[llvm] 73f0981 - Fix MSVC "'GetVMSetForLMul': not all control paths return a value" warning. NFC.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2023-07-19T18:55:37+01:00
New Revision: 73f09814ee8bbd9f06a54c169ce9370bdf0b11e9

URL: https://github.com/llvm/llvm-project/commit/73f09814ee8bbd9f06a54c169ce9370bdf0b11e9
DIFF: https://github.com/llvm/llvm-project/commit/73f09814ee8bbd9f06a54c169ce9370bdf0b11e9.diff

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

Added: 
    

Modified: 
    llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
index d36492ac67809a..b9d24df3a65629 100644
--- a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
@@ -3255,6 +3255,7 @@ static unsigned GetVMSetForLMul(RISCVII::VLMUL LMUL) {
   case RISCVII::LMUL_RESERVED:
     llvm_unreachable("Unexpected LMUL");
   }
+  llvm_unreachable("Unknown VLMUL enum");
 }
 
 // Try to fold away VMERGE_VVM instructions. We handle these cases: