clang/test/OpenMP/parallel_sections_codegen.cpp

   1 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature --include-generated-funcs --replace-value-regex "__omp_offloading_[0-9a-z]+_[0-9a-z]+" "reduction_size[.].+[.]" "pl_cond[.].+[.|,]" --prefix-filecheck-ir-name _
   2 // RUN: %clang_cc1 -verify -fopenmp -x c++ -emit-llvm -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -o - %s | FileCheck %s --check-prefix=CHECK1
   3 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s
   4 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -include-pch %t -fsyntax-only -verify %s -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-llvm -o - | FileCheck %s --check-prefix=CHECK1
   5
   6 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -emit-llvm -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -o - %s | FileCheck %s --implicit-check-not="{{__kmpc|__tgt}}"
   7 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s
   8 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -include-pch %t -fsyntax-only -verify %s -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-llvm -o - | FileCheck %s --implicit-check-not="{{__kmpc|__tgt}}"
   9 // expected-no-diagnostics
  10 #ifndef HEADER
  11 #define HEADER
  12 void foo() { extern void mayThrow(); mayThrow(); };
  13 void bar() { extern void mayThrow(); mayThrow(); };
  14
  15 template <class T>
  16 T tmain() {
  17 #pragma omp parallel sections
  18   {
  19     foo();
  20   }
  21   return T();
  22 }
  23
  24 int main() {
  25 #pragma omp parallel sections
  26   {
  27 // <<UB = min(UB, GlobalUB);>>
  28 // <<IV = LB;>>
  29 // <<IV <= UB?>>
  30 // <<TRUE>> - > <BODY>
  31 #pragma omp section
  32     foo();
  33 #pragma omp section
  34     bar();
  35 // <<++IV;>>
  36   }
  37   return tmain<int>();
  38 }
  39
  40
  41 #endif
  42 // CHECK1-LABEL: define {{[^@]+}}@_Z3foov
  43 // CHECK1-SAME: () #[[ATTR0:[0-9]+]] {
  44 // CHECK1-NEXT:  entry:
  45 // CHECK1-NEXT:    call void @_Z8mayThrowv()
  46 // CHECK1-NEXT:    ret void
  47 //
  48 //
  49 // CHECK1-LABEL: define {{[^@]+}}@_Z3barv
  50 // CHECK1-SAME: () #[[ATTR0]] {
  51 // CHECK1-NEXT:  entry:
  52 // CHECK1-NEXT:    call void @_Z8mayThrowv()
  53 // CHECK1-NEXT:    ret void
  54 //
  55 //
  56 // CHECK1-LABEL: define {{[^@]+}}@main
  57 // CHECK1-SAME: () #[[ATTR2:[0-9]+]] {
  58 // CHECK1-NEXT:  entry:
  59 // CHECK1-NEXT:    [[RETVAL:%.*]] = alloca i32, align 4
  60 // CHECK1-NEXT:    store i32 0, ptr [[RETVAL]], align 4
  61 // CHECK1-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @[[GLOB2:[0-9]+]], i32 0, ptr @main.omp_outlined)
  62 // CHECK1-NEXT:    [[CALL:%.*]] = call noundef i32 @_Z5tmainIiET_v()
  63 // CHECK1-NEXT:    ret i32 [[CALL]]
  64 //
  65 //
  66 // CHECK1-LABEL: define {{[^@]+}}@main.omp_outlined
  67 // CHECK1-SAME: (ptr noalias noundef [[DOTGLOBAL_TID_:%.*]], ptr noalias noundef [[DOTBOUND_TID_:%.*]]) #[[ATTR3:[0-9]+]] personality ptr @__gxx_personality_v0 {
  68 // CHECK1-NEXT:  entry:
  69 // CHECK1-NEXT:    [[DOTGLOBAL_TID__ADDR:%.*]] = alloca ptr, align 8
  70 // CHECK1-NEXT:    [[DOTBOUND_TID__ADDR:%.*]] = alloca ptr, align 8
  71 // CHECK1-NEXT:    [[DOTOMP_SECTIONS_LB_:%.*]] = alloca i32, align 4
  72 // CHECK1-NEXT:    [[DOTOMP_SECTIONS_UB_:%.*]] = alloca i32, align 4
  73 // CHECK1-NEXT:    [[DOTOMP_SECTIONS_ST_:%.*]] = alloca i32, align 4
  74 // CHECK1-NEXT:    [[DOTOMP_SECTIONS_IL_:%.*]] = alloca i32, align 4
  75 // CHECK1-NEXT:    [[DOTOMP_SECTIONS_IV_:%.*]] = alloca i32, align 4
  76 // CHECK1-NEXT:    store ptr [[DOTGLOBAL_TID_]], ptr [[DOTGLOBAL_TID__ADDR]], align 8
  77 // CHECK1-NEXT:    store ptr [[DOTBOUND_TID_]], ptr [[DOTBOUND_TID__ADDR]], align 8
  78 // CHECK1-NEXT:    store i32 0, ptr [[DOTOMP_SECTIONS_LB_]], align 4
  79 // CHECK1-NEXT:    store i32 1, ptr [[DOTOMP_SECTIONS_UB_]], align 4
  80 // CHECK1-NEXT:    store i32 1, ptr [[DOTOMP_SECTIONS_ST_]], align 4
  81 // CHECK1-NEXT:    store i32 0, ptr [[DOTOMP_SECTIONS_IL_]], align 4
  82 // CHECK1-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[DOTGLOBAL_TID__ADDR]], align 8
  83 // CHECK1-NEXT:    [[TMP1:%.*]] = load i32, ptr [[TMP0]], align 4
  84 // CHECK1-NEXT:    call void @__kmpc_for_static_init_4(ptr @[[GLOB1:[0-9]+]], i32 [[TMP1]], i32 34, ptr [[DOTOMP_SECTIONS_IL_]], ptr [[DOTOMP_SECTIONS_LB_]], ptr [[DOTOMP_SECTIONS_UB_]], ptr [[DOTOMP_SECTIONS_ST_]], i32 1, i32 1)
  85 // CHECK1-NEXT:    [[TMP2:%.*]] = load i32, ptr [[DOTOMP_SECTIONS_UB_]], align 4
  86 // CHECK1-NEXT:    [[TMP3:%.*]] = icmp slt i32 [[TMP2]], 1
  87 // CHECK1-NEXT:    [[TMP4:%.*]] = select i1 [[TMP3]], i32 [[TMP2]], i32 1
  88 // CHECK1-NEXT:    store i32 [[TMP4]], ptr [[DOTOMP_SECTIONS_UB_]], align 4
  89 // CHECK1-NEXT:    [[TMP5:%.*]] = load i32, ptr [[DOTOMP_SECTIONS_LB_]], align 4
  90 // CHECK1-NEXT:    store i32 [[TMP5]], ptr [[DOTOMP_SECTIONS_IV_]], align 4
  91 // CHECK1-NEXT:    br label [[OMP_INNER_FOR_COND:%.*]]
  92 // CHECK1:       omp.inner.for.cond:
  93 // CHECK1-NEXT:    [[TMP6:%.*]] = load i32, ptr [[DOTOMP_SECTIONS_IV_]], align 4
  94 // CHECK1-NEXT:    [[TMP7:%.*]] = load i32, ptr [[DOTOMP_SECTIONS_UB_]], align 4
  95 // CHECK1-NEXT:    [[CMP:%.*]] = icmp sle i32 [[TMP6]], [[TMP7]]
  96 // CHECK1-NEXT:    br i1 [[CMP]], label [[OMP_INNER_FOR_BODY:%.*]], label [[OMP_INNER_FOR_END:%.*]]
  97 // CHECK1:       omp.inner.for.body:
  98 // CHECK1-NEXT:    [[TMP8:%.*]] = load i32, ptr [[DOTOMP_SECTIONS_IV_]], align 4
  99 // CHECK1-NEXT:    switch i32 [[TMP8]], label [[DOTOMP_SECTIONS_EXIT:%.*]] [
 100 // CHECK1-NEXT:    i32 0, label [[DOTOMP_SECTIONS_CASE:%.*]]
 101 // CHECK1-NEXT:    i32 1, label [[DOTOMP_SECTIONS_CASE1:%.*]]
 102 // CHECK1-NEXT:    ]
 103 // CHECK1:       .omp.sections.case:
 104 // CHECK1-NEXT:    invoke void @_Z3foov()
 105 // CHECK1-NEXT:    to label [[INVOKE_CONT:%.*]] unwind label [[TERMINATE_LPAD:%.*]]
 106 // CHECK1:       invoke.cont:
 107 // CHECK1-NEXT:    br label [[DOTOMP_SECTIONS_EXIT]]
 108 // CHECK1:       .omp.sections.case1:
 109 // CHECK1-NEXT:    invoke void @_Z3barv()
 110 // CHECK1-NEXT:    to label [[INVOKE_CONT2:%.*]] unwind label [[TERMINATE_LPAD]]
 111 // CHECK1:       invoke.cont2:
 112 // CHECK1-NEXT:    br label [[DOTOMP_SECTIONS_EXIT]]
 113 // CHECK1:       .omp.sections.exit:
 114 // CHECK1-NEXT:    br label [[OMP_INNER_FOR_INC:%.*]]
 115 // CHECK1:       omp.inner.for.inc:
 116 // CHECK1-NEXT:    [[TMP9:%.*]] = load i32, ptr [[DOTOMP_SECTIONS_IV_]], align 4
 117 // CHECK1-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP9]], 1
 118 // CHECK1-NEXT:    store i32 [[INC]], ptr [[DOTOMP_SECTIONS_IV_]], align 4
 119 // CHECK1-NEXT:    br label [[OMP_INNER_FOR_COND]]
 120 // CHECK1:       omp.inner.for.end:
 121 // CHECK1-NEXT:    call void @__kmpc_for_static_fini(ptr @[[GLOB1]], i32 [[TMP1]])
 122 // CHECK1-NEXT:    ret void
 123 // CHECK1:       terminate.lpad:
 124 // CHECK1-NEXT:    [[TMP10:%.*]] = landingpad { ptr, i32 }
 125 // CHECK1-NEXT:    catch ptr null
 126 // CHECK1-NEXT:    [[TMP11:%.*]] = extractvalue { ptr, i32 } [[TMP10]], 0
 127 // CHECK1-NEXT:    call void @__clang_call_terminate(ptr [[TMP11]]) #[[ATTR7:[0-9]+]]
 128 // CHECK1-NEXT:    unreachable
 129 //
 130 //
 131 // CHECK1-LABEL: define {{[^@]+}}@__clang_call_terminate
 132 // CHECK1-SAME: (ptr noundef [[TMP0:%.*]]) #[[ATTR5:[0-9]+]] comdat {
 133 // CHECK1-NEXT:    [[TMP2:%.*]] = call ptr @__cxa_begin_catch(ptr [[TMP0]]) #[[ATTR4:[0-9]+]]
 134 // CHECK1-NEXT:    call void @_ZSt9terminatev() #[[ATTR7]]
 135 // CHECK1-NEXT:    unreachable
 136 //
 137 //
 138 // CHECK1-LABEL: define {{[^@]+}}@_Z5tmainIiET_v
 139 // CHECK1-SAME: () #[[ATTR6:[0-9]+]] comdat {
 140 // CHECK1-NEXT:  entry:
 141 // CHECK1-NEXT:    call void (ptr, i32, ptr, ...) @__kmpc_fork_call(ptr @[[GLOB2]], i32 0, ptr @_Z5tmainIiET_v.omp_outlined)
 142 // CHECK1-NEXT:    ret i32 0
 143 //
 144 //
 145 // CHECK1-LABEL: define {{[^@]+}}@_Z5tmainIiET_v.omp_outlined
 146 // CHECK1-SAME: (ptr noalias noundef [[DOTGLOBAL_TID_:%.*]], ptr noalias noundef [[DOTBOUND_TID_:%.*]]) #[[ATTR3]] personality ptr @__gxx_personality_v0 {
 147 // CHECK1-NEXT:  entry:
 148 // CHECK1-NEXT:    [[DOTGLOBAL_TID__ADDR:%.*]] = alloca ptr, align 8
 149 // CHECK1-NEXT:    [[DOTBOUND_TID__ADDR:%.*]] = alloca ptr, align 8
 150 // CHECK1-NEXT:    [[DOTOMP_SECTIONS_LB_:%.*]] = alloca i32, align 4
 151 // CHECK1-NEXT:    [[DOTOMP_SECTIONS_UB_:%.*]] = alloca i32, align 4
 152 // CHECK1-NEXT:    [[DOTOMP_SECTIONS_ST_:%.*]] = alloca i32, align 4
 153 // CHECK1-NEXT:    [[DOTOMP_SECTIONS_IL_:%.*]] = alloca i32, align 4
 154 // CHECK1-NEXT:    [[DOTOMP_SECTIONS_IV_:%.*]] = alloca i32, align 4
 155 // CHECK1-NEXT:    store ptr [[DOTGLOBAL_TID_]], ptr [[DOTGLOBAL_TID__ADDR]], align 8
 156 // CHECK1-NEXT:    store ptr [[DOTBOUND_TID_]], ptr [[DOTBOUND_TID__ADDR]], align 8
 157 // CHECK1-NEXT:    store i32 0, ptr [[DOTOMP_SECTIONS_LB_]], align 4
 158 // CHECK1-NEXT:    store i32 0, ptr [[DOTOMP_SECTIONS_UB_]], align 4
 159 // CHECK1-NEXT:    store i32 1, ptr [[DOTOMP_SECTIONS_ST_]], align 4
 160 // CHECK1-NEXT:    store i32 0, ptr [[DOTOMP_SECTIONS_IL_]], align 4
 161 // CHECK1-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[DOTGLOBAL_TID__ADDR]], align 8
 162 // CHECK1-NEXT:    [[TMP1:%.*]] = load i32, ptr [[TMP0]], align 4
 163 // CHECK1-NEXT:    call void @__kmpc_for_static_init_4(ptr @[[GLOB1]], i32 [[TMP1]], i32 34, ptr [[DOTOMP_SECTIONS_IL_]], ptr [[DOTOMP_SECTIONS_LB_]], ptr [[DOTOMP_SECTIONS_UB_]], ptr [[DOTOMP_SECTIONS_ST_]], i32 1, i32 1)
 164 // CHECK1-NEXT:    [[TMP2:%.*]] = load i32, ptr [[DOTOMP_SECTIONS_UB_]], align 4
 165 // CHECK1-NEXT:    [[TMP3:%.*]] = icmp slt i32 [[TMP2]], 0
 166 // CHECK1-NEXT:    [[TMP4:%.*]] = select i1 [[TMP3]], i32 [[TMP2]], i32 0
 167 // CHECK1-NEXT:    store i32 [[TMP4]], ptr [[DOTOMP_SECTIONS_UB_]], align 4
 168 // CHECK1-NEXT:    [[TMP5:%.*]] = load i32, ptr [[DOTOMP_SECTIONS_LB_]], align 4
 169 // CHECK1-NEXT:    store i32 [[TMP5]], ptr [[DOTOMP_SECTIONS_IV_]], align 4
 170 // CHECK1-NEXT:    br label [[OMP_INNER_FOR_COND:%.*]]
 171 // CHECK1:       omp.inner.for.cond:
 172 // CHECK1-NEXT:    [[TMP6:%.*]] = load i32, ptr [[DOTOMP_SECTIONS_IV_]], align 4
 173 // CHECK1-NEXT:    [[TMP7:%.*]] = load i32, ptr [[DOTOMP_SECTIONS_UB_]], align 4
 174 // CHECK1-NEXT:    [[CMP:%.*]] = icmp sle i32 [[TMP6]], [[TMP7]]
 175 // CHECK1-NEXT:    br i1 [[CMP]], label [[OMP_INNER_FOR_BODY:%.*]], label [[OMP_INNER_FOR_END:%.*]]
 176 // CHECK1:       omp.inner.for.body:
 177 // CHECK1-NEXT:    [[TMP8:%.*]] = load i32, ptr [[DOTOMP_SECTIONS_IV_]], align 4
 178 // CHECK1-NEXT:    switch i32 [[TMP8]], label [[DOTOMP_SECTIONS_EXIT:%.*]] [
 179 // CHECK1-NEXT:    i32 0, label [[DOTOMP_SECTIONS_CASE:%.*]]
 180 // CHECK1-NEXT:    ]
 181 // CHECK1:       .omp.sections.case:
 182 // CHECK1-NEXT:    invoke void @_Z3foov()
 183 // CHECK1-NEXT:    to label [[INVOKE_CONT:%.*]] unwind label [[TERMINATE_LPAD:%.*]]
 184 // CHECK1:       invoke.cont:
 185 // CHECK1-NEXT:    br label [[DOTOMP_SECTIONS_EXIT]]
 186 // CHECK1:       .omp.sections.exit:
 187 // CHECK1-NEXT:    br label [[OMP_INNER_FOR_INC:%.*]]
 188 // CHECK1:       omp.inner.for.inc:
 189 // CHECK1-NEXT:    [[TMP9:%.*]] = load i32, ptr [[DOTOMP_SECTIONS_IV_]], align 4
 190 // CHECK1-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP9]], 1
 191 // CHECK1-NEXT:    store i32 [[INC]], ptr [[DOTOMP_SECTIONS_IV_]], align 4
 192 // CHECK1-NEXT:    br label [[OMP_INNER_FOR_COND]]
 193 // CHECK1:       omp.inner.for.end:
 194 // CHECK1-NEXT:    call void @__kmpc_for_static_fini(ptr @[[GLOB1]], i32 [[TMP1]])
 195 // CHECK1-NEXT:    ret void
 196 // CHECK1:       terminate.lpad:
 197 // CHECK1-NEXT:    [[TMP10:%.*]] = landingpad { ptr, i32 }
 198 // CHECK1-NEXT:    catch ptr null
 199 // CHECK1-NEXT:    [[TMP11:%.*]] = extractvalue { ptr, i32 } [[TMP10]], 0
 200 // CHECK1-NEXT:    call void @__clang_call_terminate(ptr [[TMP11]]) #[[ATTR7]]
 201 // CHECK1-NEXT:    unreachable
 202 //