[OPENMP] Add option '-fopenmp-version=[31|40|45]' allowing choosing
OpenMP version.
If '-fopenmp' option is provided '-fopenmp-version=' allows to control,
which version of OpenMP must be supported. Currently it affects only the
value of _OPENMP define.
llvm-svn: 270838
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index aa1c5a0..032c9c1 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1960,18 +1960,23 @@
Opts.OpenMPIsDevice =
Opts.OpenMP && Args.hasArg(options::OPT_fopenmp_is_device);
- // Provide diagnostic when a given target is not expected to be an OpenMP
- // device or host.
- if (Opts.OpenMP && !Opts.OpenMPIsDevice) {
- switch (T.getArch()) {
- default:
- break;
- // Add unsupported host targets here:
- case llvm::Triple::nvptx:
- case llvm::Triple::nvptx64:
- Diags.Report(clang::diag::err_drv_omp_host_target_not_supported)
- << TargetOpts.Triple;
- break;
+ if (Opts.OpenMP) {
+ if (int Version = getLastArgIntValue(Args, OPT_fopenmp_version_EQ,
+ Opts.OpenMP, Diags))
+ Opts.OpenMP = Version;
+ // Provide diagnostic when a given target is not expected to be an OpenMP
+ // device or host.
+ if (!Opts.OpenMPIsDevice) {
+ switch (T.getArch()) {
+ default:
+ break;
+ // Add unsupported host targets here:
+ case llvm::Triple::nvptx:
+ case llvm::Triple::nvptx64:
+ Diags.Report(clang::diag::err_drv_omp_host_target_not_supported)
+ << TargetOpts.Triple;
+ break;
+ }
}
}