================
@@ -492,6 +493,18 @@ void Flang::addOffloadOptions(Compilation &C, const
InputInfoList &Inputs,
if (Args.hasArg(options::OPT_nogpulib))
CmdArgs.push_back("-nogpulib");
}
+
+ // For all the host OpenMP offloading compile jobs we need to pass the
targets
+ // information using -fopenmp-targets= option.
+ if (JA.isHostOffloading(Action::OFK_OpenMP)) {
+ SmallString<128> Targets("-fopenmp-targets=");
+
+ SmallVector<std::string, 4> Triples;
+ auto TCRange = C.getOffloadToolChains<Action::OFK_OpenMP>();
+ std::transform(TCRange.first, TCRange.second, std::back_inserter(Triples),
+ [](auto TC) { return TC.second->getTripleString(); });
+ CmdArgs.push_back(Args.MakeArgString(Targets + llvm::join(Triples, ",")));
----------------
Meinersbur wrote:
```suggestion
CmdArgs.push_back(Args.MakeArgString(Twine(Targets) + llvm::join(Triples,
",")));
```
To make it work with StringRef (`MakeArgString` takes a `Twine` and uses
`SmallString` internally). That is, just do
```suggestion
CmdArgs.push_back(Args.MakeArgString(Twine("-fopenmp-targets") +
llvm::join(Triples, ",")));
```
https://github.com/llvm/llvm-project/pull/100152
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