add hotzone overload

add hotzone overload

Author: scottp101

IGC/AdaptorCommon/RayTracing/AutoGenRTStackAccessPrivateOS.h

@@ -277,6 +277,30 @@ static Type* _struct_RTStackFormat__SWHotZone_v2(Module &M)
     return StructType::create(M.getContext(), Tys, StructName, false);
   }();
 }
+static Type* _struct_RTStackFormat__SWHotZone_v3(Module &M)
+{
+  return
+  [&] {
+    StringRef StructName = "struct.RTStackFormat::SWHotZone_v3";
+    if (auto *Ty = IGCLLVM::getTypeByName(M, StructName))
+      return Ty;
+    Type* Tys[] = {
+      IntegerType::get(M.getContext(), 32),
+      [&] {
+        auto *EltTy =
+          IntegerType::get(M.getContext(), 32);
+        return ArrayType::get(EltTy, 3);
+      }(),
+      IntegerType::get(M.getContext(), 32),
+      [&] {
+        auto *EltTy =
+          IntegerType::get(M.getContext(), 32);
+        return ArrayType::get(EltTy, 3);
+      }(),
+    };
+    return StructType::create(M.getContext(), Tys, StructName, false);
+  }();
+}
 static Type* _struct_IGC__RayDispatchGlobalData(Module &M)
 {
   return
@@ -739,6 +763,12 @@ static Type* _gettype_SWHotZone_v2(Module &M)
   _struct_RTStackFormat__SWHotZone_v2(M);
 }
 
+static Type* _gettype_SWHotZone_v3(Module &M)
+{
+  return
+  _struct_RTStackFormat__SWHotZone_v3(M);
+}
+
 static Type* _gettype_RayDispatchGlobalData(Module &M)
 {
   return

IGC/AdaptorCommon/RayTracing/RTBuilder.cpp

@@ -1724,6 +1724,17 @@ void RTBuilder::setDisableRTGlobalsKnownValues(bool Disable) {
 }
 
 
+GenIntrinsicInst* RTBuilder::createDummyInstID(Value* pSrcVal)
+{
+    Module* module = GetInsertBlock()->getModule();
+    Function* pFunc = GenISAIntrinsic::getDeclaration(
+        module,
+        GenISAIntrinsic::GenISA_dummyInstID,
+        pSrcVal->getType());
+    auto* CI = CreateCall(pFunc, pSrcVal);
+    return cast<GenIntrinsicInst>(CI);
+}
+
 CallInst* RTBuilder::ctlz(Value* V)
 {
     auto* Ctlz = Intrinsic::getDeclaration(

IGC/AdaptorCommon/RayTracing/RTBuilder.h

@@ -453,6 +453,8 @@ class RTBuilder : public IGCIRBuilder<>
     Type* getRayDispatchGlobalDataPtrTy(Module &M);
 
 
+    GenIntrinsicInst* createDummyInstID(Value* pSrcVal);
+
     CallInst* ctlz(Value* V);
 
     void createPotentialHit2CommittedHit(StackPointerVal* StackPtr);

IGC/AdaptorCommon/RayTracing/RTStackFormat.h

@@ -904,6 +904,17 @@ struct alignas(LSC_WRITE_GRANULARITY) SWHotZone_v2
     // pad to LSC write granularity (16B on Gen12)
 };
 
+struct alignas(LSC_WRITE_GRANULARITY) SWHotZone_v3
+{
+    uint32_t StackOffset;
+    uint32_t DispatchRaysIndex[3];
+
+    uint32_t Complete;
+
+    // pad to LSC write granularity (16B on Gen12)
+    uint32_t Pad[3];
+};
+
 constexpr uint32_t StackFrameAlign = 16;
 static_assert(IGC::RTStackAlign % LSC_WRITE_GRANULARITY == 0, "not aligned to write granularity?");