From 49c371b319ee11f2fc7e47dfe73c0ef8136d0305 Mon Sep 17 00:00:00 2001
From: Mehdi Amini <joker.eph@gmail.com>
Date: Tue, 25 Aug 2020 23:08:43 +0000
Subject: [PATCH] Add llvm_unreachable after fully covered switch to silence
 some warnings from GCC (NFC)

---
 mlir/lib/Dialect/Vector/VectorOps.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/mlir/lib/Dialect/Vector/VectorOps.cpp b/mlir/lib/Dialect/Vector/VectorOps.cpp
index a0fd7a1..d3eebc3 100644
--- a/mlir/lib/Dialect/Vector/VectorOps.cpp
+++ b/mlir/lib/Dialect/Vector/VectorOps.cpp
@@ -1949,6 +1949,7 @@ public:
     case MaskFormat::Unknown:
       return failure();
     }
+    llvm_unreachable("Unexpected 1DMaskFormat on MaskedLoad");
   }
 };
 } // namespace
@@ -1994,6 +1995,7 @@ public:
     case MaskFormat::Unknown:
       return failure();
     }
+    llvm_unreachable("Unexpected 1DMaskFormat on MaskedStore");
   }
 };
 } // namespace
@@ -2042,6 +2044,7 @@ public:
     case MaskFormat::Unknown:
       return failure();
     }
+    llvm_unreachable("Unexpected 1DMaskFormat on GatherFolder");
   }
 };
 } // namespace
@@ -2085,6 +2088,7 @@ public:
     case MaskFormat::Unknown:
       return failure();
     }
+    llvm_unreachable("Unexpected 1DMaskFormat on ScatterFolder");
   }
 };
 } // namespace
@@ -2134,6 +2138,7 @@ public:
     case MaskFormat::Unknown:
       return failure();
     }
+    llvm_unreachable("Unexpected 1DMaskFormat on ExpandLoadFolder");
   }
 };
 } // namespace
@@ -2180,6 +2185,7 @@ public:
     case MaskFormat::Unknown:
       return failure();
     }
+    llvm_unreachable("Unexpected 1DMaskFormat on CompressStoreFolder");
   }
 };
 } // namespace
-- 
2.7.4