[flang-commits] [flang] [flang] Set common linkage to common block with zero initializer (PR #179548)

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


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- flang/lib/Optimizer/CodeGen/CodeGen.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/flang/lib/Optimizer/CodeGen/CodeGen.cpp b/flang/lib/Optimizer/CodeGen/CodeGen.cpp
index 619ff61b7..faf722b55 100644
--- a/flang/lib/Optimizer/CodeGen/CodeGen.cpp
+++ b/flang/lib/Optimizer/CodeGen/CodeGen.cpp
@@ -3345,12 +3345,14 @@ struct GlobalOpConversion : public fir::FIROpConversion<fir::GlobalOp> {
           rewriter.setInsertionPointAfter(insertOp);
           rewriter.replaceOpWithNewOp<mlir::arith::ConstantOp>(
               insertOp, seqTyAttr, denseAttr);
-          if (auto intAttr = mlir::dyn_cast<mlir::IntegerAttr>(constant.getValue()))
+          if (auto intAttr =
+                  mlir::dyn_cast<mlir::IntegerAttr>(constant.getValue()))
             if (intAttr.getInt() == 0)
               ++nbZeroInitializers;
         }
       }
-      if (nbRanges > 0 && nbRanges == nbZeroInitializers && linkage == mlir::LLVM::Linkage::External)
+      if (nbRanges > 0 && nbRanges == nbZeroInitializers &&
+          linkage == mlir::LLVM::Linkage::External)
         g.setLinkage(mlir::LLVM::Linkage::Common);
     }
 

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https://github.com/llvm/llvm-project/pull/179548