Create a frontend flag to disable CUDA cross-target call checks
For CUDA source, Sema checks that the targets of call expressions make sense
(e.g. a host function can't call a device function).
Adding a flag that lets us skip this check. Motivation: for source-to-source
translation tools that have to accept code that's not strictly kosher CUDA but
is still accepted by nvcc. The source-to-source translation tool can then fix
the code and leave calls that are semantically valid for the actual compilation
stage.
Differential Revision: http://reviews.llvm.org/D9036
llvm-svn: 235049
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 968f212..da1a088 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1375,6 +1375,9 @@
if (Args.hasArg(OPT_fcuda_allow_host_calls_from_host_device))
Opts.CUDAAllowHostCallsFromHostDevice = 1;
+ if (Args.hasArg(OPT_fcuda_disable_target_call_checks))
+ Opts.CUDADisableTargetCallChecks = 1;
+
if (Opts.ObjC1) {
if (Arg *arg = Args.getLastArg(OPT_fobjc_runtime_EQ)) {
StringRef value = arg->getValue();