[clang] 77ebfba - [Flang][Openmp] Upgrade TASKGROUP construct to 5.0.

Chirag Khandelwal via cfe-commits cfe-commits at lists.llvm.org
Mon Aug 2 21:57:57 PDT 2021


Author: Chirag Khandelwal
Date: 2021-08-03T10:27:47+05:30
New Revision: 77ebfba68b9aa89e9ccbcdf8e285afa0661c8ca4

URL: https://github.com/llvm/llvm-project/commit/77ebfba68b9aa89e9ccbcdf8e285afa0661c8ca4
DIFF: https://github.com/llvm/llvm-project/commit/77ebfba68b9aa89e9ccbcdf8e285afa0661c8ca4.diff

LOG: [Flang][Openmp] Upgrade TASKGROUP construct to 5.0.

In OMP 5.0 specification clause-list with
* task_reduction
* allocate
were allowed on taskgroup construct.

Fix XFAIL - omp-taskloop01.f90.

Reviewed By: kiranchandramohan

Differential Revision: https://reviews.llvm.org/D93373

Added: 
    flang/test/Semantics/omp-taskgroup01.f90

Modified: 
    clang/test/OpenMP/master_taskloop_simd_ast_print.cpp
    clang/test/OpenMP/parallel_master_taskloop_simd_ast_print.cpp
    clang/test/OpenMP/taskloop_simd_ast_print.cpp
    flang/lib/Semantics/resolve-directives.cpp
    flang/lib/Semantics/resolve-names.cpp
    llvm/include/llvm/Frontend/OpenMP/OMP.td

Removed: 
    


################################################################################
diff  --git a/clang/test/OpenMP/master_taskloop_simd_ast_print.cpp b/clang/test/OpenMP/master_taskloop_simd_ast_print.cpp
index 54df1bbccc69f..f22db8f29ca88 100644
--- a/clang/test/OpenMP/master_taskloop_simd_ast_print.cpp
+++ b/clang/test/OpenMP/master_taskloop_simd_ast_print.cpp
@@ -1,13 +1,13 @@
-// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -ast-print %s | FileCheck %s --check-prefix CHECK --check-prefix OMP45
-// RUN: %clang_cc1 -fopenmp -fopenmp-version=45 -x c++ -std=c++11 -emit-pch -o %t %s
-// RUN: %clang_cc1 -fopenmp -fopenmp-version=45 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix CHECK --check-prefix OMP45
+// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50 -DOMP5 -ast-print %s | FileCheck %s --check-prefix CHECK --check-prefix OMP50
+// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -DOMP5 -x c++ -std=c++11 -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -DOMP5 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 // RUN: %clang_cc1 -verify -fopenmp -ast-print %s -DOMP5 | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -emit-pch -o %t %s -DOMP5
 // RUN: %clang_cc1 -fopenmp -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print -DOMP5 | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 
-// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 -ast-print %s | FileCheck %s --check-prefix CHECK --check-prefix OMP45
-// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=45 -x c++ -std=c++11 -emit-pch -o %t %s
-// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=45 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix CHECK --check-prefix OMP45
+// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=50 -DOMP5 -ast-print %s | FileCheck %s --check-prefix CHECK --check-prefix OMP50
+// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -DOMP5 -x c++ -std=c++11 -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -DOMP5 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 // RUN: %clang_cc1 -verify -fopenmp-simd -ast-print %s -DOMP5 | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -emit-pch -o %t %s -DOMP5
 // RUN: %clang_cc1 -fopenmp-simd -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print -DOMP5 | FileCheck %s --check-prefix CHECK --check-prefix OMP50
@@ -85,7 +85,6 @@ int main(int argc, char **argv) {
       foo();
   // CHECK-NEXT: #pragma omp parallel
   // OMP50-NEXT: #pragma omp master taskloop simd private(argc,b) firstprivate(argv,c) lastprivate(d,f) collapse(2) shared(g) if(simd: argc) mergeable priority(argc) simdlen(16) grainsize(argc) reduction(max: a,e) nontemporal(argc,c,d) order(concurrent)
-  // OMP45-NEXT: #pragma omp master taskloop simd private(argc,b) firstprivate(argv,c) lastprivate(d,f) collapse(2) shared(g) if(argc) mergeable priority(argc) simdlen(16) grainsize(argc) reduction(max: a,e)
   // CHECK-NEXT: for (int i = 0; i < 10; ++i)
   // CHECK-NEXT: for (int j = 0; j < 10; ++j)
   // CHECK-NEXT: foo();

diff  --git a/clang/test/OpenMP/parallel_master_taskloop_simd_ast_print.cpp b/clang/test/OpenMP/parallel_master_taskloop_simd_ast_print.cpp
index e052b1c45bc89..02d427952ec67 100644
--- a/clang/test/OpenMP/parallel_master_taskloop_simd_ast_print.cpp
+++ b/clang/test/OpenMP/parallel_master_taskloop_simd_ast_print.cpp
@@ -1,13 +1,13 @@
-// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -ast-print %s | FileCheck %s --check-prefix CHECK --check-prefix OMP45
-// RUN: %clang_cc1 -fopenmp -fopenmp-version=45 -x c++ -std=c++11 -emit-pch -o %t %s
-// RUN: %clang_cc1 -fopenmp -fopenmp-version=45 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix CHECK --check-prefix OMP45
+// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50 -DOMP5 -ast-print %s | FileCheck %s --check-prefix CHECK --check-prefix OMP50
+// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -DOMP5 -x c++ -std=c++11 -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -DOMP5 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50 -ast-print %s -DOMP5 | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 // RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -x c++ -std=c++11 -emit-pch -o %t %s -DOMP5
 // RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print -DOMP5 | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 
-// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 -ast-print %s | FileCheck %s --check-prefix CHECK --check-prefix OMP45
-// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=45 -x c++ -std=c++11 -emit-pch -o %t %s
-// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=45 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix CHECK --check-prefix OMP45
+// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=50 -DOMP5 -ast-print %s | FileCheck %s --check-prefix CHECK --check-prefix OMP50
+// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -DOMP5 -x c++ -std=c++11 -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -DOMP5 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=50 -ast-print %s -DOMP5 | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 // RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -x c++ -std=c++11 -emit-pch -o %t %s -DOMP5
 // RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print -DOMP5 | FileCheck %s --check-prefix CHECK --check-prefix OMP50
@@ -83,7 +83,6 @@ int main(int argc, char **argv) {
     for (int j = 0; j < 10; ++j)
       foo();
   // CHECK-NEXT: #pragma omp parallel
-  // OMP45-NEXT: #pragma omp parallel master taskloop simd private(argc,b) firstprivate(argv,c) lastprivate(d,f) collapse(2) shared(g) if(argc) mergeable priority(argc) grainsize(argc) reduction(max: a,e)
   // OMP50-NEXT: #pragma omp parallel master taskloop simd private(argc,b) firstprivate(argv,c) lastprivate(d,f) collapse(2) shared(g) if(simd: argc) mergeable priority(argc) grainsize(argc) reduction(max: a,e) nontemporal(argc,c,d) order(concurrent)
   // CHECK-NEXT: for (int i = 0; i < 10; ++i)
   // CHECK-NEXT: for (int j = 0; j < 10; ++j)

diff  --git a/clang/test/OpenMP/taskloop_simd_ast_print.cpp b/clang/test/OpenMP/taskloop_simd_ast_print.cpp
index 973c72c7b3dec..2f705b5d2f21a 100644
--- a/clang/test/OpenMP/taskloop_simd_ast_print.cpp
+++ b/clang/test/OpenMP/taskloop_simd_ast_print.cpp
@@ -1,13 +1,13 @@
-// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -ast-print %s | FileCheck %s --check-prefix CHECK --check-prefix OMP45
-// RUN: %clang_cc1 -fopenmp -fopenmp-version=45 -x c++ -std=c++11 -emit-pch -o %t %s
-// RUN: %clang_cc1 -fopenmp -fopenmp-version=45 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix CHECK --check-prefix OMP45
+// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50 -DOMP5 -ast-print %s | FileCheck %s --check-prefix CHECK --check-prefix OMP50
+// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -DOMP5 -x c++ -std=c++11 -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -DOMP5 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50 -ast-print %s -DOMP5 | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 // RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -x c++ -std=c++11 -emit-pch -o %t %s -DOMP5
 // RUN: %clang_cc1 -fopenmp -fopenmp-version=50 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print -DOMP5 | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 
-// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 -ast-print %s | FileCheck %s --check-prefix CHECK --check-prefix OMP45
-// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=45 -x c++ -std=c++11 -emit-pch -o %t %s
-// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=45 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix CHECK --check-prefix OMP45
+// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=50 -DOMP5 -ast-print %s | FileCheck %s --check-prefix CHECK --check-prefix OMP50
+// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -DOMP5 -x c++ -std=c++11 -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -DOMP5 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 // RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=50 -ast-print %s -DOMP5 | FileCheck %s --check-prefix CHECK --check-prefix OMP50
 // RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -x c++ -std=c++11 -emit-pch -o %t %s -DOMP5
 // RUN: %clang_cc1 -fopenmp-simd -fopenmp-version=50 -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print -DOMP5 | FileCheck %s --check-prefix CHECK --check-prefix OMP50
@@ -85,7 +85,6 @@ int main(int argc, char **argv) {
       foo();
   // CHECK-NEXT: #pragma omp parallel
   // OMP50-NEXT: #pragma omp taskloop simd private(argc,b) firstprivate(argv,c) lastprivate(d,f) collapse(2) shared(g) if(simd: argc) mergeable priority(argc) simdlen(16) grainsize(argc) reduction(max: a,e) nontemporal(argc,c,d) order(concurrent)
-  // OMP45-NEXT: #pragma omp taskloop simd private(argc,b) firstprivate(argv,c) lastprivate(d,f) collapse(2) shared(g) if(argc) mergeable priority(argc) simdlen(16) grainsize(argc) reduction(max: a,e)
   // CHECK-NEXT: for (int i = 0; i < 10; ++i)
   // CHECK-NEXT: for (int j = 0; j < 10; ++j)
   // CHECK-NEXT: foo();

diff  --git a/flang/lib/Semantics/resolve-directives.cpp b/flang/lib/Semantics/resolve-directives.cpp
index 67e2bd4f812b3..e1fc1ec43e22f 100644
--- a/flang/lib/Semantics/resolve-directives.cpp
+++ b/flang/lib/Semantics/resolve-directives.cpp
@@ -1069,12 +1069,12 @@ bool OmpAttributeVisitor::Pre(const parser::OpenMPBlockConstruct &x) {
   case llvm::omp::Directive::OMPD_target:
   case llvm::omp::Directive::OMPD_target_data:
   case llvm::omp::Directive::OMPD_task:
+  case llvm::omp::Directive::OMPD_taskgroup:
   case llvm::omp::Directive::OMPD_teams:
   case llvm::omp::Directive::OMPD_workshare:
   case llvm::omp::Directive::OMPD_parallel_workshare:
   case llvm::omp::Directive::OMPD_target_teams:
   case llvm::omp::Directive::OMPD_target_parallel:
-  case llvm::omp::Directive::OMPD_taskgroup:
     PushContext(beginDir.source, beginDir.v);
     break;
   default:

diff  --git a/flang/lib/Semantics/resolve-names.cpp b/flang/lib/Semantics/resolve-names.cpp
index 5582bd727aa38..bdc4082fe58bb 100644
--- a/flang/lib/Semantics/resolve-names.cpp
+++ b/flang/lib/Semantics/resolve-names.cpp
@@ -1292,6 +1292,7 @@ bool OmpVisitor::NeedsScope(const parser::OpenMPBlockConstruct &x) {
   case llvm::omp::Directive::OMPD_target_data:
   case llvm::omp::Directive::OMPD_master:
   case llvm::omp::Directive::OMPD_ordered:
+  case llvm::omp::Directive::OMPD_taskgroup:
     return false;
   default:
     return true;

diff  --git a/flang/test/Semantics/omp-taskgroup01.f90 b/flang/test/Semantics/omp-taskgroup01.f90
new file mode 100644
index 0000000000000..c8de9f2271d08
--- /dev/null
+++ b/flang/test/Semantics/omp-taskgroup01.f90
@@ -0,0 +1,49 @@
+! RUN: %S/test_errors.sh %s %t %flang -fopenmp
+! REQUIRES: shell
+
+use omp_lib
+  implicit none
+  integer :: xyz, abc
+  real :: reduction_var
+  !$omp parallel num_threads(4)
+    !$omp single
+      print *, "The"
+    !$omp taskgroup
+      !$omp task
+      print *, "almighty"
+      !$omp end task
+      !$omp task
+      print *, "sun"
+      !$omp end task
+    !$omp end taskgroup
+    !$omp end single
+  !$omp end parallel
+
+  !$omp parallel private(xyz)
+    !$omp taskgroup allocate(xyz)
+      !$omp task
+        print *, "The "
+        !$omp taskgroup allocate(omp_large_cap_mem_space: abc)
+          !$omp task
+          print *, "almighty sun"
+          !$omp end task
+        !$omp end taskgroup
+      !$omp end task
+    !$omp end taskgroup
+  !$omp end parallel
+
+  !ERROR: PRIVATE clause is not allowed on the TASKGROUP directive
+  !$omp taskgroup private(abc)
+  !$omp end taskgroup
+
+  !$omp parallel
+    !$omp task
+      !$omp taskgroup task_reduction(+ : reduction_var)
+          print *, "The "
+        !$omp taskgroup task_reduction(.or. : reduction_var) task_reduction(.and. : reduction_var)
+          print *, "almighty sun"
+        !$omp end taskgroup
+      !$omp end taskgroup
+    !$omp end task
+  !$omp end parallel
+end program
\ No newline at end of file

diff  --git a/llvm/include/llvm/Frontend/OpenMP/OMP.td b/llvm/include/llvm/Frontend/OpenMP/OMP.td
index 3dc6194c78308..d5a62107bbb81 100644
--- a/llvm/include/llvm/Frontend/OpenMP/OMP.td
+++ b/llvm/include/llvm/Frontend/OpenMP/OMP.td
@@ -473,8 +473,8 @@ def OMP_TaskWait : Directive<"taskwait"> {
 }
 def OMP_TaskGroup : Directive<"taskgroup"> {
   let allowedClauses = [
-    VersionedClause<OMPC_TaskReduction>,
-    VersionedClause<OMPC_Allocate>
+    VersionedClause<OMPC_TaskReduction, 50>,
+    VersionedClause<OMPC_Allocate, 50>
   ];
 }
 def OMP_Flush : Directive<"flush"> {


        


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