[OpenMP] Prevent emission of exception handling code when using OpenMP to offload to NVIDIA devices.
Summary: For the OpenMP toolchain which offloads to NVIDIA GPUs make sure that no exception handling code is emitted.
Reviewers: arpith-jacob, sfantao, caomhin, carlo.bertolli, ABataev, Hahnfeld, hfinkel, tstellar
Reviewed By: ABataev, Hahnfeld
Subscribers: rengolin, Hahnfeld, cfe-commits
Differential Revision: https://reviews.llvm.org/D29904
llvm-svn: 310306
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 003ea55..eb73e28 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -2308,6 +2308,13 @@
}
}
+ // Set the flag to prevent the implementation from emitting device exception
+ // handling code for those requiring so.
+ if (Opts.OpenMPIsDevice && T.isNVPTX()) {
+ Opts.Exceptions = 0;
+ Opts.CXXExceptions = 0;
+ }
+
// Get the OpenMP target triples if any.
if (Arg *A = Args.getLastArg(options::OPT_fopenmp_targets_EQ)) {