================
@@ -128,8 +128,54 @@ class AIXABIInfo : public ABIInfo {
RValue EmitVAArg(CodeGenFunction &CGF, Address VAListAddr, QualType Ty,
AggValueSlot Slot) const override;
+
+ using ABIInfo::appendAttributeMangling;
+ void appendAttributeMangling(TargetClonesAttr *Attr, unsigned Index,
+ raw_ostream &Out) const override;
+ void appendAttributeMangling(StringRef AttrStr,
+ raw_ostream &Out) const override;
};
+void AIXABIInfo::appendAttributeMangling(TargetClonesAttr *Attr, unsigned
Index,
+ raw_ostream &Out) const {
+ appendAttributeMangling(Attr->getFeatureStr(Index), Out);
+}
+
+void AIXABIInfo::appendAttributeMangling(StringRef AttrStr,
+ raw_ostream &Out) const {
+ if (AttrStr == "default") {
+ Out << ".default";
+ return;
+ }
+
+ Out << '.';
+ const TargetInfo &TI = CGT.getTarget();
+ ParsedTargetAttr Info = TI.parseTargetAttr(AttrStr);
+
+ llvm::sort(Info.Features, [&TI](StringRef LHS, StringRef RHS) {
+ // Multiversioning doesn't allow "no-${feature}", so we can
+ // only have "+" prefixes here.
+ assert(LHS.starts_with("+") && RHS.starts_with("+") &&
+ "Features should always have a prefix.");
+ return TI.getFMVPriority({LHS.substr(1)})
+ .ugt(TI.getFMVPriority({RHS.substr(1)}));
+ });
+
+ bool IsFirst = true;
+ if (!Info.CPU.empty()) {
+ IsFirst = false;
+ Out << "cpu_" << Info.CPU;
+ }
+
+ assert(Info.Features.empty() && "unhandled case");
+ for (StringRef Feat : Info.Features) {
----------------
diggerlin wrote:
there is
assert(Info.Features.empty() && "unhandled case"); above
If the assertion passes (meaning Info.Features is empty), the for loop will
never execute any iterations since there are no features to iterate over.
https://github.com/llvm/llvm-project/pull/177428
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