mirrors/llvm-project
0
0
Fork 0
mirror of https://github.com/llvm/llvm-project.git synced 2025-04-24 23:16:05 +00:00
Code Issues Projects Releases Wiki Activity

[flang][Driver] support -fno-openmp (#107087)

Browse Source 
Closes #83148
This commit is contained in:
Tom Eccles 2024-09-04 11:28:47 +01:00 committed by GitHub
parent d77ccae4a6
commit 4f130fa943
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
4 changed files with 25 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
clang/include/clang/Driver/Options.td
View File

@ -3545,6 +3545,7 @@ def fopenmp : Flag<["-"], "fopenmp">, Group<f_Group>,
Visibility<[ClangOption, CC1Option, FlangOption, FC1Option]>,
HelpText<"Parse OpenMP pragmas and generate parallel code.">;
def fno_openmp : Flag<["-"], "fno-openmp">, Group<f_Group>,
Visibility<[ClangOption, CC1Option, FlangOption, FC1Option]>,
Flags<[NoArgumentUnused]>;
class OpenMPVersionHelp<string program, string default> {
string str = !strconcat(

4
flang/lib/Frontend/CompilerInvocation.cpp
View File

@ -968,7 +968,9 @@ static bool parseDialectArgs(CompilerInvocation &res, llvm::opt::ArgList &args,
/// generated.
static bool parseOpenMPArgs(CompilerInvocation &res, llvm::opt::ArgList &args,
clang::DiagnosticsEngine &diags) {
if (!args.hasArg(clang::driver::options::OPT_fopenmp))
llvm::opt::Arg *arg = args.getLastArg(clang::driver::options::OPT_fopenmp,
clang::driver::options::OPT_fno_openmp);
if (!arg || arg->getOption().matches(clang::driver::options::OPT_fno_openmp))
return true;
unsigned numErrorsBefore = diags.getNumErrors();

12
flang/test/Driver/fno-openmp.f90 Normal file
View File

@ -0,0 +1,12 @@
! RUN: %flang_fc1 -fopenmp -fno-openmp %s -emit-hlfir -o - | FileCheck --check-prefix=CHECK-NO-OMP %s
! RUN: %flang_fc1 -fno-openmp %s -emit-hlfir -o - | FileCheck --check-prefix=CHECK-NO-OMP %s
! RUN: %flang_fc1 -fno-openmp -fopenmp %s -emit-hlfir -o - | FileCheck --check-prefix=CHECK-OMP %s
! RUN: %flang_fc1 -fopenmp %s -emit-hlfir -o - | FileCheck --check-prefix=CHECK-OMP %s
subroutine main
! CHECK-NO-OMP-NOT: omp.parallel
! CHECK-OMP: omp.parallel
!$omp parallel
print *,"test"
!$omp end parallel
end subroutine

9
flang/test/Driver/fopenmp.f90
View File

@ -11,6 +11,9 @@
! RUN: %flang -target x86_64-windows-gnu -fopenmp=libgomp -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-FC1-NO-OPENMP --check-prefix=CHECK-WARNING
! RUN: %flang -target x86_64-windows-gnu -fopenmp=libiomp5 -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-FC1-OPENMP
!RUN: %flang -fno-openmp -fopenmp -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-FC1-OPENMP
!RUN: %flang -fopenmp -fno-openmp -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-FC1-NO-OPENMP
! CHECK-FC1-OPENMP: "-fc1"
! CHECK-FC1-OPENMP: "-fopenmp"
!
@ -59,8 +62,14 @@
! RUN: %flang -target x86_64-freebsd -fopenmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-ANY
! RUN: %flang -target x86_64-windows-gnu -fopenmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-ANYMD
!
! RUN: %flang -target x86_64-linux-gnu -fno-openmp -fopenmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-ANY
! RUN: %flang -target x86_64-linux-gnu -fopenmp -fno-openmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-NO-LD-ANY
!
! CHECK-LD-ANY: "{{.*}}ld{{(.exe)?}}"
! CHECK-LD-ANY: "-l{{(omp|gomp|iomp5)}}"
!
! CHECK-NO-LD-ANY: "{{.*}}ld{{(.exe)?}}"
! CHECK-NO-LD-ANY-NOT: "-l{{(omp|gomp|iomp5)}}"
!
! CHECK-LD-ANYMD: "{{.*}}ld{{(.exe)?}}"
! CHECK-LD-ANYMD: "-l{{(omp|gomp|iomp5md)}}"