[Beignet] [PATCH 6/7] check basicblock whether empty while add dgbinfo

[Bai Yannan]

Signed-off-by: Bai Yannan <yannan.bai at intel.com>
---
 backend/src/llvm/llvm_gen_backend.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/backend/src/llvm/llvm_gen_backend.cpp b/backend/src/llvm/llvm_gen_backend.cpp
index b75da22..e3b6b13 100644
--- a/backend/src/llvm/llvm_gen_backend.cpp
+++ b/backend/src/llvm/llvm_gen_backend.cpp
@@ -203,7 +203,8 @@ if(OCL_PROFILING){					\
 	llvm::DebugLoc dg; 				\
 	GET_INSN_DBGLOC##FLAG(I); 		\
 	gbe::ir::BasicBlock * bb = ctx.getBlock();				\
-	for(gbe::ir::Instruction *in = bb->getFirstInstruction(); in!=bb->getLastInstruction(); in=bb->getSuccessorInstruction(in) )\
+	if(bb)\
+		for(gbe::ir::Instruction *in = bb->getFirstInstruction(); in!=bb->getLastInstruction(); in=bb->getSuccessorInstruction(in) )\
 		  if(!in->DBGInfo.hasDBGInfo) in->setDBGInfo(dg.getLine(), dg.getCol());\
 	}
 // end define SET_GENIR_DBGINFO
-- 
1.9.1