forked from OSchip/llvm-project
59 lines
2.5 KiB
C++
59 lines
2.5 KiB
C++
//===-- ComplexExpr.cpp ---------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "flang/Lower/ComplexExpr.h"
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#include "flang/Lower/ConvertType.h"
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//===----------------------------------------------------------------------===//
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// ComplexExprHelper implementation
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//===----------------------------------------------------------------------===//
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mlir::Type
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Fortran::lower::ComplexExprHelper::getComplexPartType(mlir::Type complexType) {
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return Fortran::lower::convertReal(
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builder.getContext(), complexType.cast<fir::CplxType>().getFKind());
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}
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mlir::Type
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Fortran::lower::ComplexExprHelper::getComplexPartType(mlir::Value cplx) {
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return getComplexPartType(cplx.getType());
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}
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mlir::Value Fortran::lower::ComplexExprHelper::createComplex(fir::KindTy kind,
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mlir::Value real,
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mlir::Value imag) {
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auto complexTy = fir::CplxType::get(builder.getContext(), kind);
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mlir::Value und = builder.create<fir::UndefOp>(loc, complexTy);
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return insert<Part::Imag>(insert<Part::Real>(und, real), imag);
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}
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mlir::Value Fortran::lower::ComplexExprHelper::createComplex(mlir::Type cplxTy,
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mlir::Value real,
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mlir::Value imag) {
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mlir::Value und = builder.create<fir::UndefOp>(loc, cplxTy);
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return insert<Part::Imag>(insert<Part::Real>(und, real), imag);
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}
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mlir::Value Fortran::lower::ComplexExprHelper::createComplexCompare(
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mlir::Value cplx1, mlir::Value cplx2, bool eq) {
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auto real1 = extract<Part::Real>(cplx1);
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auto real2 = extract<Part::Real>(cplx2);
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auto imag1 = extract<Part::Imag>(cplx1);
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auto imag2 = extract<Part::Imag>(cplx2);
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mlir::CmpFPredicate predicate =
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eq ? mlir::CmpFPredicate::UEQ : mlir::CmpFPredicate::UNE;
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mlir::Value realCmp =
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builder.create<mlir::CmpFOp>(loc, predicate, real1, real2);
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mlir::Value imagCmp =
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builder.create<mlir::CmpFOp>(loc, predicate, imag1, imag2);
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return eq ? builder.create<mlir::AndOp>(loc, realCmp, imagCmp).getResult()
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: builder.create<mlir::OrOp>(loc, realCmp, imagCmp).getResult();
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}
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