[llvm] da2ed95 - Fix MSVC "not all control paths return a value" warning. NFC

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2022-07-26T10:44:00+01:00
New Revision: da2ed951ec18ddbab8651d68c7873fe03006d442

URL: https://github.com/llvm/llvm-project/commit/da2ed951ec18ddbab8651d68c7873fe03006d442
DIFF: https://github.com/llvm/llvm-project/commit/da2ed951ec18ddbab8651d68c7873fe03006d442.diff

LOG: Fix MSVC "not all control paths return a value" warning. NFC

Added: 
    

Modified: 
    llvm/utils/TableGen/DXILEmitter.cpp

Removed: 
    


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diff  --git a/llvm/utils/TableGen/DXILEmitter.cpp b/llvm/utils/TableGen/DXILEmitter.cpp
index 2c92912776ce..cd41fbaa6ca1 100644
--- a/llvm/utils/TableGen/DXILEmitter.cpp
+++ b/llvm/utils/TableGen/DXILEmitter.cpp
@@ -144,6 +144,7 @@ static std::string parameterKindToString(ParameterKind Kind) {
   case ParameterKind::DXIL_HANDLE:
     return "DXIL_HANDLE";
   }
+  llvm_unreachable("Unknown llvm::DXIL::ParameterKind enum");
 }
 
 static void emitDXILOpEnum(DXILOperationData &DXILOp, raw_ostream &OS) {