[CUDA] Remove three obsolete CUDA cc1 flags.

Summary:
* -fcuda-target-overloads

  Previously unconditionally set to true by the driver.  Necessary for
  correct functioning of the compiler -- our CUDA headers wrapper won't
  compile without this.

* -fcuda-disable-target-call-checks

  Previously unconditionally set to true by the driver.  Necessary to
  compile almost any external CUDA code -- almost all libraries assume
  that host+device code can call host or device functions.

* -fcuda-allow-host-calls-from-host-device

  No effect when target overloading is enabled.

Reviewers: tra

Subscribers: rsmith, cfe-commits

Differential Revision: http://reviews.llvm.org/D18416

llvm-svn: 264739

1 files changed, 0 insertions, 9 deletions

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 6b2e93f21bf..cc657ed5a3f 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1557,15 +1557,6 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
   if (Args.hasArg(OPT_fcuda_is_device))
     Opts.CUDAIsDevice = 1;
 
-  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 (Args.hasArg(OPT_fcuda_target_overloads))
-    Opts.CUDATargetOverloads = 1;
-
   if (Args.hasArg(OPT_fcuda_allow_variadic_functions))
     Opts.CUDAAllowVariadicFunctions = 1;