[Mlir-commits] [mlir] 13237c3 - Add llvm_unreachable after fully covered switch (NFC)

[Mehdi Amini]

Author: Mehdi Amini
Date: 2021-09-15T17:53:05Z
New Revision: 13237c3b1ee0e1b4688e2099b5a458c99b5d93f0

URL: https://github.com/llvm/llvm-project/commit/13237c3b1ee0e1b4688e2099b5a458c99b5d93f0
DIFF: https://github.com/llvm/llvm-project/commit/13237c3b1ee0e1b4688e2099b5a458c99b5d93f0.diff

LOG: Add llvm_unreachable after fully covered switch (NFC)

This fixes a compiler warning for some version of GCC.

Added: 
    

Modified: 
    mlir/lib/Target/Cpp/TranslateToCpp.cpp

Removed: 
    


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diff  --git a/mlir/lib/Target/Cpp/TranslateToCpp.cpp b/mlir/lib/Target/Cpp/TranslateToCpp.cpp
index aae254a14459c..859c6f015109f 100644
--- a/mlir/lib/Target/Cpp/TranslateToCpp.cpp
+++ b/mlir/lib/Target/Cpp/TranslateToCpp.cpp
@@ -668,6 +668,7 @@ bool CppEmitter::shouldMapToUnsigned(IntegerType::SignednessSemantics val) {
   case IntegerType::Unsigned:
     return true;
   }
+  llvm_unreachable("Unexpected IntegerType::SignednessSemantics");
 }
 
 bool CppEmitter::hasValueInScope(Value val) { return valueMapper.count(val); }