6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
35 lines
985 B
C++
35 lines
985 B
C++
//===-- NumberedValues.h - --------------------------------------*- 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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#ifndef LLVM_ASMPARSER_NUMBEREDVALUES_H
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#define LLVM_ASMPARSER_NUMBEREDVALUES_H
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#include "llvm/ADT/DenseMap.h"
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namespace llvm {
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/// Mapping from value ID to value, which also remembers what the next unused
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/// ID is.
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template <class T> class NumberedValues {
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DenseMap<unsigned, T> Vals;
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unsigned NextUnusedID = 0;
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public:
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unsigned getNext() const { return NextUnusedID; }
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T get(unsigned ID) const { return Vals.lookup(ID); }
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void add(unsigned ID, T V) {
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assert(ID >= NextUnusedID && "Invalid value ID");
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Vals.insert({ID, V});
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NextUnusedID = ID + 1;
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}
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};
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} // end namespace llvm
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#endif
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