1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
2 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-enable-irbuilder -x c++ -emit-llvm %s -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -o - | FileCheck %s --check-prefixes=ALL,IRBUILDER
3 // %clang_cc1 -fopenmp -fopenmp-enable-irbuilder -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o /tmp/t1 %s
4 // %clang_cc1 -fopenmp -fopenmp-enable-irbuilder -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -debug-info-kind=limited -std=c++11 -include-pch /tmp/t1 -verify %s -emit-llvm -o - | FileCheck --check-prefixes=ALL-DEBUG,IRBUILDER-DEBUG %s
5
6 // expected-no-diagnostics
7
8 // TODO: Teach the update script to check new functions too.
9
10 #ifndef HEADER
11 #define HEADER
12
13 // ALL-LABEL: @_Z17nested_parallel_0v(
14 // ALL-NEXT: entry:
15 // ALL-NEXT: [[OMP_GLOBAL_THREAD_NUM:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @1)
16 // ALL-NEXT: br label [[OMP_PARALLEL:%.*]]
17 // ALL: omp_parallel:
18 // ALL-NEXT: call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @1, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @_Z17nested_parallel_0v..omp_par.1 to void (i32*, i32*, ...)*))
19 // ALL-NEXT: br label [[OMP_PAR_OUTLINED_EXIT12:%.*]]
20 // ALL: omp.par.outlined.exit12:
21 // ALL-NEXT: br label [[OMP_PAR_EXIT_SPLIT:%.*]]
22 // ALL: omp.par.exit.split:
23 // ALL-NEXT: ret void
24 //
nested_parallel_0(void)25 void nested_parallel_0(void) {
26 #pragma omp parallel
27 {
28 #pragma omp parallel
29 {
30 }
31 }
32 }
33
34 // ALL-LABEL: @_Z17nested_parallel_1Pfid(
35 // ALL-NEXT: entry:
36 // ALL-NEXT: [[R_ADDR:%.*]] = alloca float*, align 8
37 // ALL-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
38 // ALL-NEXT: [[B_ADDR:%.*]] = alloca double, align 8
39 // ALL-NEXT: store float* [[R:%.*]], float** [[R_ADDR]], align 8
40 // ALL-NEXT: store i32 [[A:%.*]], i32* [[A_ADDR]], align 4
41 // ALL-NEXT: store double [[B:%.*]], double* [[B_ADDR]], align 8
42 // ALL-NEXT: [[OMP_GLOBAL_THREAD_NUM:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @1)
43 // ALL-NEXT: br label [[OMP_PARALLEL:%.*]]
44 // ALL: omp_parallel:
45 // ALL-NEXT: call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @1, i32 3, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i32*, double*, float**)* @_Z17nested_parallel_1Pfid..omp_par.2 to void (i32*, i32*, ...)*), i32* [[A_ADDR]], double* [[B_ADDR]], float** [[R_ADDR]])
46 // ALL-NEXT: br label [[OMP_PAR_OUTLINED_EXIT13:%.*]]
47 // ALL: omp.par.outlined.exit13:
48 // ALL-NEXT: br label [[OMP_PAR_EXIT_SPLIT:%.*]]
49 // ALL: omp.par.exit.split:
50 // ALL-NEXT: ret void
51 //
nested_parallel_1(float * r,int a,double b)52 void nested_parallel_1(float *r, int a, double b) {
53 #pragma omp parallel
54 {
55 #pragma omp parallel
56 {
57 *r = a + b;
58 }
59 }
60 }
61
62 // ALL-LABEL: @_Z17nested_parallel_2Pfid(
63 // ALL-NEXT: entry:
64 // ALL-NEXT: [[R_ADDR:%.*]] = alloca float*, align 8
65 // ALL-NEXT: [[A_ADDR:%.*]] = alloca i32, align 4
66 // ALL-NEXT: [[B_ADDR:%.*]] = alloca double, align 8
67 // ALL-NEXT: store float* [[R:%.*]], float** [[R_ADDR]], align 8
68 // ALL-NEXT: store i32 [[A:%.*]], i32* [[A_ADDR]], align 4
69 // ALL-NEXT: store double [[B:%.*]], double* [[B_ADDR]], align 8
70 // ALL-NEXT: [[OMP_GLOBAL_THREAD_NUM:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @1)
71 // ALL-NEXT: br label [[OMP_PARALLEL:%.*]]
72 // ALL: omp_parallel:
73 // ALL-NEXT: call void (%struct.ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* @1, i32 3, void (i32*, i32*, ...)* bitcast (void (i32*, i32*, i32*, double*, float**)* @_Z17nested_parallel_2Pfid..omp_par.5 to void (i32*, i32*, ...)*), i32* [[A_ADDR]], double* [[B_ADDR]], float** [[R_ADDR]])
74 // ALL-NEXT: br label [[OMP_PAR_OUTLINED_EXIT55:%.*]]
75 // ALL: omp.par.outlined.exit55:
76 // ALL-NEXT: br label [[OMP_PAR_EXIT_SPLIT:%.*]]
77 // ALL: omp.par.exit.split:
78 // ALL-NEXT: [[TMP0:%.*]] = load i32, i32* [[A_ADDR]], align 4
79 // ALL-NEXT: [[CONV56:%.*]] = sitofp i32 [[TMP0]] to double
80 // ALL-NEXT: [[TMP1:%.*]] = load double, double* [[B_ADDR]], align 8
81 // ALL-NEXT: [[ADD57:%.*]] = fadd double [[CONV56]], [[TMP1]]
82 // ALL-NEXT: [[CONV58:%.*]] = fptrunc double [[ADD57]] to float
83 // ALL-NEXT: [[TMP2:%.*]] = load float*, float** [[R_ADDR]], align 8
84 // ALL-NEXT: store float [[CONV58]], float* [[TMP2]], align 4
85 // ALL-NEXT: ret void
86 //
nested_parallel_2(float * r,int a,double b)87 void nested_parallel_2(float *r, int a, double b) {
88 #pragma omp parallel
89 {
90 *r = a + b;
91 #pragma omp parallel
92 {
93 *r = a + b;
94 #pragma omp parallel
95 {
96 *r = a + b;
97 }
98 *r = a + b;
99 #pragma omp parallel
100 {
101 *r = a + b;
102 }
103 *r = a + b;
104 }
105 *r = a + b;
106 }
107 *r = a + b;
108 }
109
110 #endif
111