[flang-commits] [flang] [flang, nfc] Initial changes needed to use llvm intrinsics instead of regular calls (PR #134170)

[Razvan Lupusoru via flang-commits]

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@@ -6184,17 +6184,16 @@ class ArrayExprLowering {
 
   /// Get the function signature of the LLVM memcpy intrinsic.
   mlir::FunctionType memcpyType() {
-    return fir::factory::getLlvmMemcpy(builder).getFunctionType();
+    auto ptrTy = mlir::LLVM::LLVMPointerType::get(builder.getContext());
+    llvm::SmallVector<mlir::Type> args = {ptrTy, ptrTy, builder.getI64Type()};
+    return mlir::FunctionType::get(builder.getContext(), args, std::nullopt);
   }
 
   /// Create a call to the LLVM memcpy intrinsic.
-  void createCallMemcpy(llvm::ArrayRef<mlir::Value> args) {
+  void createCallMemcpy(llvm::ArrayRef<mlir::Value> args, bool isVolatile) {
     mlir::Location loc = getLoc();
-    mlir::func::FuncOp memcpyFunc = fir::factory::getLlvmMemcpy(builder);
-    mlir::SymbolRefAttr funcSymAttr =
-        builder.getSymbolRefAttr(memcpyFunc.getName());
-    mlir::FunctionType funcTy = memcpyFunc.getFunctionType();
-    builder.create<fir::CallOp>(loc, funcSymAttr, funcTy.getResults(), args);
+    builder.create<mlir::LLVM::MemcpyOp>(loc, args[0], args[1], args[2],
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razvanlupusoru wrote:

Do fir.ref's work without casting to llvm.ptr explicitly?

https://github.com/llvm/llvm-project/pull/134170