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//===-- Numeric.cpp -- runtime API for numeric intrinsics -----------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "flang/Optimizer/Builder/Runtime/Numeric.h"
#include "flang/Optimizer/Builder/BoxValue.h"
#include "flang/Optimizer/Builder/Character.h"
#include "flang/Optimizer/Builder/FIRBuilder.h"
#include "flang/Optimizer/Builder/Runtime/RTBuilder.h"
#include "flang/Optimizer/Builder/Todo.h"
#include "flang/Runtime/numeric.h"
#include "mlir/Dialect/Func/IR/FuncOps.h"
using namespace Fortran::runtime;
// The real*10 and real*16 placeholders below are used to force the
// compilation of the real*10 and real*16 method names on systems that
// may not have them in their runtime library. This can occur in the
// case of cross compilation, for example.
/// Placeholder for real*10 version of Exponent Intrinsic
struct ForcedExponent10_4 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(Exponent10_4));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto fltTy = mlir::FloatType::getF80(ctx);
auto intTy = mlir::IntegerType::get(ctx, 32);
return mlir::FunctionType::get(ctx, fltTy, intTy);
};
}
};
struct ForcedExponent10_8 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(Exponent10_8));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto fltTy = mlir::FloatType::getF80(ctx);
auto intTy = mlir::IntegerType::get(ctx, 64);
return mlir::FunctionType::get(ctx, fltTy, intTy);
};
}
};
/// Placeholder for real*16 version of Exponent Intrinsic
struct ForcedExponent16_4 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(Exponent16_4));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto fltTy = mlir::FloatType::getF128(ctx);
auto intTy = mlir::IntegerType::get(ctx, 32);
return mlir::FunctionType::get(ctx, fltTy, intTy);
};
}
};
struct ForcedExponent16_8 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(Exponent16_8));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto fltTy = mlir::FloatType::getF128(ctx);
auto intTy = mlir::IntegerType::get(ctx, 64);
return mlir::FunctionType::get(ctx, fltTy, intTy);
};
}
};
/// Placeholder for real*10 version of Fraction Intrinsic
struct ForcedFraction10 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(Fraction10));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto ty = mlir::FloatType::getF80(ctx);
return mlir::FunctionType::get(ctx, {ty}, {ty});
};
}
};
/// Placeholder for real*16 version of Fraction Intrinsic
struct ForcedFraction16 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(Fraction16));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto ty = mlir::FloatType::getF128(ctx);
return mlir::FunctionType::get(ctx, {ty}, {ty});
};
}
};
/// Placeholder for real*10 version of Mod Intrinsic
struct ForcedMod10 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(ModReal10));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto fltTy = mlir::FloatType::getF80(ctx);
auto strTy = fir::ReferenceType::get(mlir::IntegerType::get(ctx, 8));
auto intTy = mlir::IntegerType::get(ctx, 8 * sizeof(int));
return mlir::FunctionType::get(ctx, {fltTy, fltTy, strTy, intTy},
{fltTy});
};
}
};
/// Placeholder for real*16 version of Mod Intrinsic
struct ForcedMod16 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(ModReal16));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto fltTy = mlir::FloatType::getF128(ctx);
auto strTy = fir::ReferenceType::get(mlir::IntegerType::get(ctx, 8));
auto intTy = mlir::IntegerType::get(ctx, 8 * sizeof(int));
return mlir::FunctionType::get(ctx, {fltTy, fltTy, strTy, intTy},
{fltTy});
};
}
};
/// Placeholder for real*10 version of Nearest Intrinsic
struct ForcedNearest10 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(Nearest10));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto fltTy = mlir::FloatType::getF80(ctx);
auto boolTy = mlir::IntegerType::get(ctx, 1);
return mlir::FunctionType::get(ctx, {fltTy, boolTy}, {fltTy});
};
}
};
/// Placeholder for real*16 version of Nearest Intrinsic
struct ForcedNearest16 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(Nearest16));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto fltTy = mlir::FloatType::getF128(ctx);
auto boolTy = mlir::IntegerType::get(ctx, 1);
return mlir::FunctionType::get(ctx, {fltTy, boolTy}, {fltTy});
};
}
};
/// Placeholder for real*10 version of RRSpacing Intrinsic
struct ForcedRRSpacing10 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(RRSpacing10));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto ty = mlir::FloatType::getF80(ctx);
return mlir::FunctionType::get(ctx, {ty}, {ty});
};
}
};
/// Placeholder for real*16 version of RRSpacing Intrinsic
struct ForcedRRSpacing16 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(RRSpacing16));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto ty = mlir::FloatType::getF128(ctx);
return mlir::FunctionType::get(ctx, {ty}, {ty});
};
}
};
/// Placeholder for real*10 version of Scale Intrinsic
struct ForcedScale10 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(Scale10));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto fltTy = mlir::FloatType::getF80(ctx);
auto intTy = mlir::IntegerType::get(ctx, 64);
return mlir::FunctionType::get(ctx, {fltTy, intTy}, {fltTy});
};
}
};
/// Placeholder for real*16 version of Scale Intrinsic
struct ForcedScale16 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(Scale16));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto fltTy = mlir::FloatType::getF128(ctx);
auto intTy = mlir::IntegerType::get(ctx, 64);
return mlir::FunctionType::get(ctx, {fltTy, intTy}, {fltTy});
};
}
};
/// Placeholder for real*10 version of RRSpacing Intrinsic
struct ForcedSetExponent10 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(SetExponent10));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto fltTy = mlir::FloatType::getF80(ctx);
auto intTy = mlir::IntegerType::get(ctx, 64);
return mlir::FunctionType::get(ctx, {fltTy, intTy}, {fltTy});
};
}
};
/// Placeholder for real*10 version of RRSpacing Intrinsic
struct ForcedSetExponent16 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(SetExponent16));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto fltTy = mlir::FloatType::getF128(ctx);
auto intTy = mlir::IntegerType::get(ctx, 64);
return mlir::FunctionType::get(ctx, {fltTy, intTy}, {fltTy});
};
}
};
/// Placeholder for real*10 version of Spacing Intrinsic
struct ForcedSpacing10 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(Spacing10));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto ty = mlir::FloatType::getF80(ctx);
return mlir::FunctionType::get(ctx, {ty}, {ty});
};
}
};
/// Placeholder for real*16 version of Spacing Intrinsic
struct ForcedSpacing16 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(Spacing16));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto ty = mlir::FloatType::getF128(ctx);
return mlir::FunctionType::get(ctx, {ty}, {ty});
};
}
};
/// Generate call to Exponent instrinsic runtime routine.
mlir::Value fir::runtime::genExponent(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Type resultType,
mlir::Value x) {
mlir::func::FuncOp func;
mlir::Type fltTy = x.getType();
if (fltTy.isF16()) {
TODO(loc, "support for REAL with KIND = 2 in EXPONENT");
} else if (fltTy.isF32()) {
if (resultType.isInteger(32))
func = fir::runtime::getRuntimeFunc<mkRTKey(Exponent4_4)>(loc, builder);
else if (resultType.isInteger(64))
func = fir::runtime::getRuntimeFunc<mkRTKey(Exponent4_8)>(loc, builder);
} else if (fltTy.isF64()) {
if (resultType.isInteger(32))
func = fir::runtime::getRuntimeFunc<mkRTKey(Exponent8_4)>(loc, builder);
else if (resultType.isInteger(64))
func = fir::runtime::getRuntimeFunc<mkRTKey(Exponent8_8)>(loc, builder);
} else if (fltTy.isF80()) {
if (resultType.isInteger(32))
func = fir::runtime::getRuntimeFunc<ForcedExponent10_4>(loc, builder);
else if (resultType.isInteger(64))
func = fir::runtime::getRuntimeFunc<ForcedExponent10_8>(loc, builder);
} else if (fltTy.isF128()) {
if (resultType.isInteger(32))
func = fir::runtime::getRuntimeFunc<ForcedExponent16_4>(loc, builder);
else if (resultType.isInteger(64))
func = fir::runtime::getRuntimeFunc<ForcedExponent16_8>(loc, builder);
} else
fir::emitFatalError(loc, "unsupported REAL kind in EXPONENT");
auto funcTy = func.getFunctionType();
llvm::SmallVector<mlir::Value> args = {
builder.createConvert(loc, funcTy.getInput(0), x)};
return builder.create<fir::CallOp>(loc, func, args).getResult(0);
}
/// Generate call to Fraction instrinsic runtime routine.
mlir::Value fir::runtime::genFraction(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Value x) {
mlir::func::FuncOp func;
mlir::Type fltTy = x.getType();
if (fltTy.isF16())
TODO(loc, "support for REAL with KIND = 2 in FRACTION");
else if (fltTy.isF32())
func = fir::runtime::getRuntimeFunc<mkRTKey(Fraction4)>(loc, builder);
else if (fltTy.isF64())
func = fir::runtime::getRuntimeFunc<mkRTKey(Fraction8)>(loc, builder);
else if (fltTy.isF80())
func = fir::runtime::getRuntimeFunc<ForcedFraction10>(loc, builder);
else if (fltTy.isF128())
func = fir::runtime::getRuntimeFunc<ForcedFraction16>(loc, builder);
else
fir::emitFatalError(loc, "unsupported REAL kind in FRACTION");
auto funcTy = func.getFunctionType();
llvm::SmallVector<mlir::Value> args = {
builder.createConvert(loc, funcTy.getInput(0), x)};
return builder.create<fir::CallOp>(loc, func, args).getResult(0);
}
/// Generate call to Mod intrinsic runtime routine.
mlir::Value fir::runtime::genMod(fir::FirOpBuilder &builder, mlir::Location loc,
mlir::Value a, mlir::Value p) {
mlir::func::FuncOp func;
mlir::Type fltTy = a.getType();
if (fltTy != p.getType())
fir::emitFatalError(loc, "arguments type mismatch in MOD");
if (fltTy.isF16())
TODO(loc, "support for REAL with KIND = 2 in MOD");
else if (fltTy.isF32())
func = fir::runtime::getRuntimeFunc<mkRTKey(ModReal4)>(loc, builder);
else if (fltTy.isF64())
func = fir::runtime::getRuntimeFunc<mkRTKey(ModReal8)>(loc, builder);
else if (fltTy.isF80())
func = fir::runtime::getRuntimeFunc<ForcedMod10>(loc, builder);
else if (fltTy.isF128())
func = fir::runtime::getRuntimeFunc<ForcedMod16>(loc, builder);
else
fir::emitFatalError(loc, "unsupported REAL kind in MOD");
auto funcTy = func.getFunctionType();
auto sourceFile = fir::factory::locationToFilename(builder, loc);
auto sourceLine =
fir::factory::locationToLineNo(builder, loc, funcTy.getInput(3));
auto args = fir::runtime::createArguments(builder, loc, funcTy, a, p,
sourceFile, sourceLine);
return builder.create<fir::CallOp>(loc, func, args).getResult(0);
}
/// Generate call to Nearest intrinsic runtime routine.
mlir::Value fir::runtime::genNearest(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Value x,
mlir::Value s) {
mlir::func::FuncOp func;
mlir::Type fltTy = x.getType();
if (fltTy.isF16())
TODO(loc, "support for REAL with KIND = 2 in NEAREST");
else if (fltTy.isF32())
func = fir::runtime::getRuntimeFunc<mkRTKey(Nearest4)>(loc, builder);
else if (fltTy.isF64())
func = fir::runtime::getRuntimeFunc<mkRTKey(Nearest8)>(loc, builder);
else if (fltTy.isF80())
func = fir::runtime::getRuntimeFunc<ForcedNearest10>(loc, builder);
else if (fltTy.isF128())
func = fir::runtime::getRuntimeFunc<ForcedNearest16>(loc, builder);
else
fir::emitFatalError(loc, "unsupported REAL kind in NEAREST");
auto funcTy = func.getFunctionType();
mlir::Type sTy = s.getType();
mlir::Value zero = builder.createRealZeroConstant(loc, sTy);
auto cmp = builder.create<mlir::arith::CmpFOp>(
loc, mlir::arith::CmpFPredicate::OGT, s, zero);
mlir::Type boolTy = mlir::IntegerType::get(builder.getContext(), 1);
mlir::Value False = builder.createIntegerConstant(loc, boolTy, 0);
mlir::Value True = builder.createIntegerConstant(loc, boolTy, 1);
mlir::Value positive =
builder.create<mlir::arith::SelectOp>(loc, cmp, True, False);
auto args = fir::runtime::createArguments(builder, loc, funcTy, x, positive);
return builder.create<fir::CallOp>(loc, func, args).getResult(0);
}
/// Generate call to RRSpacing intrinsic runtime routine.
mlir::Value fir::runtime::genRRSpacing(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Value x) {
mlir::func::FuncOp func;
mlir::Type fltTy = x.getType();
if (fltTy.isF16())
TODO(loc, "support for REAL with KIND = 2 in RRSPACING");
else if (fltTy.isF32())
func = fir::runtime::getRuntimeFunc<mkRTKey(RRSpacing4)>(loc, builder);
else if (fltTy.isF64())
func = fir::runtime::getRuntimeFunc<mkRTKey(RRSpacing8)>(loc, builder);
else if (fltTy.isF80())
func = fir::runtime::getRuntimeFunc<ForcedRRSpacing10>(loc, builder);
else if (fltTy.isF128())
func = fir::runtime::getRuntimeFunc<ForcedRRSpacing16>(loc, builder);
else
fir::emitFatalError(loc, "unsupported REAL kind in RRSPACING");
auto funcTy = func.getFunctionType();
llvm::SmallVector<mlir::Value> args = {
builder.createConvert(loc, funcTy.getInput(0), x)};
return builder.create<fir::CallOp>(loc, func, args).getResult(0);
}
/// Generate call to Scale intrinsic runtime routine.
mlir::Value fir::runtime::genScale(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Value x,
mlir::Value i) {
mlir::func::FuncOp func;
mlir::Type fltTy = x.getType();
if (fltTy.isF16())
TODO(loc, "support for REAL with KIND = 2 in SCALE");
else if (fltTy.isF32())
func = fir::runtime::getRuntimeFunc<mkRTKey(Scale4)>(loc, builder);
else if (fltTy.isF64())
func = fir::runtime::getRuntimeFunc<mkRTKey(Scale8)>(loc, builder);
else if (fltTy.isF80())
func = fir::runtime::getRuntimeFunc<ForcedScale10>(loc, builder);
else if (fltTy.isF128())
func = fir::runtime::getRuntimeFunc<ForcedScale16>(loc, builder);
else
fir::emitFatalError(loc, "unsupported REAL kind in SCALE");
auto funcTy = func.getFunctionType();
auto args = fir::runtime::createArguments(builder, loc, funcTy, x, i);
return builder.create<fir::CallOp>(loc, func, args).getResult(0);
}
/// Generate call to Selected_int_kind intrinsic runtime routine.
mlir::Value fir::runtime::genSelectedIntKind(fir::FirOpBuilder &builder,
mlir::Location loc,
mlir::Value x) {
mlir::func::FuncOp func =
fir::runtime::getRuntimeFunc<mkRTKey(SelectedIntKind)>(loc, builder);
auto fTy = func.getFunctionType();
auto sourceFile = fir::factory::locationToFilename(builder, loc);
auto sourceLine =
fir::factory::locationToLineNo(builder, loc, fTy.getInput(1));
if (!fir::isa_ref_type(x.getType()))
fir::emitFatalError(loc, "argument address for runtime not found");
mlir::Type eleTy = fir::unwrapRefType(x.getType());
mlir::Value xKind = builder.createIntegerConstant(
loc, fTy.getInput(3), eleTy.getIntOrFloatBitWidth() / 8);
auto args = fir::runtime::createArguments(builder, loc, fTy, sourceFile,
sourceLine, x, xKind);
return builder.create<fir::CallOp>(loc, func, args).getResult(0);
}
/// Generate call to Selected_real_kind intrinsic runtime routine.
mlir::Value fir::runtime::genSelectedRealKind(fir::FirOpBuilder &builder,
mlir::Location loc,
mlir::Value precision,
mlir::Value range,
mlir::Value radix) {
mlir::func::FuncOp func =
fir::runtime::getRuntimeFunc<mkRTKey(SelectedRealKind)>(loc, builder);
auto fTy = func.getFunctionType();
auto getArgKinds = [&](mlir::Value arg, int argKindIndex) -> mlir::Value {
if (fir::isa_ref_type(arg.getType())) {
mlir::Type eleTy = fir::unwrapRefType(arg.getType());
return builder.createIntegerConstant(loc, fTy.getInput(argKindIndex),
eleTy.getIntOrFloatBitWidth() / 8);
} else {
return builder.createIntegerConstant(loc, fTy.getInput(argKindIndex), 0);
}
};
auto sourceFile = fir::factory::locationToFilename(builder, loc);
auto sourceLine =
fir::factory::locationToLineNo(builder, loc, fTy.getInput(1));
mlir::Value pKind = getArgKinds(precision, 3);
mlir::Value rKind = getArgKinds(range, 5);
mlir::Value dKind = getArgKinds(radix, 7);
auto args = fir::runtime::createArguments(builder, loc, fTy, sourceFile,
sourceLine, precision, pKind, range,
rKind, radix, dKind);
return builder.create<fir::CallOp>(loc, func, args).getResult(0);
}
/// Generate call to Set_exponent instrinsic runtime routine.
mlir::Value fir::runtime::genSetExponent(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Value x,
mlir::Value i) {
mlir::func::FuncOp func;
mlir::Type fltTy = x.getType();
if (fltTy.isF16())
TODO(loc, "support for REAL with KIND = 2 in FRACTION");
else if (fltTy.isF32())
func = fir::runtime::getRuntimeFunc<mkRTKey(SetExponent4)>(loc, builder);
else if (fltTy.isF64())
func = fir::runtime::getRuntimeFunc<mkRTKey(SetExponent8)>(loc, builder);
else if (fltTy.isF80())
func = fir::runtime::getRuntimeFunc<ForcedSetExponent10>(loc, builder);
else if (fltTy.isF128())
func = fir::runtime::getRuntimeFunc<ForcedSetExponent16>(loc, builder);
else
fir::emitFatalError(loc, "unsupported REAL kind in FRACTION");
auto funcTy = func.getFunctionType();
auto args = fir::runtime::createArguments(builder, loc, funcTy, x, i);
return builder.create<fir::CallOp>(loc, func, args).getResult(0);
}
/// Generate call to Spacing intrinsic runtime routine.
mlir::Value fir::runtime::genSpacing(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Value x) {
mlir::func::FuncOp func;
mlir::Type fltTy = x.getType();
if (fltTy.isF16())
TODO(loc, "support for REAL with KIND = 2 in SPACING");
else if (fltTy.isF32())
func = fir::runtime::getRuntimeFunc<mkRTKey(Spacing4)>(loc, builder);
else if (fltTy.isF64())
func = fir::runtime::getRuntimeFunc<mkRTKey(Spacing8)>(loc, builder);
else if (fltTy.isF80())
func = fir::runtime::getRuntimeFunc<ForcedSpacing10>(loc, builder);
else if (fltTy.isF128())
func = fir::runtime::getRuntimeFunc<ForcedSpacing16>(loc, builder);
else
fir::emitFatalError(loc, "unsupported REAL kind in SPACING");
auto funcTy = func.getFunctionType();
llvm::SmallVector<mlir::Value> args = {
builder.createConvert(loc, funcTy.getInput(0), x)};
return builder.create<fir::CallOp>(loc, func, args).getResult(0);
}
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