Fix a warning about an unreachable default in a switch statement.

Subscribers: mehdi_amini, rriddle, jpienaar, burmako, shauheen, antiagainst, nicolasvasilache, arpith-jacob, mgester, lucyrfox, liufengdb, Joonsoo, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D75663

diff --git a/mlir/lib/Dialect/StandardOps/IR/Ops.cpp b/mlir/lib/Dialect/StandardOps/IR/Ops.cpp
index 8e7233e..2131497 100644 (file)
--- a/mlir/lib/Dialect/StandardOps/IR/Ops.cpp
+++ b/mlir/lib/Dialect/StandardOps/IR/Ops.cpp
@@ -695,9 +695,8 @@ static bool applyCmpPredicate(CmpFPredicate predicate, const APFloat &lhs,
     return cmpResult == APFloat::cmpUnordered;
   case CmpFPredicate::AlwaysTrue:
     return true;
-  default:
-    llvm_unreachable("unknown comparison predicate");
   }
+  llvm_unreachable("unknown comparison predicate");
 }
 
 // Constant folding hook for comparisons.