[llvm] [DirectX] Add support for Raw Buffer Loads and Stores for scalars and vectors of doubles and i64s in SM6.2 and earlier (PR #146627)

[Farzon Lotfi via llvm-commits]

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@@ -71,17 +80,20 @@ static bool isIntrinsicExpansion(Function &F) {
   case Intrinsic::vector_reduce_add:
   case Intrinsic::vector_reduce_fadd:
     return true;
-  case Intrinsic::dx_resource_load_typedbuffer: {
-    // We need to handle i64, doubles, and vectors of them.
-    Type *ScalarTy =
-        F.getReturnType()->getStructElementType(0)->getScalarType();
-    return ScalarTy->isDoubleTy() || ScalarTy->isIntegerTy(64);
-  }
-  case Intrinsic::dx_resource_store_typedbuffer: {
-    // We need to handle i64 and doubles and vectors of i64 and doubles.
-    Type *ScalarTy = F.getFunctionType()->getParamType(2)->getScalarType();
-    return ScalarTy->isDoubleTy() || ScalarTy->isIntegerTy(64);
-  }
+  case Intrinsic::dx_resource_load_rawbuffer:
+    return resourceAccessNeeds64BitExpansion(
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farzonl wrote:

I like how this turned out. Thanks for the change!

https://github.com/llvm/llvm-project/pull/146627