================
@@ -52,6 +52,22 @@ std::string aarch64::getAArch64TargetCPU(const ArgList &Args,
return "apple-m1";
}
+ if (Triple.getOS() == llvm::Triple::IOS) {
+ assert(!Triple.isSimulatorEnvironment() && "iossim should be mac-like");
+ // iOS 26 only runs on apple-a12 and later CPUs.
+ if (!Triple.isOSVersionLT(26))
+ return "apple-a12";
+ }
+
+ if (Triple.isWatchOS()) {
+ assert(!Triple.isSimulatorEnvironment() && "watchossim should be
mac-like");
+ // arm64_32/arm64e watchOS requires S4 before watchOS 26, S6 after.
+ if (Triple.getArch() == llvm::Triple::aarch64_32 || Triple.isArm64e())
+ return Triple.isOSVersionLT(26) ? "apple-s4" : "apple-s6";
----------------
ahmedbougacha wrote:
Yeah, that could be a sensible alternative, but I tried to keep it structured
in a way that keeps each policy clearly delineated: in this case there are
distinct reasons we end up with S6; the same applies later for the various
ways we end up with A12.
https://github.com/llvm/llvm-project/pull/152235
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