1 //===-- FIRDialect.cpp ----------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/ 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "flang/Optimizer/Dialect/FIRDialect.h" 14 #include "flang/Optimizer/Dialect/FIRAttr.h" 15 #include "flang/Optimizer/Dialect/FIROps.h" 16 #include "flang/Optimizer/Dialect/FIRType.h" 17 #include "mlir/Transforms/InliningUtils.h" 18 19 using namespace fir; 20 21 namespace { 22 /// This class defines the interface for handling inlining of FIR calls. 23 struct FIRInlinerInterface : public mlir::DialectInlinerInterface { 24 using DialectInlinerInterface::DialectInlinerInterface; 25 26 bool isLegalToInline(mlir::Operation *call, mlir::Operation *callable, 27 bool wouldBeCloned) const final { 28 return fir::canLegallyInline(call, callable, wouldBeCloned); 29 } 30 31 /// This hook checks to see if the operation `op` is legal to inline into the 32 /// given region `reg`. 33 bool isLegalToInline(mlir::Operation *op, mlir::Region *reg, 34 bool wouldBeCloned, mlir::IRMapping &map) const final { 35 return fir::canLegallyInline(op, reg, wouldBeCloned, map); 36 } 37 38 /// This hook is called when a terminator operation has been inlined. 39 /// We handle the return (a Fortran FUNCTION) by replacing the values 40 /// previously returned by the call operation with the operands of the 41 /// return. 42 void handleTerminator(mlir::Operation *op, 43 llvm::ArrayRef<mlir::Value> valuesToRepl) const final { 44 auto returnOp = llvm::cast<mlir::func::ReturnOp>(op); 45 assert(returnOp.getNumOperands() == valuesToRepl.size()); 46 for (const auto &it : llvm::enumerate(returnOp.getOperands())) 47 valuesToRepl[it.index()].replaceAllUsesWith(it.value()); 48 } 49 50 mlir::Operation *materializeCallConversion(mlir::OpBuilder &builder, 51 mlir::Value input, 52 mlir::Type resultType, 53 mlir::Location loc) const final { 54 return builder.create<fir::ConvertOp>(loc, resultType, input); 55 } 56 }; 57 } // namespace 58 59 fir::FIROpsDialect::FIROpsDialect(mlir::MLIRContext *ctx) 60 : mlir::Dialect("fir", ctx, mlir::TypeID::get<FIROpsDialect>()) { 61 registerTypes(); 62 registerAttributes(); 63 addOperations< 64 #define GET_OP_LIST 65 #include "flang/Optimizer/Dialect/FIROps.cpp.inc" 66 >(); 67 addInterfaces<FIRInlinerInterface>(); 68 } 69 70 // anchor the class vtable to this compilation unit 71 fir::FIROpsDialect::~FIROpsDialect() { 72 // do nothing 73 } 74 75 mlir::Type fir::FIROpsDialect::parseType(mlir::DialectAsmParser &parser) const { 76 return parseFirType(const_cast<FIROpsDialect *>(this), parser); 77 } 78 79 void fir::FIROpsDialect::printType(mlir::Type ty, 80 mlir::DialectAsmPrinter &p) const { 81 return printFirType(const_cast<FIROpsDialect *>(this), ty, p); 82 } 83 84 mlir::Attribute 85 fir::FIROpsDialect::parseAttribute(mlir::DialectAsmParser &parser, 86 mlir::Type type) const { 87 return parseFirAttribute(const_cast<FIROpsDialect *>(this), parser, type); 88 } 89 90 void fir::FIROpsDialect::printAttribute(mlir::Attribute attr, 91 mlir::DialectAsmPrinter &p) const { 92 printFirAttribute(const_cast<FIROpsDialect *>(this), attr, p); 93 } 94