================
@@ -1535,4 +1535,91 @@ bool SemaARM::areLaxCompatibleSveTypes(QualType
FirstType,
IsLaxCompatible(SecondType, FirstType);
}
+enum FirstParam { Unsupported, Duplicate, Unknown };
+enum SecondParam { None, CPU, Tune };
+enum ThirdParam { Target, TargetClones, TargetVersion };
+
+bool SemaARM::checkTargetVersionAttr(StringRef Str, SourceLocation Loc) {
+ llvm::SmallVector<StringRef, 8> Features;
+ Str.split(Features, '+');
+ for (StringRef Feat : Features) {
+ Feat = Feat.trim();
+ if (Feat == "default")
+ continue;
+ if (!getASTContext().getTargetInfo().validateCpuSupports(Feat))
+ return Diag(Loc, diag::warn_unsupported_target_attribute)
+ << Unsupported << None << Feat << TargetVersion;
+ }
+ return false;
+}
+
+bool SemaARM::checkTargetClonesAttr(SmallVectorImpl<StringRef> &Strs,
+ SmallVectorImpl<SourceLocation> &Locs,
+ SmallVectorImpl<SmallString<64>> &Buffer) {
+ if (!getASTContext().getTargetInfo().hasFeature("fmv"))
+ return true;
+
+ assert(Strs.size() == Locs.size() &&
+ "Mismatch between number of strings and locations");
+
+ bool HasDefault = false;
+ bool HasNonDefault = false;
+ for (unsigned I = 0; I < Strs.size(); ++I) {
+ StringRef Str = Strs[I].trim();
+ SourceLocation Loc = Locs[I];
+
+ if (Str.empty())
+ return Diag(Loc, diag::warn_unsupported_target_attribute)
+ << Unsupported << None << "" << TargetClones;
+
+ if (Str == "default") {
+ if (HasDefault)
+ Diag(Loc, diag::warn_target_clone_duplicate_options);
+ else {
+ Buffer.push_back(Str);
+ HasDefault = true;
+ }
+ continue;
+ }
+
+ bool HasCodeGenImpact = false;
+ llvm::SmallVector<StringRef, 8> Features;
+ llvm::SmallVector<StringRef, 8> ValidFeatures;
+ Str.split(Features, '+');
+ for (StringRef Feat : Features) {
+ Feat = Feat.trim();
+ if (!getASTContext().getTargetInfo().validateCpuSupports(Feat)) {
+ Diag(Loc, diag::warn_unsupported_target_attribute)
+ << Unsupported << None << Feat << TargetClones;
+ continue;
+ }
+ if (getASTContext().getTargetInfo().doesFeatureAffectCodeGen(Feat))
+ HasCodeGenImpact = true;
+ ValidFeatures.push_back(Feat);
+ }
+ // Canonize TargetClones Attributes
----------------
tmatheson-arm wrote:
```suggestion
// Canonicalize TargetClones Attributes
```
https://github.com/llvm/llvm-project/pull/149067
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