[flang][HLFIR][NFC] Reduce HLFIR to FIR conversion boilerplate

[tblah]

The pass constructor can be generated automatically.

This pass is module-level and then runs on all relevant intrinsic operations inside of the module, no matter what top level operation they are inside of.

[llvmbot]

@llvm/pr-subscribers-flang-fir-hlfir

Author: Tom Eccles (tblah)

Changes

The pass constructor can be generated automatically.

This pass is module-level and then runs on all relevant intrinsic operations inside of the module, no matter what top level operation they are inside of.

---

Full diff: https://github.com/llvm/llvm-project/pull/93539.diff

4 Files Affected:

• (modified) flang/include/flang/Optimizer/HLFIR/Passes.h (-4)
• (modified) flang/include/flang/Optimizer/HLFIR/Passes.td (-1)
• (modified) flang/include/flang/Tools/CLOptions.inc (+1-1)
• (modified) flang/lib/Optimizer/HLFIR/Transforms/ConvertToFIR.cpp (-4)

diff --git a/flang/include/flang/Optimizer/HLFIR/Passes.h b/flang/include/flang/Optimizer/HLFIR/Passes.h
index edefe36de00c1..83388d0527e19 100644
--- a/flang/include/flang/Optimizer/HLFIR/Passes.h
+++ b/flang/include/flang/Optimizer/HLFIR/Passes.h
@@ -20,10 +20,6 @@
 
 namespace hlfir {
 #define GEN_PASS_DECL
-#include "flang/Optimizer/HLFIR/Passes.h.inc"
-
-std::unique_ptr<mlir::Pass> createConvertHLFIRtoFIRPass();
-
 #define GEN_PASS_REGISTRATION
 #include "flang/Optimizer/HLFIR/Passes.h.inc"
 } // namespace hlfir
diff --git a/flang/include/flang/Optimizer/HLFIR/Passes.td b/flang/include/flang/Optimizer/HLFIR/Passes.td
index 1dd2e3dc81911..ed49f5093c965 100644
--- a/flang/include/flang/Optimizer/HLFIR/Passes.td
+++ b/flang/include/flang/Optimizer/HLFIR/Passes.td
@@ -12,7 +12,6 @@
 include "mlir/Pass/PassBase.td"
 def ConvertHLFIRtoFIR : Pass<"convert-hlfir-to-fir", "::mlir::ModuleOp"> {
   let summary = "Lower High-Level FIR to FIR";
-  let constructor = "hlfir::createConvertHLFIRtoFIRPass()";
   let dependentDialects = [
     "mlir::func::FuncDialect",
   ];
diff --git a/flang/include/flang/Tools/CLOptions.inc b/flang/include/flang/Tools/CLOptions.inc
index bb3c90ebc04d4..61ea7a7f9bbdd 100644
--- a/flang/include/flang/Tools/CLOptions.inc
+++ b/flang/include/flang/Tools/CLOptions.inc
@@ -331,7 +331,7 @@ inline void createHLFIRToFIRPassPipeline(
   pm.addPass(hlfir::createLowerHLFIROrderedAssignments());
   pm.addPass(hlfir::createLowerHLFIRIntrinsics());
   pm.addPass(hlfir::createBufferizeHLFIR());
-  pm.addPass(hlfir::createConvertHLFIRtoFIRPass());
+  pm.addPass(hlfir::createConvertHLFIRtoFIR());
 }
 
 /// Create a pass pipeline for handling certain OpenMP transformations needed
diff --git a/flang/lib/Optimizer/HLFIR/Transforms/ConvertToFIR.cpp b/flang/lib/Optimizer/HLFIR/Transforms/ConvertToFIR.cpp
index e56595d1c8e23..b8823bfa59f8f 100644
--- a/flang/lib/Optimizer/HLFIR/Transforms/ConvertToFIR.cpp
+++ b/flang/lib/Optimizer/HLFIR/Transforms/ConvertToFIR.cpp
@@ -789,7 +789,3 @@ class ConvertHLFIRtoFIR
 };
 
 } // namespace
-
-std::unique_ptr<mlir::Pass> hlfir::createConvertHLFIRtoFIRPass() {
-  return std::make_unique<ConvertHLFIRtoFIR>();
-}

[jeanPerier]

Thanks