clang/test/OpenMP/irbuilder_nested_openmp_parallel_empty.c

   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(ptr @[[GLOB1:[0-9]+]])
  16 // ALL-NEXT:    br label [[OMP_PARALLEL:%.*]]
  17 // ALL:       omp_parallel:
  18 // ALL-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @[[GLOB1]], i32 0, ptr @_Z17nested_parallel_0v..omp_par.1)
  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 //
  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:    [[STRUCTARG14:%.*]] = alloca { ptr, ptr, ptr }, align 8
  37 // ALL-NEXT:    [[R_ADDR:%.*]] = alloca ptr, align 8
  38 // ALL-NEXT:    [[A_ADDR:%.*]] = alloca i32, align 4
  39 // ALL-NEXT:    [[B_ADDR:%.*]] = alloca double, align 8
  40 // ALL-NEXT:    store ptr [[R:%.*]], ptr [[R_ADDR]], align 8
  41 // ALL-NEXT:    store i32 [[A:%.*]], ptr [[A_ADDR]], align 4
  42 // ALL-NEXT:    store double [[B:%.*]], ptr [[B_ADDR]], align 8
  43 // ALL-NEXT:    [[OMP_GLOBAL_THREAD_NUM:%.*]] = call i32 @__kmpc_global_thread_num(ptr @[[GLOB1]])
  44 // ALL-NEXT:    br label [[OMP_PARALLEL:%.*]]
  45 // ALL:       omp_parallel:
  46 // ALL-NEXT:    [[GEP_A_ADDR15:%.*]] = getelementptr { ptr, ptr, ptr }, ptr [[STRUCTARG14]], i32 0, i32 0
  47 // ALL-NEXT:    store ptr [[A_ADDR]], ptr [[GEP_A_ADDR15]], align 8
  48 // ALL-NEXT:    [[GEP_B_ADDR16:%.*]] = getelementptr { ptr, ptr, ptr }, ptr [[STRUCTARG14]], i32 0, i32 1
  49 // ALL-NEXT:    store ptr [[B_ADDR]], ptr [[GEP_B_ADDR16]], align 8
  50 // ALL-NEXT:    [[GEP_R_ADDR17:%.*]] = getelementptr { ptr, ptr, ptr }, ptr [[STRUCTARG14]], i32 0, i32 2
  51 // ALL-NEXT:    store ptr [[R_ADDR]], ptr [[GEP_R_ADDR17]], align 8
  52 // ALL-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @[[GLOB1]], i32 1, ptr @_Z17nested_parallel_1Pfid..omp_par.2, ptr [[STRUCTARG14]])
  53 // ALL-NEXT:    br label [[OMP_PAR_OUTLINED_EXIT13:%.*]]
  54 // ALL:       omp.par.outlined.exit13:
  55 // ALL-NEXT:    br label [[OMP_PAR_EXIT_SPLIT:%.*]]
  56 // ALL:       omp.par.exit.split:
  57 // ALL-NEXT:    ret void
  58 //
  59 void nested_parallel_1(float *r, int a, double b) {
  60 #pragma omp parallel
  61   {
  62 #pragma omp parallel
  63     {
  64       *r = a + b;
  65     }
  66   }
  67 }
  68
  69 // ALL-LABEL: @_Z17nested_parallel_2Pfid(
  70 // ALL-NEXT:  entry:
  71 // ALL-NEXT:    [[STRUCTARG:%.*]] = alloca { ptr, ptr, ptr }, align 8
  72 // ALL-NEXT:    [[R_ADDR:%.*]] = alloca ptr, align 8
  73 // ALL-NEXT:    [[A_ADDR:%.*]] = alloca i32, align 4
  74 // ALL-NEXT:    [[B_ADDR:%.*]] = alloca double, align 8
  75 // ALL-NEXT:    store ptr [[R:%.*]], ptr [[R_ADDR]], align 8
  76 // ALL-NEXT:    store i32 [[A:%.*]], ptr [[A_ADDR]], align 4
  77 // ALL-NEXT:    store double [[B:%.*]], ptr [[B_ADDR]], align 8
  78 // ALL-NEXT:    [[OMP_GLOBAL_THREAD_NUM:%.*]] = call i32 @__kmpc_global_thread_num(ptr @[[GLOB1]])
  79 // ALL-NEXT:    br label [[OMP_PARALLEL:%.*]]
  80 // ALL:       omp_parallel:
  81 // ALL-NEXT:    [[GEP_A_ADDR:%.*]] = getelementptr { ptr, ptr, ptr }, ptr [[STRUCTARG]], i32 0, i32 0
  82 // ALL-NEXT:    store ptr [[A_ADDR]], ptr [[GEP_A_ADDR]], align 8
  83 // ALL-NEXT:    [[GEP_B_ADDR:%.*]] = getelementptr { ptr, ptr, ptr }, ptr [[STRUCTARG]], i32 0, i32 1
  84 // ALL-NEXT:    store ptr [[B_ADDR]], ptr [[GEP_B_ADDR]], align 8
  85 // ALL-NEXT:    [[GEP_R_ADDR:%.*]] = getelementptr { ptr, ptr, ptr }, ptr [[STRUCTARG]], i32 0, i32 2
  86 // ALL-NEXT:    store ptr [[R_ADDR]], ptr [[GEP_R_ADDR]], align 8
  87 // ALL-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @[[GLOB1]], i32 1, ptr @_Z17nested_parallel_2Pfid..omp_par.5, ptr [[STRUCTARG]])
  88 // ALL-NEXT:    br label [[OMP_PAR_OUTLINED_EXIT55:%.*]]
  89 // ALL:       omp.par.outlined.exit55:
  90 // ALL-NEXT:    br label [[OMP_PAR_EXIT_SPLIT:%.*]]
  91 // ALL:       omp.par.exit.split:
  92 // ALL-NEXT:    [[TMP0:%.*]] = load i32, ptr [[A_ADDR]], align 4
  93 // ALL-NEXT:    [[CONV56:%.*]] = sitofp i32 [[TMP0]] to double
  94 // ALL-NEXT:    [[TMP1:%.*]] = load double, ptr [[B_ADDR]], align 8
  95 // ALL-NEXT:    [[ADD57:%.*]] = fadd double [[CONV56]], [[TMP1]]
  96 // ALL-NEXT:    [[CONV58:%.*]] = fptrunc double [[ADD57]] to float
  97 // ALL-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[R_ADDR]], align 8
  98 // ALL-NEXT:    store float [[CONV58]], ptr [[TMP2]], align 4
  99 // ALL-NEXT:    ret void
 100 //
 101 void nested_parallel_2(float *r, int a, double b) {
 102 #pragma omp parallel
 103   {
 104     *r = a + b;
 105 #pragma omp parallel
 106     {
 107       *r = a + b;
 108 #pragma omp parallel
 109       {
 110         *r = a + b;
 111       }
 112       *r = a + b;
 113 #pragma omp parallel
 114       {
 115         *r = a + b;
 116       }
 117       *r = a + b;
 118     }
 119     *r = a + b;
 120   }
 121   *r = a + b;
 122 }
 123
 124 #endif
 125 //// NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
 126 // IRBUILDER: {{.*}}