update llvm stats after all the optimzations for cos dumping

update llvm stats after all the optimizations for cos dumping

Author: fftzeng

IGC/Compiler/CISACodeGen/ShaderCodeGen.cpp

@@ -357,6 +357,9 @@ static void AddAnalysisPasses(CodeGenContext& ctx, IGCPassManager& mpm)
     }
     mpm.add(createFixInvalidFuncNamePass());
 
+    // collect stats after all the optimization. This info can be dumped to the cos file
+    mpm.add(new CheckInstrTypes(&(ctx.m_instrTypesAfterOpts), nullptr));
+
     //
     // Generally, passes that change IR should be prior to this place!
     //

IGC/Compiler/CodeGenPublic.h

@@ -1067,6 +1067,7 @@ namespace IGC
         PushConstantMode m_pushConstantMode = PushConstantMode::DEFAULT;
 
         SInstrTypes m_instrTypes;
+        SInstrTypes m_instrTypesAfterOpts;
 
         /////  used for instruction statistic before/after pass
         int instrStat[TOTAL_TYPES][TOTAL_STAGE];