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[flang][OpenMP] Remove recognition of versions 3.0 and older (#145708)

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The oldest supported version is now 3.1. In terms of semantic analysis
the compiler treats all versions <= 4.5 identically, and there is no
plan to add version-specific checks for older versions.

See discourse thread:

https://discourse.llvm.org/t/rfc-remove-openmp-versions-prior-to-3-1/86901
This commit is contained in:
Krzysztof Parzyszek
2025-06-25 10:20:52 -05:00
committed by GitHub
parent 287b24e189
commit 77a3ae5845
3 changed files with 3 additions and 30 deletions
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14
flang/include/flang/Support/OpenMP-features.h
View File

@@ -15,16 +15,8 @@ namespace Fortran::common {
template <typename FortranPredefinitions>
void setOpenMPMacro(int version, FortranPredefinitions &predefinitions) {
switch (version) {
case 20:
predefinitions.emplace_back("_OPENMP", "200011");
break;
case 25:
predefinitions.emplace_back("_OPENMP", "200505");
break;
case 30:
predefinitions.emplace_back("_OPENMP", "200805");
break;
case 31:
default:
predefinitions.emplace_back("_OPENMP", "201107");
break;
case 40:
@@ -45,10 +37,6 @@ void setOpenMPMacro(int version, FortranPredefinitions &predefinitions) {
case 60:
predefinitions.emplace_back("_OPENMP", "202411");
break;
case 11:
default:
predefinitions.emplace_back("_OPENMP", "199911");
break;
}
}
} // namespace Fortran::common

11
flang/test/Driver/bbc-openmp-version-macro.f90
View File

@@ -1,29 +1,22 @@
! Test predefined _OPENMP macro which denotes OpenMP version
! RUN: bbc -fopenmp -o - %s | FileCheck %s --check-prefix=DEFAULT-OPENMP-VERSION
! RUN: bbc -fopenmp -fopenmp-version=11 -o - %s | FileCheck %s --check-prefix=OPENMP-VERSION-11
! RUN: bbc -fopenmp -fopenmp-version=11 -o - %s | FileCheck %s --check-prefix=OPENMP-VERSION-11
! RUN: bbc -fopenmp -fopenmp-version=20 -o - %s | FileCheck %s --check-prefix=OPENMP-VERSION-20
! RUN: bbc -fopenmp -fopenmp-version=25 -o - %s | FileCheck %s --check-prefix=OPENMP-VERSION-25
! RUN: bbc -fopenmp -fopenmp-version=30 -o - %s | FileCheck %s --check-prefix=OPENMP-VERSION-30
! RUN: bbc -fopenmp -fopenmp-version=31 -o - %s | FileCheck %s --check-prefix=OPENMP-VERSION-31
! RUN: bbc -fopenmp -fopenmp-version=40 -o - %s | FileCheck %s --check-prefix=OPENMP-VERSION-40
! RUN: bbc -fopenmp -fopenmp-version=45 -o - %s | FileCheck %s --check-prefix=OPENMP-VERSION-45
! RUN: bbc -fopenmp -fopenmp-version=50 -o - %s | FileCheck %s --check-prefix=OPENMP-VERSION-50
! RUN: bbc -fopenmp -fopenmp-version=51 -o - %s | FileCheck %s --check-prefix=OPENMP-VERSION-51
! RUN: bbc -fopenmp -fopenmp-version=52 -o - %s | FileCheck %s --check-prefix=OPENMP-VERSION-52
! RUN: bbc -fopenmp -fopenmp-version=60 -o - %s | FileCheck %s --check-prefix=OPENMP-VERSION-60
! DEFAULT-OPENMP-VERSION: {{.*}} = arith.constant 201107 : i32
! OPENMP-VERSION-11: {{.*}} = arith.constant 199911 : i32
! OPENMP-VERSION-20: {{.*}} = arith.constant 200011 : i32
! OPENMP-VERSION-25: {{.*}} = arith.constant 200505 : i32
! OPENMP-VERSION-30: {{.*}} = arith.constant 200805 : i32
! OPENMP-VERSION-31: {{.*}} = arith.constant 201107 : i32
! OPENMP-VERSION-40: {{.*}} = arith.constant 201307 : i32
! OPENMP-VERSION-45: {{.*}} = arith.constant 201511 : i32
! OPENMP-VERSION-50: {{.*}} = arith.constant 201811 : i32
! OPENMP-VERSION-51: {{.*}} = arith.constant 202011 : i32
! OPENMP-VERSION-52: {{.*}} = arith.constant 202111 : i32
! OPENMP-VERSION-60: {{.*}} = arith.constant 202411 : i32
#if _OPENMP
integer :: var1 = _OPENMP

8
flang/test/Driver/flang-openmp-version-macro.f90
View File

@@ -1,10 +1,6 @@
! Test predefined _OPENMP macro which denotes OpenMP version
! RUN: %flang_fc1 -fopenmp -cpp -E %s | FileCheck %s --check-prefix=DEFAULT-OPENMP-VERSION
! RUN: %flang_fc1 -fopenmp -fopenmp-version=11 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-11
! RUN: %flang_fc1 -fopenmp -fopenmp-version=20 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-20
! RUN: %flang_fc1 -fopenmp -fopenmp-version=25 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-25
! RUN: %flang_fc1 -fopenmp -fopenmp-version=30 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-30
! RUN: %flang_fc1 -fopenmp -fopenmp-version=31 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-31
! RUN: %flang_fc1 -fopenmp -fopenmp-version=40 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-40
! RUN: %flang_fc1 -fopenmp -fopenmp-version=45 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-45
@@ -14,10 +10,6 @@
! RUN: %flang_fc1 -fopenmp -fopenmp-version=60 -cpp -E %s | FileCheck %s --check-prefix=OPENMP-VERSION-60
! DEFAULT-OPENMP-VERSION: integer :: var1 = 201107
! OPENMP-VERSION-11: integer :: var1 = 199911
! OPENMP-VERSION-20: integer :: var1 = 200011
! OPENMP-VERSION-25: integer :: var1 = 200505
! OPENMP-VERSION-30: integer :: var1 = 200805
! OPENMP-VERSION-31: integer :: var1 = 201107
! OPENMP-VERSION-40: integer :: var1 = 201307
! OPENMP-VERSION-45: integer :: var1 = 201511