24 // CHECK: [[IV:%.+]] = load i32* [[OMP_IV]]
25 // CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
26 // CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
27 // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
28 for (int i = 33; i < 32000000; i += 7) {
29 // CHECK: [[LOOP1_BODY]]
30 // Start of body: calculate i from IV:
31 // CHECK: [[IV1_1:%.+]] = load i32* [[OMP_IV]]
32 // CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7
33 // CHECK-NEXT: [[CALC_I_2:%.+]] = add nsw i32 33, [[CALC_I_1]]
34 // CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
35 // ... loop body ...
36 // End of body: store into a[i]:
37 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}
38 a[i] = b[i] * c[i] * d[i];
39 // CHECK: [[IV1_2:%.+]] = load i32* [[OMP_IV]]{{.*}}
40 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
41 // CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
42 // CHECK-NEXT: br label %{{.+}}
43 }
44 // CHECK: [[LOOP1_END]]
45 // CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
46 // CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
47 // CHECK: ret void
48 }
49
50 // CHECK-LABEL: define {{.*void}} @{{.*}}static_not_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
static_not_chunked(float * a,float * b,float * c,float * d)51 void static_not_chunked(float *a, float *b, float *c, float *d) {
52 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEFAULT_LOC:[@%].+]])
53 #pragma omp for schedule(static)
54 // 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)
55 // UB = min(UB, GlobalUB)
56 // CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
57 // CHECK-NEXT: [[UBCMP:%.+]] = icmp sgt i32 [[UB]], 4571423
58 // CHECK-NEXT: br i1 [[UBCMP]], label [[UB_TRUE:%[^,]+]], label [[UB_FALSE:%[^,]+]]
59 // CHECK: [[UBRESULT:%.+]] = phi i32 [ 4571423, [[UB_TRUE]] ], [ [[UBVAL:%[^,]+]], [[UB_FALSE]] ]
60 // CHECK-NEXT: store i32 [[UBRESULT]], i32* [[OMP_UB]]
61 // CHECK-NEXT: [[LB:%.+]] = load i32* [[OMP_LB]]
62 // CHECK-NEXT: store i32 [[LB]], i32* [[OMP_IV:[^,]+]]
63 // Loop header
64 // CHECK: [[IV:%.+]] = load i32* [[OMP_IV]]
65 // CHECK-NEXT: [[UB:%.+]] = load i32* [[OMP_UB]]
66 // CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB]]
67 // CHECK-NEXT: br i1 [[CMP]], label %[[LOOP1_BODY:[^,]+]], label %[[LOOP1_END:[^,]+]]
68 for (int i = 32000000; i > 33; i += -7) {
69 // CHECK: [[LOOP1_BODY]]
70 // Start of body: calculate i from IV:
71 // CHECK: [[IV1_1:%.+]] = load i32* [[OMP_IV]]
72 // CHECK-NEXT: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 7
73 // CHECK-NEXT: [[CALC_I_2:%.+]] = sub nsw i32 32000000, [[CALC_I_1]]
74 // CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
75 // ... loop body ...
76 // End of body: store into a[i]:
77 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}
78 a[i] = b[i] * c[i] * d[i];
79 // CHECK: [[IV1_2:%.+]] = load i32* [[OMP_IV]]{{.*}}
80 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
81 // CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
82 // CHECK-NEXT: br label %{{.+}}
83 }
84 // CHECK: [[LOOP1_END]]
85 // CHECK: call void @__kmpc_for_static_fini([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
86 // CHECK: call {{.+}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[DEFAULT_LOC_BARRIER:[@%].+]], i32 [[GTID]])
87 // CHECK: ret void
88 }
89
90 #endif // HEADER
91
92