[clang] [CIR] Upstream overflow builtins (PR #166643)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- clang/test/CIR/CodeGen/builtins-overflow.cpp clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp --diff_from_common_commit
``````````

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in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp b/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp
index 715367666..0c1f84282 100644
--- a/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp
@@ -1016,7 +1016,7 @@ RValue CIRGenFunction::emitBuiltinExpr(const GlobalDecl &gd, unsigned builtinID,
 
     return RValue::get(arithOp.getOverflow());
   }
-      
+
   case Builtin::BI__builtin_uadd_overflow:
   case Builtin::BI__builtin_uaddl_overflow:
   case Builtin::BI__builtin_uaddll_overflow:
@@ -1088,7 +1088,7 @@ RValue CIRGenFunction::emitBuiltinExpr(const GlobalDecl &gd, unsigned builtinID,
 
     return RValue::get(arithOp.getOverflow());
   }
-      
+
   case Builtin::BIaddressof:
   case Builtin::BI__addressof:
   case Builtin::BI__builtin_addressof:

``````````

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https://github.com/llvm/llvm-project/pull/166643