| //===-- Optimizer/Dialect/FIROpsSupport.h -- FIR op support -----*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef FORTRAN_OPTIMIZER_DIALECT_FIROPSSUPPORT_H |
| #define FORTRAN_OPTIMIZER_DIALECT_FIROPSSUPPORT_H |
| |
| #include "flang/Optimizer/Dialect/FIROps.h" |
| #include "mlir/Dialect/StandardOps/IR/Ops.h" |
| #include "mlir/IR/BuiltinOps.h" |
| |
| namespace fir { |
| |
| /// return true iff the Operation is a non-volatile LoadOp |
| inline bool nonVolatileLoad(mlir::Operation *op) { |
| if (auto load = dyn_cast<fir::LoadOp>(op)) |
| return !load->getAttr("volatile"); |
| return false; |
| } |
| |
| /// return true iff the Operation is a call |
| inline bool isaCall(mlir::Operation *op) { |
| return isa<fir::CallOp>(op) || isa<fir::DispatchOp>(op) || |
| isa<mlir::CallOp>(op) || isa<mlir::CallIndirectOp>(op); |
| } |
| |
| /// return true iff the Operation is a fir::CallOp, fir::DispatchOp, |
| /// mlir::CallOp, or mlir::CallIndirectOp and not pure |
| /// NB: this is not the same as `!pureCall(op)` |
| inline bool impureCall(mlir::Operation *op) { |
| // Should we also auto-detect that the called function is pure if its |
| // arguments are not references? For now, rely on a "pure" attribute. |
| return op && isaCall(op) && !op->getAttr("pure"); |
| } |
| |
| /// return true iff the Operation is a fir::CallOp, fir::DispatchOp, |
| /// mlir::CallOp, or mlir::CallIndirectOp and is also pure. |
| /// NB: this is not the same as `!impureCall(op)` |
| inline bool pureCall(mlir::Operation *op) { |
| // Should we also auto-detect that the called function is pure if its |
| // arguments are not references? For now, rely on a "pure" attribute. |
| return op && isaCall(op) && op->getAttr("pure"); |
| } |
| |
| /// Get or create a FuncOp in a module. |
| /// |
| /// If `module` already contains FuncOp `name`, it is returned. Otherwise, a new |
| /// FuncOp is created, and that new FuncOp is returned. |
| mlir::FuncOp createFuncOp(mlir::Location loc, mlir::ModuleOp module, |
| llvm::StringRef name, mlir::FunctionType type, |
| llvm::ArrayRef<mlir::NamedAttribute> attrs = {}); |
| |
| /// Get or create a GlobalOp in a module. |
| fir::GlobalOp createGlobalOp(mlir::Location loc, mlir::ModuleOp module, |
| llvm::StringRef name, mlir::Type type, |
| llvm::ArrayRef<mlir::NamedAttribute> attrs = {}); |
| |
| /// Attribute to mark Fortran entities with the CONTIGUOUS attribute. |
| constexpr llvm::StringRef getContiguousAttrName() { return "fir.contiguous"; } |
| |
| /// Attribute to mark Fortran entities with the OPTIONAL attribute. |
| constexpr llvm::StringRef getOptionalAttrName() { return "fir.optional"; } |
| |
| /// Attribute to mark Fortran entities with the TARGET attribute. |
| static constexpr llvm::StringRef getTargetAttrName() { return "fir.target"; } |
| |
| /// Tell if \p value is: |
| /// - a function argument that has attribute \p attributeName |
| /// - or, the result of fir.alloca/fir.allocamem op that has attribute \p |
| /// attributeName |
| /// - or, the result of a fir.address_of of a fir.global that has attribute \p |
| /// attributeName |
| /// - or, a fir.box loaded from a fir.ref<fir.box> that matches one of the |
| /// previous cases. |
| bool valueHasFirAttribute(mlir::Value value, llvm::StringRef attributeName); |
| |
| } // namespace fir |
| |
| #endif // FORTRAN_OPTIMIZER_DIALECT_FIROPSSUPPORT_H |