1 //===--- WebAssembly.cpp - Implement WebAssembly target feature support ---===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
11 //===----------------------------------------------------------------------===//
34     {"mvp"}, {"bleeding-edge"}, {"generic"}};
39   if (Name != "mvp" && Name != "experimental-mv")  in setABI()
49       .Case("bulk-memory", HasBulkMemory)  in hasFeature()
50       .Case("exception-handling", HasExceptionHandling)  in hasFeature()
51       .Case("extended-const", HasExtendedConst)  in hasFeature()
52       .Case("half-precision", HasHalfPrecision)  in hasFeature()
55       .Case("mutable-globals", HasMutableGlobals)  in hasFeature()
56       .Case("nontrapping-fptoint", HasNontrappingFPToInt)  in hasFeature()
57       .Case("reference-types", HasReferenceTypes)  in hasFeature()
58       .Case("relaxed-simd", SIMDLevel >= RelaxedSIMD)  in hasFeature()
59       .Case("sign-ext", HasSignExt)  in hasFeature()
61       .Case("tail-call", HasTailCall)  in hasFeature()
117       Features["relaxed-simd"] = true;  in setSIMDLevel()
134     Features["relaxed-simd"] = false;  in setSIMDLevel()
144   else if (Name == "relaxed-simd")  in setFeatureEnabled()
155     Features["mutable-globals"] = true;  in initFeatureMap()
156     Features["reference-types"] = true;  in initFeatureMap()
157     Features["sign-ext"] = true;  in initFeatureMap()
162     Features["bulk-memory"] = true;  in initFeatureMap()
163     Features["exception-handling"] = true;  in initFeatureMap()
164     Features["extended-const"] = true;  in initFeatureMap()
165     Features["half-precision"] = true;  in initFeatureMap()
167     Features["nontrapping-fptoint"] = true;  in initFeatureMap()
168     Features["tail-call"] = true;  in initFeatureMap()
173   } else if (CPU == "bleeding-edge") {  in initFeatureMap()
187     if (Feature == "-atomics") {  in handleTargetFeatures()
191     if (Feature == "+bulk-memory") {  in handleTargetFeatures()
195     if (Feature == "-bulk-memory") {  in handleTargetFeatures()
199     if (Feature == "+exception-handling") {  in handleTargetFeatures()
203     if (Feature == "-exception-handling") {  in handleTargetFeatures()
207     if (Feature == "+extended-const") {  in handleTargetFeatures()
211     if (Feature == "-extended-const") {  in handleTargetFeatures()
215     if (Feature == "+half-precision") {  in handleTargetFeatures()
220     if (Feature == "-half-precision") {  in handleTargetFeatures()
228     if (Feature == "-multimemory") {  in handleTargetFeatures()
236     if (Feature == "-multivalue") {  in handleTargetFeatures()
240     if (Feature == "+mutable-globals") {  in handleTargetFeatures()
244     if (Feature == "-mutable-globals") {  in handleTargetFeatures()
248     if (Feature == "+nontrapping-fptoint") {  in handleTargetFeatures()
252     if (Feature == "-nontrapping-fptoint") {  in handleTargetFeatures()
256     if (Feature == "+reference-types") {  in handleTargetFeatures()
260     if (Feature == "-reference-types") {  in handleTargetFeatures()
264     if (Feature == "+relaxed-simd") {  in handleTargetFeatures()
268     if (Feature == "-relaxed-simd") {  in handleTargetFeatures()
269       SIMDLevel = std::min(SIMDLevel, SIMDEnum(RelaxedSIMD - 1));  in handleTargetFeatures()
272     if (Feature == "+sign-ext") {  in handleTargetFeatures()
276     if (Feature == "-sign-ext") {  in handleTargetFeatures()
284     if (Feature == "-simd128") {  in handleTargetFeatures()
285       SIMDLevel = std::min(SIMDLevel, SIMDEnum(SIMD128 - 1));  in handleTargetFeatures()
288     if (Feature == "+tail-call") {  in handleTargetFeatures()
292     if (Feature == "-tail-call") {  in handleTargetFeatures()
298         << Feature << "-target-feature";  in handleTargetFeatures()
305   return llvm::ArrayRef(BuiltinInfo, clang::WebAssembly::LastTSBuiltin -  in getTargetBuiltins()