[clang] [clang] Allow 'convergent' to be a statement attribute (PR #100637)

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``````````bash
git-clang-format --diff 52b6b1eb976341956c9c75f6572c37d445fcb332 d9de73264bf4d555e7e09a2c2687eae72c1fa19e --extensions h,cpp -- clang/lib/CodeGen/CGCall.cpp clang/lib/CodeGen/CGStmt.cpp clang/lib/CodeGen/CodeGenFunction.h clang/lib/Sema/SemaStmtAttr.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index d73feb4382..d11fe5795c 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -5638,8 +5638,7 @@ RValue CodeGenFunction::EmitCall(const CGFunctionInfo &CallInfo,
 
   // Add call-site convergent attribute if exists.
   if (InConvergentAttributedStmt)
-    Attrs =
-        Attrs.addFnAttribute(getLLVMContext(), llvm::Attribute::Convergent);
+    Attrs = Attrs.addFnAttribute(getLLVMContext(), llvm::Attribute::Convergent);
 
   // Apply some call-site-specific attributes.
   // TODO: work this into building the attribute set.

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https://github.com/llvm/llvm-project/pull/100637