Revert "Move SplitIndirectEEtoSel after MemOpt"

Revert "Move SplitIndirectEEtoSel after MemOpt"

Author: lioujheyu

IGC/Compiler/CISACodeGen/ShaderCodeGen.cpp

@@ -603,6 +603,12 @@ void AddLegalizationPasses(CodeGenContext &ctx, IGCPassManager &mpm, PSSignature
       mpm.add(createPromoteMemoryToRegisterPass());
   }
 
+    // There's no particular reason for this exact place, but it should be after LowerGEPForPrivMem
+  if (IGC_IS_FLAG_ENABLED(EnableSplitIndirectEEtoSel)) {
+    mpm.add(createSplitIndirectEEtoSelPass());
+  }
+
+
   if (ctx.type == ShaderType::OPENCL_SHADER || ctx.type == ShaderType::COMPUTE_SHADER) {
     if (IGC_IS_FLAG_ENABLED(ForceAllPrivateMemoryToSLM)) {
       mpm.add(new PrivateMemoryToSLM(IGC_IS_FLAG_ENABLED(EnableOptReportPrivateMemoryToSLM)));
@@ -693,8 +699,6 @@ void AddLegalizationPasses(CodeGenContext &ctx, IGCPassManager &mpm, PSSignature
     mpm.add(createIGCInstructionCombiningPass());
   }
 
-
-
     if (ctx.hasSyncRTCalls()) {
       mpm.add(createRaytracingStatefulPass());
     }