OpenCL: add support for __kernel, kernel keywords and EXTENSION,

FP_CONTRACT pragmas.  Patch originally by ARM.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125475 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/Parse/Parser.cpp b/lib/Parse/Parser.cpp
index 8273d5e2d1..a50763a0e3 100644
--- a/lib/Parse/Parser.cpp
+++ b/lib/Parse/Parser.cpp
@@ -53,6 +53,14 @@ Parser::Parser(Preprocessor &pp, Sema &actions)
 
   FPContractHandler.reset(new PragmaFPContractHandler(actions, *this));
   PP.AddPragmaHandler("STDC", FPContractHandler.get());
+
+  if (getLang().OpenCL) {
+    OpenCLExtensionHandler.reset(
+                  new PragmaOpenCLExtensionHandler(actions, *this));
+    PP.AddPragmaHandler("OPENCL", OpenCLExtensionHandler.get());
+
+    PP.AddPragmaHandler("OPENCL", FPContractHandler.get());
+  }
       
   PP.setCodeCompletionHandler(*this);
 }
@@ -363,6 +371,13 @@ Parser::~Parser() {
   UnusedHandler.reset();
   PP.RemovePragmaHandler(WeakHandler.get());
   WeakHandler.reset();
+
+  if (getLang().OpenCL) {
+    PP.RemovePragmaHandler("OPENCL", OpenCLExtensionHandler.get());
+    OpenCLExtensionHandler.reset();
+    PP.RemovePragmaHandler("OPENCL", FPContractHandler.get());
+  }
+
   PP.RemovePragmaHandler("STDC", FPContractHandler.get());
   FPContractHandler.reset();
   PP.clearCodeCompletionHandler();