1 //===--------------------AMDKernelCodeTUtils.cpp --------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 //===----------------------------------------------------------------------===//
12 /// \file - utility functions to parse/print amd_kernel_code_t structure
14 //===----------------------------------------------------------------------===//
16 #include "AMDKernelCodeTUtils.h"
17 #include "SIDefines.h"
18 #include <llvm/MC/MCParser/MCAsmLexer.h>
19 #include <llvm/MC/MCParser/MCAsmParser.h>
20 #include <llvm/Support/raw_ostream.h>
24 static ArrayRef<StringRef> get_amd_kernel_code_t_FldNames() {
25 static StringRef const Table[] = {
26 "", // not found placeholder
27 #define RECORD(name, altName, print, parse) #name
28 #include "AMDKernelCodeTInfo.h"
31 return makeArrayRef(Table);
34 static ArrayRef<StringRef> get_amd_kernel_code_t_FldAltNames() {
35 static StringRef const Table[] = {
36 "", // not found placeholder
37 #define RECORD(name, altName, print, parse) #altName
38 #include "AMDKernelCodeTInfo.h"
41 return makeArrayRef(Table);
44 static StringMap<int> createIndexMap(const ArrayRef<StringRef> &names,
45 const ArrayRef<StringRef> &altNames) {
47 assert(names.size() == altNames.size());
48 for (unsigned i = 0; i < names.size(); ++i) {
49 map.insert(std::make_pair(names[i], i));
50 map.insert(std::make_pair(altNames[i], i));
55 static int get_amd_kernel_code_t_FieldIndex(StringRef name) {
56 static const auto map = createIndexMap(get_amd_kernel_code_t_FldNames(),
57 get_amd_kernel_code_t_FldAltNames());
58 return map.lookup(name) - 1; // returns -1 if not found
61 static StringRef get_amd_kernel_code_t_FieldName(int index) {
62 return get_amd_kernel_code_t_FldNames()[index + 1];
68 static raw_ostream &printName(raw_ostream &OS, StringRef Name) {
69 return OS << Name << " = ";
72 template <typename T, T amd_kernel_code_t::*ptr>
73 static void printField(StringRef Name, const amd_kernel_code_t &C,
75 printName(OS, Name) << (int)(C.*ptr);
78 template <typename T, T amd_kernel_code_t::*ptr, int shift, int width = 1>
79 static void printBitField(StringRef Name, const amd_kernel_code_t &c,
81 const auto Mask = (static_cast<T>(1) << width) - 1;
82 printName(OS, Name) << (int)((c.*ptr >> shift) & Mask);
85 typedef void(*PrintFx)(StringRef,
86 const amd_kernel_code_t &,
89 static ArrayRef<PrintFx> getPrinterTable() {
90 static const PrintFx Table[] = {
91 #define RECORD(name, altName, print, parse) print
92 #include "AMDKernelCodeTInfo.h"
95 return makeArrayRef(Table);
98 void llvm::printAmdKernelCodeField(const amd_kernel_code_t &C,
101 auto Printer = getPrinterTable()[FldIndex];
103 Printer(get_amd_kernel_code_t_FieldName(FldIndex), C, OS);
106 void llvm::dumpAmdKernelCode(const amd_kernel_code_t *C,
109 const int Size = getPrinterTable().size();
110 for (int i = 0; i < Size; ++i) {
112 printAmdKernelCodeField(*C, i, OS);
120 static bool expectAbsExpression(MCAsmParser &MCParser, int64_t &Value, raw_ostream& Err) {
122 if (MCParser.getLexer().isNot(AsmToken::Equal)) {
123 Err << "expected '='";
126 MCParser.getLexer().Lex();
128 if (MCParser.parseAbsoluteExpression(Value)) {
129 Err << "integer absolute expression expected";
135 template <typename T, T amd_kernel_code_t::*ptr>
136 static bool parseField(amd_kernel_code_t &C, MCAsmParser &MCParser,
139 if (!expectAbsExpression(MCParser, Value, Err))
145 template <typename T, T amd_kernel_code_t::*ptr, int shift, int width = 1>
146 static bool parseBitField(amd_kernel_code_t &C, MCAsmParser &MCParser,
149 if (!expectAbsExpression(MCParser, Value, Err))
151 const uint64_t Mask = ((UINT64_C(1) << width) - 1) << shift;
153 C.*ptr |= (T)((Value << shift) & Mask);
157 typedef bool(*ParseFx)(amd_kernel_code_t &,
158 MCAsmParser &MCParser,
161 static ArrayRef<ParseFx> getParserTable() {
162 static const ParseFx Table[] = {
163 #define RECORD(name, altName, print, parse) parse
164 #include "AMDKernelCodeTInfo.h"
167 return makeArrayRef(Table);
170 bool llvm::parseAmdKernelCodeField(StringRef ID,
171 MCAsmParser &MCParser,
172 amd_kernel_code_t &C,
174 const int Idx = get_amd_kernel_code_t_FieldIndex(ID);
176 Err << "unexpected amd_kernel_code_t field name " << ID;
179 auto Parser = getParserTable()[Idx];
180 return Parser ? Parser(C, MCParser, Err) : false;