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0bad578cf3
Looking at the Doxygen-generated documentation for the llvm namespace
currently shows all sorts of random comments from different parts of the
codebase. These are mostly caused by:
- File doc comments that aren't marked with \file, so they're attached to
the next declaration, which is usually "namespace llvm {".
- Class doc comments placed before the namespace rather than before the
class.
- Code comments before the namespace that (in my opinion) shouldn't be
extracted by doxygen at all.
This commit fixes these comments. The generated doxygen documentation now
has proper docs for several classes and files, and the docs for the llvm
and llvm::detail namespaces are now empty.
Reviewed By: thakis, mizvekov
Differential Revision: https://reviews.llvm.org/D96736
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
//===-- LiveRangeUtils.h - Live Range modification utilities ----*- C++ -*-===//
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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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/// \file
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/// This file contains helper functions to modify live ranges.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_CODEGEN_LIVERANGEUTILS_H
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#define LLVM_LIB_CODEGEN_LIVERANGEUTILS_H
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#include "llvm/CodeGen/LiveInterval.h"
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namespace llvm {
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/// Helper function that distributes live range value numbers and the
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/// corresponding segments of a master live range \p LR to a list of newly
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/// created live ranges \p SplitLRs. \p VNIClasses maps each value number in \p
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/// LR to 0 meaning it should stay or to 1..N meaning it should go to a specific
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/// live range in the \p SplitLRs array.
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template<typename LiveRangeT, typename EqClassesT>
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static void DistributeRange(LiveRangeT &LR, LiveRangeT *SplitLRs[],
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EqClassesT VNIClasses) {
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// Move segments to new intervals.
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typename LiveRangeT::iterator J = LR.begin(), E = LR.end();
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while (J != E && VNIClasses[J->valno->id] == 0)
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++J;
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for (typename LiveRangeT::iterator I = J; I != E; ++I) {
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if (unsigned eq = VNIClasses[I->valno->id]) {
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assert((SplitLRs[eq-1]->empty() || SplitLRs[eq-1]->expiredAt(I->start)) &&
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"New intervals should be empty");
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SplitLRs[eq-1]->segments.push_back(*I);
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} else
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*J++ = *I;
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}
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LR.segments.erase(J, E);
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// Transfer VNInfos to their new owners and renumber them.
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unsigned j = 0, e = LR.getNumValNums();
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while (j != e && VNIClasses[j] == 0)
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++j;
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for (unsigned i = j; i != e; ++i) {
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VNInfo *VNI = LR.getValNumInfo(i);
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if (unsigned eq = VNIClasses[i]) {
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VNI->id = SplitLRs[eq-1]->getNumValNums();
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SplitLRs[eq-1]->valnos.push_back(VNI);
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} else {
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VNI->id = j;
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LR.valnos[j++] = VNI;
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}
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}
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LR.valnos.resize(j);
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}
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} // End llvm namespace
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#endif
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