a6eeea35cb
Bug: v8:9247 TBR=bmeurer@chromium.org,neis@chromium.org NOPRESUBMIT=true Change-Id: Ia1e49d1aac09c4ff9e05d58fab9d08dd71198878 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1621931 Reviewed-by: Yang Guo <yangguo@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Commit-Queue: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#61682}
33 lines
907 B
C++
33 lines
907 B
C++
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/wasm/signature-map.h"
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#include "src/codegen/signature.h"
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namespace v8 {
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namespace internal {
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namespace wasm {
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uint32_t SignatureMap::FindOrInsert(const FunctionSig& sig) {
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CHECK(!frozen_);
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auto pos = map_.find(sig);
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if (pos != map_.end()) return pos->second;
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// Indexes are returned as int32_t, thus check against their limit.
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CHECK_GE(kMaxInt, map_.size());
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uint32_t index = static_cast<uint32_t>(map_.size());
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map_.insert(std::make_pair(sig, index));
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return index;
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}
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int32_t SignatureMap::Find(const FunctionSig& sig) const {
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auto pos = map_.find(sig);
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if (pos == map_.end()) return -1;
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return static_cast<int32_t>(pos->second);
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}
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} // namespace wasm
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} // namespace internal
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} // namespace v8
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