================
@@ -445,4 +445,21 @@ void aarch64::getAArch64TargetFeatures(const Driver &D,
if (Args.getLastArg(options::OPT_mno_bti_at_return_twice))
Features.push_back("+no-bti-at-return-twice");
+
+ // Parse AArch64 CPU Features
+ const Arg *CPUArg = Args.getLastArg(options::OPT_mcpu_EQ);
+ StringRef CPUName;
+
+ if (CPUArg) {
+ CPUName = CPUArg->getValue();
+ if (CPUName == "native") {
+ llvm::StringMap<bool> HostFeatures;
+ if (llvm::sys::getHostCPUFeatures(HostFeatures)) {
+ for (auto &F : HostFeatures) {
+ Features.push_back(
+ Args.MakeArgString((F.second ? "+" : "-") + F.first()));
+ }
----------------
tmatheson-arm wrote:
```suggestion
for (auto &[Name, Enabled] : HostFeatures) {
Features.push_back(
Args.MakeArgString((Enabled ? "+" : "-") + Name));
}
```
https://github.com/llvm/llvm-project/pull/97749
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