on darwin<10, fallback to .weak_definition (PPC,X86)
.weak_def_can_be_hidden was not yet supported by the system assembler
llvm-svn: 196970
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
index a0b20ed7..e2f84ba 100644
--- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.cpp
@@ -12,11 +12,13 @@
//===----------------------------------------------------------------------===//
#include "PPCMCAsmInfo.h"
+#include "llvm/ADT/Triple.h"
+
using namespace llvm;
void PPCMCAsmInfoDarwin::anchor() { }
-PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit) {
+PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit, const Triple& T) {
if (is64Bit) {
PointerSize = CalleeSaveStackSlotSize = 8;
}
@@ -30,6 +32,12 @@
AssemblerDialect = 1; // New-Style mnemonics.
SupportsDebugInformation= true; // Debug information.
+
+ // old assembler lacks some directives
+ // FIXME: this should really be a check on the assembler characteristics
+ // rather than OS version
+ if (T.isMacOSX() && T.isMacOSXVersionLT(10, 6))
+ HasWeakDefCanBeHiddenDirective = false;
}
void PPCLinuxMCAsmInfo::anchor() { }