================
@@ -129,6 +129,22 @@ AMDGPUOpenMPToolChain::GetCXXStdlibType(const ArgList
&Args) const {
void AMDGPUOpenMPToolChain::AddClangSystemIncludeArgs(
const ArgList &DriverArgs, ArgStringList &CC1Args) const {
HostTC.AddClangSystemIncludeArgs(DriverArgs, CC1Args);
+
+ CC1Args.push_back("-internal-isystem");
+ SmallString<128> P(HostTC.getDriver().ResourceDir);
+ llvm::sys::path::append(P, "include/cuda_wrappers");
+ CC1Args.push_back(DriverArgs.MakeArgString(P));
+
+ // Force USM mode will forcefully include #pragma omp requires
+ // unified_shared_memory via the force_usm header
+ // XXX This may result in a compilation error if the source
+ // file already includes that pragma.
+ if (DriverArgs.hasArg(options::OPT_fopenmp_force_usm)) {
+ CC1Args.push_back("-include");
+ CC1Args.push_back(
+ DriverArgs.MakeArgString(HostTC.getDriver().ResourceDir +
+ "/include/openmp_wrappers/force_usm.h"));
----------------
jhuber6 wrote:
I don't think this is a good way to handle this. We should make this a CC1
argument, forward it in the standard way, and make `CGOpenMPRuntime` always
emit the associated runtime call.
Also note that I'm planning on removing the current "requires" handling because
emitting spurious global constructors into the runtime is difficult to work
around.
https://github.com/llvm/llvm-project/pull/75468
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