[Beignet] [PATCH 3/6] Debug Support: Pass debug infomation to GEN IR

[Bai Yannan]

    1. Add a structure DBGInfo in Instruction class, storing debug infomation.
    2. Pass debug information from context to GEN IR, if OCL_PROFILING is true.

Signed-off-by: Yannan Bai <yannan.bai at intel.com>
Signed-off-by: Meng Lv <meng.lv at intel.com>
---
 backend/src/ir/context.cpp     | 1 +
 backend/src/ir/instruction.hpp | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/backend/src/ir/context.cpp b/backend/src/ir/context.cpp
index 3f52b17..b9078f4 100644
--- a/backend/src/ir/context.cpp
+++ b/backend/src/ir/context.cpp
@@ -162,6 +162,7 @@ namespace ir {
     // Append the instruction in the stream
     Instruction *insnPtr = fn->newInstruction(insn);
     bb->append(*insnPtr);
+    insnPtr->setDBGInfo(this->DBGInfo.line, this->DBGInfo.col);
 #if GBE_DEBUG
     std::string whyNot;
     if(getUnit().getValid())
diff --git a/backend/src/ir/instruction.hpp b/backend/src/ir/instruction.hpp
index 3f3c655..1bf725c 100644
--- a/backend/src/ir/instruction.hpp
+++ b/backend/src/ir/instruction.hpp
@@ -185,6 +185,7 @@ namespace ir {
     void remove(void);
     /* Insert the instruction after the previous one. */
     void insert(Instruction *prev, Instruction ** new_ins = NULL);
+    void setDBGInfo(uint32_t line, uint32_t col) { DBGInfo.line = line; DBGInfo.col = col; }
     /*! Indicates if the instruction belongs to instruction type T. Typically, T
      *  can be BinaryInstruction, UnaryInstruction, LoadInstruction and so on
      */
@@ -194,6 +195,10 @@ namespace ir {
     /*! max_src for store instruction (vec16 + addr) */
     static const uint32_t MAX_SRC_NUM = 32;
     static const uint32_t MAX_DST_NUM = 32;
+    struct {
+      uint32_t line;
+      uint32_t col;
+    } DBGInfo;
   protected:
     BasicBlock *parent;      //!< The basic block containing the instruction
     GBE_CLASS(Instruction);  //!< Use internal allocators
-- 
1.9.1