================
@@ -764,6 +762,32 @@ void Flang::ConstructJob(Compilation &C, const JobAction
&JA,
// Add other compile options
addOtherOptions(Args, CmdArgs);
+ // Forward flags for OpenMP. We don't do this if the current action is an
+ // device offloading action other than OpenMP.
+ if (Args.hasFlag(options::OPT_fopenmp, options::OPT_fopenmp_EQ,
+ options::OPT_fno_openmp, false) &&
+ (JA.isDeviceOffloading(Action::OFK_None) ||
+ JA.isDeviceOffloading(Action::OFK_OpenMP))) {
+ switch (D.getOpenMPRuntime(Args)) {
+ case Driver::OMPRT_OMP:
+ case Driver::OMPRT_IOMP5:
+ // Clang can generate useful OpenMP code for these two runtime libraries.
+ CmdArgs.push_back("-fopenmp");
+ Args.AddAllArgs(CmdArgs, options::OPT_fopenmp_version_EQ);
+
+ // FIXME: Clang supports a whole bunch more flags here.
+ break;
+ default:
----------------
tblah wrote:
To clarify, clang::Driver::getOpenMPRuntime does output an error (which we
should test for), but currently we appear not to support libgomp, which clang
does and so an error would not be produced in this case
https://github.com/llvm/llvm-project/pull/86816
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