Add GRFSpill to compiler output

Add GRFSpill to compiler output

Author: iwwu

IGC/Compiler/CISACodeGen/CISABuilder.cpp

@@ -6506,6 +6506,7 @@ namespace IGC
         if (jitInfo->isSpill == true)
         {
             pOutput->m_scratchSpaceUsedBySpills = jitInfo->spillMemUsed;
+            pOutput->m_numGRFSpillFill = jitInfo->numGRFSpillFill;
         }
 
         pOutput->setScratchSpaceUsedByShader(m_program->m_ScratchSpaceSize);

IGC/Compiler/CodeGenPublic.h

@@ -138,6 +138,7 @@ namespace IGC
         bool            m_SeparatingSpillAndPrivateScratchMemorySpace = false;
         unsigned int m_scratchSpaceSizeLimit = 0;
         unsigned int m_numGRFTotal = 128;
+        unsigned int m_numGRFSpillFill = 0;
         using NamedVISAAsm = std::pair<std::string, std::string>; // Pair of name for the section (1st elem) and VISA asm text (2nd elem).
         std::vector<NamedVISAAsm> m_VISAAsm;