[clang] [llvm] [HLSL] Add support for dynamic resources (PR #221103)

[Justin Bogner via llvm-commits]

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@@ -1063,6 +1063,27 @@ Value *CodeGenFunction::EmitHLSLBuiltinExpr(unsigned BuiltinID,
     return EmitIntrinsicCall(IntrinsicID, {HandleTy, MainHandle->getType()},
                              Args);
   }
+  case Builtin::BI__builtin_hlsl_resource_handlefromheap: {
+    llvm::Type *HandleTy = CGM.getTypes().ConvertType(E->getType());
+    Value *IndexOp = EmitScalarExpr(E->getArg(1));
+    llvm::Intrinsic::ID IntrinsicID =
+        CGM.getHLSLRuntime().getCreateHandleFromHeapIntrinsic();
+    SmallVector<Value *> Args{IndexOp};
+    return Builder.CreateIntrinsic(HandleTy, IntrinsicID, Args);
+  }
+  case Builtin::BI__builtin_hlsl_resource_counterhandlefromheap: {
+    Value *MainHandle = EmitScalarExpr(E->getArg(0));
+    if (!CGM.getTriple().isSPIRV())
+      return MainHandle;
+
+    llvm::Type *HandleTy = CGM.getTypes().ConvertType(E->getType());
+    llvm::Intrinsic::ID IntrinsicID =
+        llvm::Intrinsic::spv_resource_counterhandlefromheap;
+    SmallVector<Value *> Args{MainHandle};
+    return EmitIntrinsicCall(IntrinsicID, {HandleTy, MainHandle->getType()},
+                             Args);
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bogner wrote:

Same

https://github.com/llvm/llvm-project/pull/221103