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llvm-project/clang/test/OpenMP/task_if_codegen.cpp
Alexey Bataev ad537bb8a0 [OPENMP 4.5] Fixed codegen for 'priority' and destructors in task-based 
directives.

'kmp_task_t' record type added a new field for 'priority' clause and
changed the representation of pointer to destructors for privates used
within loop-based directives.
Old representation:

typedef struct kmp_task {                   /* GEH: Shouldn't this be
aligned somehow? */
  void *shareds;                            /**< pointer to block of
    pointers to shared vars   */
  kmp_routine_entry_t routine;              /**< pointer to routine
    to call for executing task */
  kmp_int32 part_id;                        /**< part id for the
    task                          */
  kmp_routine_entry_t destructors;        /* pointer to function to
  invoke deconstructors of firstprivate C++ objects */
  /*  private vars  */
} kmp_task_t;

New representation:

typedef struct kmp_task {                   /* GEH: Shouldn't this be
aligned somehow? */
  void *shareds;                            /**< pointer to block of
    pointers to shared vars   */
  kmp_routine_entry_t routine;              /**< pointer to routine
    to call for executing task */
  kmp_int32 part_id;                        /**< part id for the
    task                          */
  kmp_cmplrdata_t data1; /* Two known
optional additions: destructors and priority */
  kmp_cmplrdata_t data2; /* Process
destructors first, priority second */
/* future data */
  /*  private vars  */
} kmp_task_t;

Also excessive initialization of 'destructors' fields to 'null' was
removed from codegen if it is known that no destructors shal be used.
Currently a special bit is used in 'kmp_tasking_flags_t' bitfields
('destructors_thunk' bitfield).

llvm-svn: 271201
2016-05-30 09:06:50 +00:00

218 lines
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// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-apple-darwin10 -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
// REQUIRES: x86-registered-target
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
void fn1();
void fn2();
void fn3();
void fn4();
void fn5();
void fn6();
void fn7();
void fn8();
void fn9();
void fn10();
int Arg;
// CHECK-LABEL: define void @{{.+}}gtid_test
void gtid_test() {
// CHECK: call void {{.+}} @__kmpc_fork_call(%{{.+}}* @{{.+}}, i{{.+}} 0, {{.+}}* [[GTID_TEST_REGION1:@.+]] to void
#pragma omp parallel
#pragma omp task if (task: false)
gtid_test();
// CHECK: ret void
}
// CHECK: define internal void [[GTID_TEST_REGION1]](i32* noalias [[GTID_PARAM:%.+]], i
// CHECK: store i32* [[GTID_PARAM]], i32** [[GTID_ADDR_REF:%.+]],
// CHECK: [[GTID_ADDR:%.+]] = load i32*, i32** [[GTID_ADDR_REF]]
// CHECK: [[GTID:%.+]] = load i32, i32* [[GTID_ADDR]]
// CHECK: [[ORIG_TASK_PTR:%.+]] = call i8* @__kmpc_omp_task_alloc(
// CHECK: [[TASK_PTR:%.+]] = bitcast i8* [[ORIG_TASK_PTR]] to
// CHECK: call void @__kmpc_omp_task_begin_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: call i32 [[GTID_TEST_REGION2:@.+]](i32 [[GTID]], %{{.+}}* [[TASK_PTR]])
// CHECK: call void @__kmpc_omp_task_complete_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: ret void
// CHECK: define internal i32 [[GTID_TEST_REGION2]](
// CHECK: call void @{{.+}}gtid_test
// CHECK: ret i32
template <typename T>
int tmain(T Arg) {
#pragma omp task if (task: true)
fn1();
#pragma omp task if (false)
fn2();
#pragma omp task if (Arg)
fn3();
#pragma omp task if (task: Arg) depend(in : Arg)
fn4();
#pragma omp task if (Arg) depend(out : Arg)
fn5();
#pragma omp task if (Arg) depend(inout : Arg)
fn6();
return 0;
}
// CHECK-LABEL: @main
int main() {
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(
// CHECK: [[ORIG_TASK_PTR:%.+]] = call i8* @__kmpc_omp_task_alloc({{[^,]+}}, i32 [[GTID]], i32 1, i64 40, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[CAP_FN7:[^ ]+]] to i32 (i32, i8*)*))
// CHECK: call i32 @__kmpc_omp_task(%{{.+}}* @{{.+}}, i32 [[GTID]], i8* [[ORIG_TASK_PTR]])
#pragma omp task if (true)
fn7();
// CHECK: [[ORIG_TASK_PTR:%.+]] = call i8* @__kmpc_omp_task_alloc({{[^,]+}}, i32 [[GTID]], i32 1, i64 40, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[CAP_FN8:[^ ]+]] to i32 (i32, i8*)*))
// CHECK: [[TASK_PTR:%.+]] = bitcast i8* [[ORIG_TASK_PTR]] to
// CHECK: call void @__kmpc_omp_task_begin_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: call i32 [[CAP_FN8]](i32 [[GTID]], %{{.+}}* [[TASK_PTR]])
// CHECK: call void @__kmpc_omp_task_complete_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
#pragma omp task if (false)
fn8();
// CHECK: [[ORIG_TASK_PTR:%.+]] = call i8* @__kmpc_omp_task_alloc({{[^,]+}}, i32 [[GTID]], i32 1, i64 40, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[CAP_FN9:[^ ]+]] to i32 (i32, i8*)*))
// CHECK: [[TASK_PTR:%.+]] = bitcast i8* [[ORIG_TASK_PTR]] to
// CHECK: br i1 %{{.+}}, label %[[OMP_THEN:.+]], label %[[OMP_ELSE:.+]]
// CHECK: [[OMP_THEN]]
// CHECK: call i32 @__kmpc_omp_task(%{{.+}}* @{{.+}}, i32 [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: br label %[[OMP_END:.+]]
// CHECK: [[OMP_ELSE]]
// CHECK: call void @__kmpc_omp_task_begin_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: call i32 [[CAP_FN9]](i32 [[GTID]], %{{.+}}* [[TASK_PTR]])
// CHECK: call void @__kmpc_omp_task_complete_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: br label %[[OMP_END]]
// CHECK: [[OMP_END]]
#pragma omp task if (Arg)
fn9();
// CHECK: [[ORIG_TASK_PTR:%.+]] = call i8* @__kmpc_omp_task_alloc({{[^,]+}}, i32 [[GTID]], i32 1, i64 40, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[CAP_FN10:[^ ]+]] to i32 (i32, i8*)*))
// CHECK: [[TASK_PTR:%.+]] = bitcast i8* [[ORIG_TASK_PTR]] to
// CHECK: br i1 %{{.+}}, label %[[OMP_THEN:.+]], label %[[OMP_ELSE:.+]]
// CHECK: [[OMP_THEN]]
// CHECK: call i32 @__kmpc_omp_task_with_deps(%{{.+}}* @{{.+}}, i32 [[GTID]], i8* [[ORIG_TASK_PTR]], i32 1, i8* [[LIST:%[^,]+]], i32 0, i8* null)
// CHECK: br label %[[OMP_END:.+]]
// CHECK: [[OMP_ELSE]]
// CHECK: call void @__kmpc_omp_wait_deps(%{{.+}}* @{{.+}}, i32 [[GTID]], i32 1, i8* [[LIST]], i32 0, i8* null)
// CHECK: call void @__kmpc_omp_task_begin_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: call i32 [[CAP_FN10]](i32 [[GTID]], %{{.+}}* [[TASK_PTR]])
// CHECK: call void @__kmpc_omp_task_complete_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: br label %[[OMP_END]]
// CHECK: [[OMP_END]]
#pragma omp task if (Arg) depend(inout : Arg)
fn10();
// CHECK: = call {{.*}}i{{.+}} @{{.+}}tmain
return tmain(Arg);
}
// CHECK: define internal i32 [[CAP_FN7]]
// CHECK: call void @{{.+}}fn7
// CHECK: ret i32
// CHECK: define internal i32 [[CAP_FN8]]
// CHECK: call void @{{.+}}fn8
// CHECK: ret i32
// CHECK: define internal i32 [[CAP_FN9]]
// CHECK: call void @{{.+}}fn9
// CHECK: ret i32
// CHECK: define internal i32 [[CAP_FN10]]
// CHECK: call void @{{.+}}fn10
// CHECK: ret i32
// CHECK-LABEL: define {{.+}} @{{.+}}tmain
// CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(
// CHECK: [[ORIG_TASK_PTR:%.+]] = call i8* @__kmpc_omp_task_alloc(%{{[^,]+}}, i32 [[GTID]], i32 1, i64 40, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[CAP_FN1:[^ ]+]] to i32 (i32, i8*)*))
// CHECK: call i32 @__kmpc_omp_task(%{{.+}}* @{{.+}}, i32 [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: [[ORIG_TASK_PTR:%.+]] = call i8* @__kmpc_omp_task_alloc(
// CHECK: [[TASK_PTR:%.+]] = bitcast i8* [[ORIG_TASK_PTR]] to
// CHECK: call void @__kmpc_omp_task_begin_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: call i32 [[CAP_FN2:@.+]](i32 [[GTID]], %{{.+}}* [[TASK_PTR]])
// CHECK: call void @__kmpc_omp_task_complete_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: [[ORIG_TASK_PTR:%.+]] = call i8* @__kmpc_omp_task_alloc(%{{[^,]+}}, i32 [[GTID]], i32 1, i64 40, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[CAP_FN3:[^ ]+]] to i32 (i32, i8*)*))
// CHECK: [[TASK_PTR:%.+]] = bitcast i8* [[ORIG_TASK_PTR]] to
// CHECK: br i1 %{{.+}}, label %[[OMP_THEN:.+]], label %[[OMP_ELSE:.+]]
// CHECK: [[OMP_THEN]]
// CHECK: call i32 @__kmpc_omp_task(%{{.+}}* @{{.+}}, i32 [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: br label %[[OMP_END:.+]]
// CHECK: [[OMP_ELSE]]
// CHECK: call void @__kmpc_omp_task_begin_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: call i32 [[CAP_FN3]](i32 [[GTID]], %{{.+}}* [[TASK_PTR]])
// CHECK: call void @__kmpc_omp_task_complete_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: br label %[[OMP_END]]
// CHECK: [[OMP_END]]
// CHECK: [[ORIG_TASK_PTR:%.+]] = call i8* @__kmpc_omp_task_alloc(%{{[^,]+}}, i32 [[GTID]], i32 1, i64 40, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[CAP_FN4:[^ ]+]] to i32 (i32, i8*)*))
// CHECK: [[TASK_PTR:%.+]] = bitcast i8* [[ORIG_TASK_PTR]] to
// CHECK: br i1 %{{.+}}, label %[[OMP_THEN:.+]], label %[[OMP_ELSE:.+]]
// CHECK: [[OMP_THEN]]
// CHECK: call i32 @__kmpc_omp_task_with_deps(%{{.+}}* @{{.+}}, i32 [[GTID]], i8* [[ORIG_TASK_PTR]], i32 1, i8* [[LIST:%.+]], i32 0, i8* null)
// CHECK: br label %[[OMP_END:.+]]
// CHECK: [[OMP_ELSE]]
// CHECK: call void @__kmpc_omp_wait_deps(%{{.+}}* @{{.+}}, i32 [[GTID]], i32 1, i8* [[LIST]], i32 0, i8* null)
// CHECK: call void @__kmpc_omp_task_begin_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: call i32 [[CAP_FN4]](i32 [[GTID]], %{{.+}}* [[TASK_PTR]])
// CHECK: call void @__kmpc_omp_task_complete_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: br label %[[OMP_END]]
// CHECK: [[OMP_END]]
// CHECK: [[ORIG_TASK_PTR:%.+]] = call i8* @__kmpc_omp_task_alloc(%{{[^,]+}}, i32 [[GTID]], i32 1, i64 40, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[CAP_FN5:[^ ]+]] to i32 (i32, i8*)*))
// CHECK: [[TASK_PTR:%.+]] = bitcast i8* [[ORIG_TASK_PTR]] to
// CHECK: br i1 %{{.+}}, label %[[OMP_THEN:.+]], label %[[OMP_ELSE:.+]]
// CHECK: [[OMP_THEN]]
// CHECK: call i32 @__kmpc_omp_task_with_deps(%{{.+}}* @{{.+}}, i32 [[GTID]], i8* [[ORIG_TASK_PTR]], i32 1, i8* [[LIST:%.+]], i32 0, i8* null)
// CHECK: br label %[[OMP_END:.+]]
// CHECK: [[OMP_ELSE]]
// CHECK: call void @__kmpc_omp_wait_deps(%{{.+}}* @{{.+}}, i32 [[GTID]], i32 1, i8* [[LIST]], i32 0, i8* null)
// CHECK: call void @__kmpc_omp_task_begin_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: call i32 [[CAP_FN5]](i32 [[GTID]], %{{.+}}* [[TASK_PTR]])
// CHECK: call void @__kmpc_omp_task_complete_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: br label %[[OMP_END]]
// CHECK: [[OMP_END]]
// CHECK: [[ORIG_TASK_PTR:%.+]] = call i8* @__kmpc_omp_task_alloc(%{{[^,]+}}, i32 [[GTID]], i32 1, i64 40, i64 1, i32 (i32, i8*)* bitcast (i32 (i32, %{{[^*]+}}*)* [[CAP_FN6:[^ ]+]] to i32 (i32, i8*)*))
// CHECK: [[TASK_PTR:%.+]] = bitcast i8* [[ORIG_TASK_PTR]] to
// CHECK: br i1 %{{.+}}, label %[[OMP_THEN:.+]], label %[[OMP_ELSE:.+]]
// CHECK: [[OMP_THEN]]
// CHECK: call i32 @__kmpc_omp_task_with_deps(%{{.+}}* @{{.+}}, i32 [[GTID]], i8* [[ORIG_TASK_PTR]], i32 1, i8* [[LIST:%.+]], i32 0, i8* null)
// CHECK: br label %[[OMP_END:.+]]
// CHECK: [[OMP_ELSE]]
// CHECK: call void @__kmpc_omp_wait_deps(%{{.+}}* @{{.+}}, i32 [[GTID]], i32 1, i8* [[LIST]], i32 0, i8* null)
// CHECK: call void @__kmpc_omp_task_begin_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: call i32 [[CAP_FN6]](i32 [[GTID]], %{{.+}}* [[TASK_PTR]])
// CHECK: call void @__kmpc_omp_task_complete_if0(%{{.+}}* @{{.+}}, i{{.+}} [[GTID]], i8* [[ORIG_TASK_PTR]])
// CHECK: br label %[[OMP_END]]
// CHECK: [[OMP_END]]
// CHECK: define internal i32 [[CAP_FN1]]
// CHECK: call void @{{.+}}fn1
// CHECK: ret i32
// CHECK: define internal i32 [[CAP_FN2]]
// CHECK: call void @{{.+}}fn2
// CHECK: ret i32
// CHECK: define internal i32 [[CAP_FN3]]
// CHECK: call void @{{.+}}fn3
// CHECK: ret i32
// CHECK: define internal i32 [[CAP_FN4]]
// CHECK: call void @{{.+}}fn4
// CHECK: ret i32
// CHECK: define internal i32 [[CAP_FN5]]
// CHECK: call void @{{.+}}fn5
// CHECK: ret i32
// CHECK: define internal i32 [[CAP_FN6]]
// CHECK: call void @{{.+}}fn6
// CHECK: ret i32
#endif
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