Add Triple::getiOSVersion.
This new function provides a way to get the iOS version number from ios triples.
Part of rdar://11409204
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156483 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp
index 4ee4716..2a22f75 100644
--- a/lib/Support/Triple.cpp
+++ b/lib/Support/Triple.cpp
@@ -596,6 +596,27 @@
return true;
}
+void Triple::getiOSVersion(unsigned &Major, unsigned &Minor,
+ unsigned &Micro) const {
+ switch (getOS()) {
+ default: llvm_unreachable("unexpected OS for Darwin triple");
+ case Darwin:
+ case MacOSX:
+ // Ignore the version from the triple. This is only handled because the
+ // the clang driver combines OS X and IOS support into a common Darwin
+ // toolchain that wants to know the iOS version number even when targeting
+ // OS X.
+ Major = 0;
+ Minor = 0;
+ Micro = 0;
+ return true;
+ case IOS:
+ getOSVersion(Major, Minor, Micro);
+ // Default to 0.0.
+ break;
+ }
+}
+
void Triple::setTriple(const Twine &Str) {
*this = Triple(Str);
}