Author: Simon Pilgrim
Date: 2026-02-09T10:59:37Z
New Revision: 1d61ac2d41d9c77d02af4ac149d83b52eb782704

URL: 
https://github.com/llvm/llvm-project/commit/1d61ac2d41d9c77d02af4ac149d83b52eb782704
DIFF: 
https://github.com/llvm/llvm-project/commit/1d61ac2d41d9c77d02af4ac149d83b52eb782704.diff

LOG: [clang][amdgpu] mapCABIAtomicOrdering - fix MSVC not all control paths 
return a value warning. NFC. (#180500)

Added: 
    

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

Removed: 
    


################################################################################
diff  --git a/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp 
b/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp
index e923c285eff28..d3a2b08fb7a98 100644
--- a/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp
+++ b/clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp
@@ -290,6 +290,7 @@ static llvm::AtomicOrdering mapCABIAtomicOrdering(unsigned 
AO) {
   case llvm::AtomicOrderingCABI::relaxed:
     return llvm::AtomicOrdering::Monotonic;
   }
+  llvm_unreachable("Unknown AtomicOrderingCABI enum");
 }
 
 // For processing memory ordering and memory scope arguments of various


        
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