diff options
| -rw-r--r-- | clang/include/clang/Basic/Attr.td | 24 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CGCall.cpp | 4 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 9 |
3 files changed, 24 insertions, 13 deletions
diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td index bc36fd8c829..f13e13b0107 100644 --- a/clang/include/clang/Basic/Attr.td +++ b/clang/include/clang/Basic/Attr.td @@ -1802,11 +1802,18 @@ def Target : InheritableAttr { let Subjects = SubjectList<[Function], ErrorDiag>; let Documentation = [TargetDocs]; let AdditionalMembers = [{ - typedef std::pair<std::vector<std::string>, StringRef> ParsedTargetAttr; + struct ParsedTargetAttr { + std::vector<std::string> Features; + StringRef Architecture; + bool DuplicateArchitecture = false; + }; ParsedTargetAttr parse() const { + return parse(getFeaturesStr()); + } + static ParsedTargetAttr parse(StringRef Features) { ParsedTargetAttr Ret; SmallVector<StringRef, 1> AttrFeatures; - getFeaturesStr().split(AttrFeatures, ","); + Features.split(AttrFeatures, ","); // Grab the various features and prepend a "+" to turn on the feature to // the backend and add them to our existing set of features. @@ -1823,12 +1830,15 @@ def Target : InheritableAttr { continue; // While we're here iterating check for a different target cpu. - if (Feature.startswith("arch=")) - Ret.second = Feature.split("=").second.trim(); - else if (Feature.startswith("no-")) - Ret.first.push_back("-" + Feature.split("-").second.str()); + if (Feature.startswith("arch=")) { + if (!Ret.Architecture.empty()) + Ret.DuplicateArchitecture = true; + else + Ret.Architecture = Feature.split("=").second.trim(); + } else if (Feature.startswith("no-")) + Ret.Features.push_back("-" + Feature.split("-").second.str()); else - Ret.first.push_back("+" + Feature.str()); + Ret.Features.push_back("+" + Feature.str()); } return Ret; } diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp index d30ad692b26..316bf44cb1c 100644 --- a/clang/lib/CodeGen/CGCall.cpp +++ b/clang/lib/CodeGen/CGCall.cpp @@ -1877,8 +1877,8 @@ void CodeGenModule::ConstructAttributeList( // the function. const auto *TD = FD->getAttr<TargetAttr>(); TargetAttr::ParsedTargetAttr ParsedAttr = TD->parse(); - if (ParsedAttr.second != "") - TargetCPU = ParsedAttr.second; + if (ParsedAttr.Architecture != "") + TargetCPU = ParsedAttr.Architecture; if (TargetCPU != "") FuncAttrs.addAttribute("target-cpu", TargetCPU); if (!Features.empty()) { diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index 4b15b8ac4c7..5561d4520cc 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -4499,18 +4499,19 @@ void CodeGenModule::getFunctionFeatureMap(llvm::StringMap<bool> &FeatureMap, // Make a copy of the features as passed on the command line into the // beginning of the additional features from the function to override. - ParsedAttr.first.insert(ParsedAttr.first.begin(), + ParsedAttr.Features.insert(ParsedAttr.Features.begin(), Target.getTargetOpts().FeaturesAsWritten.begin(), Target.getTargetOpts().FeaturesAsWritten.end()); - if (ParsedAttr.second != "") - TargetCPU = ParsedAttr.second; + if (ParsedAttr.Architecture != "") + TargetCPU = ParsedAttr.Architecture ; // Now populate the feature map, first with the TargetCPU which is either // the default or a new one from the target attribute string. Then we'll use // the passed in features (FeaturesAsWritten) along with the new ones from // the attribute. - Target.initFeatureMap(FeatureMap, getDiags(), TargetCPU, ParsedAttr.first); + Target.initFeatureMap(FeatureMap, getDiags(), TargetCPU, + ParsedAttr.Features); } else { Target.initFeatureMap(FeatureMap, getDiags(), TargetCPU, Target.getTargetOpts().Features); |

