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() { }
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h
index 1530e77..6e6152e 100644
--- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCAsmInfo.h
@@ -18,11 +18,12 @@
#include "llvm/MC/MCAsmInfoELF.h"
namespace llvm {
+class Triple;
class PPCMCAsmInfoDarwin : public MCAsmInfoDarwin {
virtual void anchor();
public:
- explicit PPCMCAsmInfoDarwin(bool is64Bit);
+ explicit PPCMCAsmInfoDarwin(bool is64Bit, const Triple&);
};
class PPCLinuxMCAsmInfo : public MCAsmInfoELF {
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
index f18d095..6a50518 100644
--- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
@@ -72,7 +72,7 @@
MCAsmInfo *MAI;
if (TheTriple.isOSDarwin())
- MAI = new PPCMCAsmInfoDarwin(isPPC64);
+ MAI = new PPCMCAsmInfoDarwin(isPPC64, TheTriple);
else
MAI = new PPCLinuxMCAsmInfo(isPPC64);