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//===- CIRDialect.cpp - MLIR CIR ops implementation -----------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file implements the CIR dialect and its operations.
//
//===----------------------------------------------------------------------===//
#include "clang/CIR/Dialect/IR/CIRDialect.h"
#include "clang/CIR/Dialect/IR/CIRTypes.h"
#include "mlir/Support/LogicalResult.h"
#include "clang/CIR/Dialect/IR/CIROpsDialect.cpp.inc"
using namespace mlir;
using namespace cir;
//===----------------------------------------------------------------------===//
// CIR Dialect
//===----------------------------------------------------------------------===//
void cir::CIRDialect::initialize() {
registerTypes();
registerAttributes();
addOperations<
#define GET_OP_LIST
#include "clang/CIR/Dialect/IR/CIROps.cpp.inc"
>();
}
//===----------------------------------------------------------------------===//
// ConstantOp
//===----------------------------------------------------------------------===//
static LogicalResult checkConstantTypes(mlir::Operation *op, mlir::Type opType,
mlir::Attribute attrType) {
if (isa<cir::ConstPtrAttr>(attrType)) {
if (!mlir::isa<cir::PointerType>(opType))
return op->emitOpError(
"pointer constant initializing a non-pointer type");
return success();
}
if (mlir::isa<cir::IntAttr, cir::FPAttr>(attrType)) {
auto at = cast<TypedAttr>(attrType);
if (at.getType() != opType) {
return op->emitOpError("result type (")
<< opType << ") does not match value type (" << at.getType()
<< ")";
}
return success();
}
assert(isa<TypedAttr>(attrType) && "What else could we be looking at here?");
return op->emitOpError("global with type ")
<< cast<TypedAttr>(attrType).getType() << " not yet supported";
}
LogicalResult cir::ConstantOp::verify() {
// ODS already generates checks to make sure the result type is valid. We just
// need to additionally check that the value's attribute type is consistent
// with the result type.
return checkConstantTypes(getOperation(), getType(), getValue());
}
OpFoldResult cir::ConstantOp::fold(FoldAdaptor /*adaptor*/) {
return getValue();
}
//===----------------------------------------------------------------------===//
// GlobalOp
//===----------------------------------------------------------------------===//
static ParseResult parseConstantValue(OpAsmParser &parser,
mlir::Attribute &valueAttr) {
NamedAttrList attr;
return parser.parseAttribute(valueAttr, "value", attr);
}
static void printConstant(OpAsmPrinter &p, Attribute value) {
p.printAttribute(value);
}
mlir::LogicalResult cir::GlobalOp::verify() {
// Verify that the initial value, if present, is either a unit attribute or
// an attribute CIR supports.
if (getInitialValue().has_value()) {
if (checkConstantTypes(getOperation(), getSymType(), *getInitialValue())
.failed())
return failure();
}
// TODO(CIR): Many other checks for properties that haven't been upstreamed
// yet.
return success();
}
void cir::GlobalOp::build(OpBuilder &odsBuilder, OperationState &odsState,
llvm::StringRef sym_name, mlir::Type sym_type) {
odsState.addAttribute(getSymNameAttrName(odsState.name),
odsBuilder.getStringAttr(sym_name));
odsState.addAttribute(getSymTypeAttrName(odsState.name),
mlir::TypeAttr::get(sym_type));
}
static void printGlobalOpTypeAndInitialValue(OpAsmPrinter &p, cir::GlobalOp op,
TypeAttr type,
Attribute initAttr) {
if (!op.isDeclaration()) {
p << "= ";
// This also prints the type...
if (initAttr)
printConstant(p, initAttr);
} else {
p << ": " << type;
}
}
static ParseResult
parseGlobalOpTypeAndInitialValue(OpAsmParser &parser, TypeAttr &typeAttr,
Attribute &initialValueAttr) {
mlir::Type opTy;
if (parser.parseOptionalEqual().failed()) {
// Absence of equal means a declaration, so we need to parse the type.
// cir.global @a : !cir.int<s, 32>
if (parser.parseColonType(opTy))
return failure();
} else {
// Parse constant with initializer, examples:
// cir.global @y = #cir.fp<1.250000e+00> : !cir.double
// cir.global @rgb = #cir.const_array<[...] : !cir.array<i8 x 3>>
if (parseConstantValue(parser, initialValueAttr).failed())
return failure();
assert(mlir::isa<mlir::TypedAttr>(initialValueAttr) &&
"Non-typed attrs shouldn't appear here.");
auto typedAttr = mlir::cast<mlir::TypedAttr>(initialValueAttr);
opTy = typedAttr.getType();
}
typeAttr = TypeAttr::get(opTy);
return success();
}
//===----------------------------------------------------------------------===//
// FuncOp
//===----------------------------------------------------------------------===//
void cir::FuncOp::build(OpBuilder &builder, OperationState &result,
StringRef name) {
result.addAttribute(SymbolTable::getSymbolAttrName(),
builder.getStringAttr(name));
}
ParseResult cir::FuncOp::parse(OpAsmParser &parser, OperationState &state) {
StringAttr nameAttr;
if (parser.parseSymbolName(nameAttr, SymbolTable::getSymbolAttrName(),
state.attributes))
return failure();
return success();
}
void cir::FuncOp::print(OpAsmPrinter &p) {
p << ' ';
// For now the only property a function has is its name
p.printSymbolName(getSymName());
}
// TODO(CIR): The properties of functions that require verification haven't
// been implemented yet.
mlir::LogicalResult cir::FuncOp::verify() { return success(); }
//===----------------------------------------------------------------------===//
// TableGen'd op method definitions
//===----------------------------------------------------------------------===//
#define GET_OP_CLASSES
#include "clang/CIR/Dialect/IR/CIROps.cpp.inc"
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