1 //===--- WebAssembly.cpp - Implement WebAssembly target feature support ---===//
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 // This file implements WebAssembly TargetInfo objects.
12 //===----------------------------------------------------------------------===//
14 #include "WebAssembly.h"
16 #include "clang/Basic/Builtins.h"
17 #include "clang/Basic/Diagnostic.h"
18 #include "clang/Basic/TargetBuiltins.h"
19 #include "llvm/ADT/StringSwitch.h"
21 using namespace clang;
22 using namespace clang::targets;
24 const Builtin::Info WebAssemblyTargetInfo::BuiltinInfo[] = {
25 #define BUILTIN(ID, TYPE, ATTRS) \
26 {#ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, nullptr},
27 #define LIBBUILTIN(ID, TYPE, ATTRS, HEADER) \
28 {#ID, TYPE, ATTRS, HEADER, ALL_LANGUAGES, nullptr},
29 #include "clang/Basic/BuiltinsWebAssembly.def"
32 bool WebAssemblyTargetInfo::hasFeature(StringRef Feature) const {
33 return llvm::StringSwitch<bool>(Feature)
34 .Case("simd128", SIMDLevel >= SIMD128)
35 .Case("nontrapping-fptoint", HasNontrappingFPToInt)
39 bool WebAssemblyTargetInfo::isValidCPUName(StringRef Name) const {
40 return llvm::StringSwitch<bool>(Name)
42 .Case("bleeding-edge", true)
43 .Case("generic", true)
47 void WebAssemblyTargetInfo::getTargetDefines(const LangOptions &Opts,
48 MacroBuilder &Builder) const {
49 defineCPUMacros(Builder, "wasm", /*Tuning=*/false);
50 if (SIMDLevel >= SIMD128)
51 Builder.defineMacro("__wasm_simd128__");
54 bool WebAssemblyTargetInfo::handleTargetFeatures(
55 std::vector<std::string> &Features, DiagnosticsEngine &Diags) {
56 for (const auto &Feature : Features) {
57 if (Feature == "+simd128") {
58 SIMDLevel = std::max(SIMDLevel, SIMD128);
61 if (Feature == "-simd128") {
62 SIMDLevel = std::min(SIMDLevel, SIMDEnum(SIMD128 - 1));
65 if (Feature == "+nontrapping-fptoint") {
66 HasNontrappingFPToInt = true;
69 if (Feature == "-nontrapping-fptoint") {
70 HasNontrappingFPToInt = false;
74 Diags.Report(diag::err_opt_not_valid_with_opt)
75 << Feature << "-target-feature";
81 ArrayRef<Builtin::Info> WebAssemblyTargetInfo::getTargetBuiltins() const {
82 return llvm::makeArrayRef(BuiltinInfo, clang::WebAssembly::LastTSBuiltin -
83 Builtin::FirstTSBuiltin);
86 void WebAssembly32TargetInfo::getTargetDefines(const LangOptions &Opts,
87 MacroBuilder &Builder) const {
88 WebAssemblyTargetInfo::getTargetDefines(Opts, Builder);
89 defineCPUMacros(Builder, "wasm32", /*Tuning=*/false);
92 void WebAssembly64TargetInfo::getTargetDefines(const LangOptions &Opts,
93 MacroBuilder &Builder) const {
94 WebAssemblyTargetInfo::getTargetDefines(Opts, Builder);
95 defineCPUMacros(Builder, "wasm64", /*Tuning=*/false);