You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

144 lines
5.3 KiB

//===- Location.cpp - MLIR Location Classes -------------------------------===//
//
// 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 "mlir/IR/Location.h"
#include "LocationDetail.h"
#include "llvm/ADT/SetVector.h"
using namespace mlir;
using namespace mlir::detail;
//===----------------------------------------------------------------------===//
// LocationAttr
//===----------------------------------------------------------------------===//
/// Methods for support type inquiry through isa, cast, and dyn_cast.
bool LocationAttr::classof(Attribute attr) {
return attr.isa<CallSiteLoc, FileLineColLoc, FusedLoc, NameLoc, OpaqueLoc,
UnknownLoc>();
}
//===----------------------------------------------------------------------===//
// CallSiteLoc
//===----------------------------------------------------------------------===//
Location CallSiteLoc::get(Location callee, Location caller) {
return Base::get(callee->getContext(), callee, caller);
}
Location CallSiteLoc::get(Location name, ArrayRef<Location> frames) {
assert(!frames.empty() && "required at least 1 call frame");
Location caller = frames.back();
for (auto frame : llvm::reverse(frames.drop_back()))
caller = CallSiteLoc::get(frame, caller);
return CallSiteLoc::get(name, caller);
}
Location CallSiteLoc::getCallee() const { return getImpl()->callee; }
Location CallSiteLoc::getCaller() const { return getImpl()->caller; }
//===----------------------------------------------------------------------===//
// FileLineColLoc
//===----------------------------------------------------------------------===//
Location FileLineColLoc::get(Identifier filename, unsigned line,
unsigned column, MLIRContext *context) {
return Base::get(context, filename, line, column);
}
Location FileLineColLoc::get(StringRef filename, unsigned line, unsigned column,
MLIRContext *context) {
return get(Identifier::get(filename.empty() ? "-" : filename, context), line,
column, context);
}
StringRef FileLineColLoc::getFilename() const { return getImpl()->filename; }
unsigned FileLineColLoc::getLine() const { return getImpl()->line; }
unsigned FileLineColLoc::getColumn() const { return getImpl()->column; }
//===----------------------------------------------------------------------===//
// FusedLoc
//===----------------------------------------------------------------------===//
Location FusedLoc::get(ArrayRef<Location> locs, Attribute metadata,
MLIRContext *context) {
// Unique the set of locations to be fused.
llvm::SmallSetVector<Location, 4> decomposedLocs;
for (auto loc : locs) {
// If the location is a fused location we decompose it if it has no
// metadata or the metadata is the same as the top level metadata.
if (auto fusedLoc = loc.dyn_cast<FusedLoc>()) {
if (fusedLoc.getMetadata() == metadata) {
// UnknownLoc's have already been removed from FusedLocs so we can
// simply add all of the internal locations.
decomposedLocs.insert(fusedLoc.getLocations().begin(),
fusedLoc.getLocations().end());
continue;
}
}
// Otherwise, only add known locations to the set.
if (!loc.isa<UnknownLoc>())
decomposedLocs.insert(loc);
}
locs = decomposedLocs.getArrayRef();
// Handle the simple cases of less than two locations.
if (locs.empty())
return UnknownLoc::get(context);
if (locs.size() == 1)
return locs.front();
return Base::get(context, locs, metadata);
}
ArrayRef<Location> FusedLoc::getLocations() const {
return getImpl()->getLocations();
}
Attribute FusedLoc::getMetadata() const { return getImpl()->metadata; }
//===----------------------------------------------------------------------===//
// NameLoc
//===----------------------------------------------------------------------===//
Location NameLoc::get(Identifier name, Location child) {
assert(!child.isa<NameLoc>() &&
"a NameLoc cannot be used as a child of another NameLoc");
return Base::get(child->getContext(), name, child);
}
Location NameLoc::get(Identifier name, MLIRContext *context) {
return get(name, UnknownLoc::get(context));
}
/// Return the name identifier.
Identifier NameLoc::getName() const { return getImpl()->name; }
/// Return the child location.
Location NameLoc::getChildLoc() const { return getImpl()->child; }
//===----------------------------------------------------------------------===//
// OpaqueLoc
//===----------------------------------------------------------------------===//
Location OpaqueLoc::get(uintptr_t underlyingLocation, TypeID typeID,
Location fallbackLocation) {
return Base::get(fallbackLocation->getContext(), underlyingLocation, typeID,
fallbackLocation);
}
uintptr_t OpaqueLoc::getUnderlyingLocation() const {
return Base::getImpl()->underlyingLocation;
}
TypeID OpaqueLoc::getUnderlyingTypeID() const { return getImpl()->typeID; }
Location OpaqueLoc::getFallbackLocation() const {
return Base::getImpl()->fallbackLocation;
}