blob: e34182499187fca183c25e6744b549c944b4c4cd (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
//===- WasmTraits.h - DenseMap traits for the Wasm structures ---*- C++ -*-===//
//
// 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 provides llvm::DenseMapInfo traits for the Wasm structures.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_BINARYFORMAT_WASMTRAITS_H
#define LLVM_BINARYFORMAT_WASMTRAITS_H
#include "llvm/ADT/Hashing.h"
#include "llvm/BinaryFormat/Wasm.h"
namespace llvm {
template <typename T> struct DenseMapInfo;
// Traits for using WasmSignature in a DenseMap.
template <> struct DenseMapInfo<wasm::WasmSignature> {
static wasm::WasmSignature getEmptyKey() {
wasm::WasmSignature Sig;
Sig.State = wasm::WasmSignature::Empty;
return Sig;
}
static wasm::WasmSignature getTombstoneKey() {
wasm::WasmSignature Sig;
Sig.State = wasm::WasmSignature::Tombstone;
return Sig;
}
static unsigned getHashValue(const wasm::WasmSignature &Sig) {
uintptr_t H = hash_value(Sig.State);
for (auto Ret : Sig.Returns)
H = hash_combine(H, Ret);
for (auto Param : Sig.Params)
H = hash_combine(H, Param);
return H;
}
static bool isEqual(const wasm::WasmSignature &LHS,
const wasm::WasmSignature &RHS) {
return LHS == RHS;
}
};
// Traits for using WasmGlobalType in a DenseMap
template <> struct DenseMapInfo<wasm::WasmGlobalType> {
static wasm::WasmGlobalType getEmptyKey() {
return wasm::WasmGlobalType{1, true};
}
static wasm::WasmGlobalType getTombstoneKey() {
return wasm::WasmGlobalType{2, true};
}
static unsigned getHashValue(const wasm::WasmGlobalType &GlobalType) {
return hash_combine(GlobalType.Type, GlobalType.Mutable);
}
static bool isEqual(const wasm::WasmGlobalType &LHS,
const wasm::WasmGlobalType &RHS) {
return LHS == RHS;
}
};
} // end namespace llvm
#endif // LLVM_BINARYFORMAT_WASMTRAITS_H
|
