[llvm] da4baa9 - Fix MSVC "not all control paths return a value" warning. NFC.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2022-10-24T17:55:01+01:00
New Revision: da4baa9ebe76c6ed405424a80b582473904a185e

URL: https://github.com/llvm/llvm-project/commit/da4baa9ebe76c6ed405424a80b582473904a185e
DIFF: https://github.com/llvm/llvm-project/commit/da4baa9ebe76c6ed405424a80b582473904a185e.diff

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

Added: 
    

Modified: 
    llvm/lib/Target/AArch64/AArch64InstrInfo.h

Removed: 
    


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diff  --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.h b/llvm/lib/Target/AArch64/AArch64InstrInfo.h
index c24322295043c..c7fd94d1a9260 100644
--- a/llvm/lib/Target/AArch64/AArch64InstrInfo.h
+++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.h
@@ -508,6 +508,7 @@ static inline unsigned getXPACOpcodeForKey(AArch64PACKey::ID K) {
   case IA: case IB: return AArch64::XPACI;
   case DA: case DB: return AArch64::XPACD;
   }
+  llvm_unreachable("Unhandled AArch64PACKey::ID enum");
 }
 
 /// Return AUT opcode to be used for a ptrauth auth using the given key, or its