[Beignet] [PATCH 1/3] do not include llvm/clang headers for libgbeinterp

[Guo Yejun]

libgbeinterp does not depend on llvm/clange, so remove these header
files for code clean.

Signed-off-by: Guo Yejun <yejun.guo at intel.com>
---
 backend/src/backend/gen_program.cpp | 6 +++++-
 backend/src/backend/program.cpp     | 7 +++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/backend/src/backend/gen_program.cpp b/backend/src/backend/gen_program.cpp
index 46fcb67..2e391e1 100644
--- a/backend/src/backend/gen_program.cpp
+++ b/backend/src/backend/gen_program.cpp
@@ -22,6 +22,7 @@
  * \author Benjamin Segovia <benjamin.segovia at intel.com>
  */
 
+#ifdef GBE_COMPILER_AVAILABLE
 #include "llvm/Config/llvm-config.h"
 #if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR <= 2
 #include "llvm/LLVMContext.h"
@@ -45,6 +46,7 @@
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/IRReader/IRReader.h"
+#endif
 
 #include "backend/program.h"
 #include "backend/gen_program.h"
@@ -56,10 +58,12 @@
 #include "backend/gen/gen_mesa_disasm.h"
 #include "backend/gen_reg_allocation.hpp"
 #include "ir/unit.hpp"
+
+#ifdef GBE_COMPILER_AVAILABLE
 #include "llvm/llvm_to_gen.hpp"
 #include "llvm/llvm_gen_backend.hpp"
-
 #include <clang/CodeGen/CodeGenAction.h>
+#endif
 
 #include <cstring>
 #include <sstream>
diff --git a/backend/src/backend/program.cpp b/backend/src/backend/program.cpp
index 971071e..abdb1e4 100644
--- a/backend/src/backend/program.cpp
+++ b/backend/src/backend/program.cpp
@@ -31,12 +31,16 @@
 #include "ir/value.hpp"
 #include "ir/unit.hpp"
 #include "ir/printf.hpp"
+
+#ifdef GBE_COMPILER_AVAILABLE
 #include "llvm/llvm_to_gen.hpp"
 #include "llvm/Config/llvm-config.h"
 #include "llvm/Support/Threading.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Transforms/Utils/Cloning.h"
 #include "llvm/IR/LLVMContext.h"
+#endif
+
 #include <cstring>
 #include <algorithm>
 #include <fstream>
@@ -46,6 +50,7 @@
 #include <unistd.h>
 #include <mutex>
 
+#ifdef GBE_COMPILER_AVAILABLE
 /* Not defined for LLVM 3.0 */
 #if !defined(LLVM_VERSION_MAJOR)
 #define LLVM_VERSION_MAJOR 3
@@ -75,6 +80,8 @@
 #endif  /* LLVM_VERSION_MINOR <= 2 */
 #include <llvm/Bitcode/ReaderWriter.h>
 #include <llvm/Support/raw_ostream.h>
+#endif
+
 #include "src/GBEConfig.h"
 
 namespace gbe {
-- 
1.9.1