[llvm] [DXIL] Add GroupMemoryBarrierWithGroupSync intrinsic (PR #114349)

[Justin Bogner via llvm-commits]

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@@ -157,14 +185,23 @@ DXILOperationDesc::DXILOperationDesc(const Record *R) {
                            OpName);
   }
 
-  const RecordVal *RV = R->getValue("LLVMIntrinsic");
-  if (RV && RV->getValue()) {
-    if (const DefInit *DI = dyn_cast<DefInit>(RV->getValue())) {
-      auto *IntrinsicDef = DI->getDef();
-      auto DefName = IntrinsicDef->getName();
-      assert(DefName.starts_with("int_") && "invalid intrinsic name");
-      // Remove the int_ from intrinsic name.
-      Intrinsic = DefName.substr(4);
+  auto IntrinsicSelectRecords = R->getValueAsListOfDefs("intrinsic_selects");
+  if (IntrinsicSelectRecords.size()) {
+    if (IntrinsicSelects.size()) {
+      PrintFatalError(
+          R, Twine("LLVMIntrinsic and intrinsic_selects cannot be both "
+                   "defined for DXIL operation - ") +
+                 OpName);
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bogner wrote:

This is either no longer possible or no longer the correct error message.

https://github.com/llvm/llvm-project/pull/114349