Execute SplitIndirectEEtoSelPass earlier

Execute SplitIndirectEEtoSelPass right after LowerGEPForPrivMemPass

Author: mmerecki

IGC/Compiler/CISACodeGen/ShaderCodeGen.cpp

@@ -640,10 +640,17 @@ void AddLegalizationPasses(CodeGenContext& ctx, IGCPassManager& mpm, PSSignature
     }
     else
     {
-            if (IGC_IS_FLAG_ENABLED(AllowMem2Reg))
+        if (IGC_IS_FLAG_ENABLED(AllowMem2Reg))
             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)
     {
@@ -823,12 +830,6 @@ void AddLegalizationPasses(CodeGenContext& ctx, IGCPassManager& mpm, PSSignature
     // Since we don't support switch statements, switch lowering is needed after the last CFG simplication
     mpm.add(llvm::createLowerSwitchPass());
 
-    // There's no particular reason for this exact place, but it should be after LowerGEPForPrivMem
-    if (IGC_IS_FLAG_ENABLED(EnableSplitIndirectEEtoSel))
-    {
-        mpm.add(createSplitIndirectEEtoSelPass());
-    }
-
     // This pass can create constant expression
     if (ctx.m_DriverInfo.HasDoubleLoadStore())
     {