[mlir][flang][openacc] Remove obsolete operand legalization passes

The information needed for translation is now encoded in the dialect
operations and does not require a dedicated pass to be extracted.
Remove the obsolete passes that were performing operand legalization.

Reviewed By: jeanPerier

Differential Revision: https://reviews.llvm.org/D150248

2 files changed, 0 insertions, 11 deletions

diff --git a/flang/include/flang/Optimizer/Transforms/Passes.h b/flang/include/flang/Optimizer/Transforms/Passes.h
index 863e0df1e737..93f78f0646e0 100644
--- a/flang/include/flang/Optimizer/Transforms/Passes.h
+++ b/flang/include/flang/Optimizer/Transforms/Passes.h
@@ -72,7 +72,6 @@ std::unique_ptr<mlir::Pass> createAlgebraicSimplificationPass();
 std::unique_ptr<mlir::Pass>
 createAlgebraicSimplificationPass(const mlir::GreedyRewriteConfig &config);
 std::unique_ptr<mlir::Pass> createPolymorphicOpConversionPass();
-std::unique_ptr<mlir::Pass> createOpenACCDataOperandConversionPass();
 
 // declarative passes
 #define GEN_PASS_REGISTRATION
diff --git a/flang/include/flang/Optimizer/Transforms/Passes.td b/flang/include/flang/Optimizer/Transforms/Passes.td
index e7a7c61b4797..b4cae024248b 100644
--- a/flang/include/flang/Optimizer/Transforms/Passes.td
+++ b/flang/include/flang/Optimizer/Transforms/Passes.td
@@ -286,16 +286,6 @@ def PolymorphicOpConversion : Pass<"fir-polymorphic-op", "::mlir::func::FuncOp">
   ];
 }
 
-def OpenACCDataOperandConversion : Pass<"fir-openacc-data-operand-conversion", "::mlir::func::FuncOp"> {
-  let summary = "Convert the FIR operands in OpenACC ops to LLVM dialect";
-  let dependentDialects = ["mlir::LLVM::LLVMDialect"];
-  let options = [
-    Option<"useOpaquePointers", "use-opaque-pointers", "bool",
-           /*default=*/"true", "Generate LLVM IR using opaque pointers "
-           "instead of typed pointers">,
-  ];
-}
-
 def LoopVersioning : Pass<"loop-versioning", "mlir::func::FuncOp"> {
   let summary = "Loop Versioning";
   let description = [{