[clang] bf84e84 - [clang][amdgpu] getLLVMSyncScopeStr - fix MSVC not all control paths return a value warning. NFC. (#180501)

[via cfe-commits]

Author: Simon Pilgrim
Date: 2026-02-09T10:55:40Z
New Revision: bf84e84f06ce4e752b54acb6af2c947ce62692d0

URL: https://github.com/llvm/llvm-project/commit/bf84e84f06ce4e752b54acb6af2c947ce62692d0
DIFF: https://github.com/llvm/llvm-project/commit/bf84e84f06ce4e752b54acb6af2c947ce62692d0.diff

LOG: [clang][amdgpu] getLLVMSyncScopeStr - fix MSVC not all control paths return a value warning. NFC. (#180501)

Added: 
    

Modified: 
    clang/lib/CodeGen/Targets/AMDGPU.cpp

Removed: 
    


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diff  --git a/clang/lib/CodeGen/Targets/AMDGPU.cpp b/clang/lib/CodeGen/Targets/AMDGPU.cpp
index 27e937b81129d..4ac7f42289d6d 100644
--- a/clang/lib/CodeGen/Targets/AMDGPU.cpp
+++ b/clang/lib/CodeGen/Targets/AMDGPU.cpp
@@ -525,6 +525,7 @@ StringRef AMDGPUTargetCodeGenInfo::getLLVMSyncScopeStr(
   case SyncScope::OpenCLAllSVMDevices:
     return IsOneAs ? "one-as" : "";
   }
+  llvm_unreachable("Unknown SyncScope enum");
 }
 
 void AMDGPUTargetCodeGenInfo::setTargetAtomicMetadata(