[flang-commits] [flang] [flang][acc] Implement cache directive lowering (PR #174897)

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Thu Jan 8 09:23:35 PST 2026


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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- flang/include/flang/Optimizer/OpenACC/Support/FIROpenACCOpsInterfaces.h flang/lib/Lower/Bridge.cpp flang/lib/Lower/OpenACC.cpp flang/lib/Optimizer/OpenACC/Support/RegisterOpenACCExtensions.cpp --diff_from_common_commit
``````````

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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/flang/lib/Lower/OpenACC.cpp b/flang/lib/Lower/OpenACC.cpp
index 52cd1c34f..09bea1f35 100644
--- a/flang/lib/Lower/OpenACC.cpp
+++ b/flang/lib/Lower/OpenACC.cpp
@@ -5008,8 +5008,8 @@ genACC(Fortran::lower::AbstractConverter &converter,
 
     // Use acc.cache directly as the variable definition.
     converter.getSymbolMap().addVariableDefinition(
-        symbol, mlir::cast<fir::FortranVariableOpInterface>(
-                    cacheOp.getOperation()));
+        symbol,
+        mlir::cast<fir::FortranVariableOpInterface>(cacheOp.getOperation()));
   }
 }
 
diff --git a/flang/lib/Optimizer/OpenACC/Support/RegisterOpenACCExtensions.cpp b/flang/lib/Optimizer/OpenACC/Support/RegisterOpenACCExtensions.cpp
index 30aa64f0b..6489ef302 100644
--- a/flang/lib/Optimizer/OpenACC/Support/RegisterOpenACCExtensions.cpp
+++ b/flang/lib/Optimizer/OpenACC/Support/RegisterOpenACCExtensions.cpp
@@ -84,7 +84,6 @@ void registerOpenACCExtensions(mlir::DialectRegistry &registry) {
             PartialEntityAccessModel<hlfir::DeclareOp>>(*ctx);
       });
 
-
   // Register FortranVariableOpInterface for OpenACC cache operation
   registry.addExtension(
       +[](mlir::MLIRContext *ctx, mlir::acc::OpenACCDialect *dialect) {

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https://github.com/llvm/llvm-project/pull/174897


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