darwin9 and above support aligned common symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45494 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.h b/lib/Target/X86/X86Subtarget.h
index 4f92343..ee193cf 100644
--- a/lib/Target/X86/X86Subtarget.h
+++ b/lib/Target/X86/X86Subtarget.h
@@ -64,6 +64,10 @@
/// HasX86_64 - True if the processor supports X86-64 instructions.
///
bool HasX86_64;
+
+ /// DarwinVers - Nonzero if this is a darwin platform: the numeric
+ /// version of the platform, e.g. 8 = 10.4 (Tiger), 9 = 10.5 (Leopard), etc.
+ unsigned char DarwinVers; // Is any darwin-ppc platform.
/// stackAlignment - The minimum alignment known to hold of the stack frame on
/// entry to the function and which must be maintained by every function.
@@ -159,7 +163,10 @@
bool isPICStyleStub() const { return PICStyle == PICStyle::Stub; }
bool isPICStyleRIPRel() const { return PICStyle == PICStyle::RIPRel; }
bool isPICStyleWinPIC() const { return PICStyle == PICStyle:: WinPIC; }
-
+
+ /// getDarwinVers - Return the darwin version number, 8 = tiger, 9 = leopard.
+ unsigned getDarwinVers() const { return DarwinVers; }
+
/// True if accessing the GV requires an extra load. For Windows, dllimported
/// symbols are indirect, loading the value at address GV rather then the
/// value of GV itself. This means that the GlobalAddress must be in the base