[llvm] [LLVM-Tablegen] Explicit Type Constraints for Overloaded LLVM Intrinsics (PR #172442)

[Dharuni R Acharya via llvm-commits]

================
@@ -589,10 +607,29 @@ FunctionType *Intrinsic::getType(LLVMContext &Context, ID id,
   ArrayRef<IITDescriptor> TableRef = Table;
   Type *ResultTy = DecodeFixedType(TableRef, Tys, Context);
 
+  if (!TableRef.empty() &&
+      TableRef[0].Kind == IITDescriptor::ArgumentTypeConstraint) {
+    unsigned NumConstraints = TableRef[0].getArgumentNumConstraints();
+    TableRef = TableRef.slice(1);
----------------
DharuniRAcharya wrote:

Replaced all instances of `slice(1)` with `drop_front()` in the latest revision. 

https://github.com/llvm/llvm-project/pull/172442