[CUDA] Don't try to run sanitizers on NVPTX.

Summary:
Sanitizers aren't supported on NVPTX -- don't try to run them.

This lets you e.g. pass -fsanitize=address and get asan on your host
code.

Reviewers: kcc

Subscribers: cfe-commits, tra, jhen

Differential Revision: https://reviews.llvm.org/D24640

llvm-svn: 281680

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/lib/Driver/SanitizerArgs.cpp b/clang/lib/Driver/SanitizerArgs.cpp
index 8ba8e53e007..7f1f6715fdd 100644
--- a/clang/lib/Driver/SanitizerArgs.cpp
+++ b/clang/lib/Driver/SanitizerArgs.cpp
@@ -608,6 +608,12 @@ static void addIncludeLinkerOption(const ToolChain &TC,
 void SanitizerArgs::addArgs(const ToolChain &TC, const llvm::opt::ArgList &Args,
                             llvm::opt::ArgStringList &CmdArgs,
                             types::ID InputType) const {
+  // NVPTX doesn't currently support sanitizers.  Bailing out here means that
+  // e.g. -fsanitize=address applies only to host code, which is what we want
+  // for now.
+  if (TC.getTriple().isNVPTX())
+    return;
+
   // Translate available CoverageFeatures to corresponding clang-cc1 flags.
   // Do it even if Sanitizers.empty() since some forms of coverage don't require
   // sanitizers.