https://github.com/andykaylor created
https://github.com/llvm/llvm-project/pull/154609
This fixes a warning about having a default case in a fully covered enum switch
statement.
>From 104c44d33c82a68457dd3f5d947556a0aae1af2e Mon Sep 17 00:00:00 2001
From: Andy Kaylor <akay...@nvidia.com>
Date: Wed, 20 Aug 2025 13:39:39 -0700
Subject: [PATCH] [CIR][NFC] Fix warning in MemOrder lowering
This fixes a warning about having a default case in a fully covered enum
switch statement.
---
clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
b/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
index ed5d9b83fc60e..9972d7612105d 100644
--- a/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
+++ b/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
@@ -1181,9 +1181,8 @@ getLLVMMemOrder(std::optional<cir::MemOrder> memorder) {
return mlir::LLVM::AtomicOrdering::acq_rel;
case cir::MemOrder::SequentiallyConsistent:
return mlir::LLVM::AtomicOrdering::seq_cst;
- default:
- llvm_unreachable("unknown memory order");
}
+ llvm_unreachable("unknown memory order");
}
mlir::LogicalResult CIRToLLVMLoadOpLowering::matchAndRewrite(
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