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Add unreachable to avoid GCC -Wreturn-type warning 

GCC warns of control reaching end of non-void function (-Wreturn-type).

Closes tensorflow/mlir#75

PiperOrigin-RevId: 263214601
This commit is contained in:
jpienaar 2019-08-13 14:22:58 -07:00 committed by A. Unique TensorFlower
parent b09dfcb1d7
commit 12ff145ebf
1 changed files with 3 additions and 0 deletions
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3
mlir/lib/TableGen/Pattern.cpp
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@ -193,6 +193,7 @@ int tblgen::SymbolInfoMap::SymbolInfo::getStaticValueCount() const {
case Kind::Result:
return op->getNumResults();
}
llvm_unreachable("unknown kind");
}
std::string
@ -212,6 +213,7 @@ tblgen::SymbolInfoMap::SymbolInfo::getVarDecl(StringRef name) const {
return formatv("{0} {1};\n", op->getQualCppClassName(), name);
}
}
llvm_unreachable("unknown kind");
}
std::string
@ -243,6 +245,7 @@ tblgen::SymbolInfoMap::SymbolInfo::getValueAndRangeUse(StringRef name,
return name;
}
}
llvm_unreachable("unknown kind");
}
bool tblgen::SymbolInfoMap::bindOpArgument(StringRef symbol, const Operator &op,