Revert 78892 and 78895, these break generating working executables on
x86_64-apple-darwin10.

--- Reverse-merging r78895 into '.':
U    test/CodeGen/PowerPC/2008-12-12-EH.ll
U    lib/Target/DarwinTargetAsmInfo.cpp
--- Reverse-merging r78892 into '.':
U    include/llvm/Target/DarwinTargetAsmInfo.h
U    lib/Target/X86/X86TargetAsmInfo.cpp
U    lib/Target/X86/X86TargetAsmInfo.h
U    lib/Target/ARM/ARMTargetAsmInfo.h
U    lib/Target/ARM/ARMTargetMachine.cpp
U    lib/Target/ARM/ARMTargetAsmInfo.cpp
U    lib/Target/PowerPC/PPCTargetAsmInfo.cpp
U    lib/Target/PowerPC/PPCTargetAsmInfo.h
U    lib/Target/PowerPC/PPCTargetMachine.cpp
G    lib/Target/DarwinTargetAsmInfo.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78919 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
index 25920da..36cf2a5 100644
--- a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
+++ b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
@@ -12,21 +12,19 @@
 //===----------------------------------------------------------------------===//
 
 #include "PPCTargetAsmInfo.h"
-#include "llvm/ADT/Triple.h"
 using namespace llvm;
 
-PPCDarwinTargetAsmInfo::PPCDarwinTargetAsmInfo(const Triple &TheTriple) 
-  : DarwinTargetAsmInfo(TheTriple) {
+PPCDarwinTargetAsmInfo::PPCDarwinTargetAsmInfo(bool is64Bit) {
   PCSymbol = ".";
   CommentString = ";";
   ExceptionsType = ExceptionHandling::Dwarf;
 
-  if (TheTriple.getArch() != Triple::ppc64)
+  if (!is64Bit)
     Data64bitsDirective = 0;      // We can't emit a 64-bit unit in PPC32 mode.
   AssemblerDialect = 1;           // New-Style mnemonics.
 }
 
-PPCLinuxTargetAsmInfo::PPCLinuxTargetAsmInfo(const Triple &TheTriple) {
+PPCLinuxTargetAsmInfo::PPCLinuxTargetAsmInfo(bool is64Bit) {
   CommentString = "#";
   GlobalPrefix = "";
   PrivateGlobalPrefix = ".L";
@@ -43,15 +41,13 @@
   HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
 
   // Exceptions handling
-  if (TheTriple.getArch() != Triple::ppc64) {
+  if (!is64Bit)
     ExceptionsType = ExceptionHandling::Dwarf;
-    Data64bitsDirective = 0;
-  }
   AbsoluteEHSectionOffsets = false;
     
   ZeroDirective = "\t.space\t";
   SetDirective = "\t.set";
-  
+  Data64bitsDirective = is64Bit ? "\t.quad\t" : 0;
   AlignmentIsInBytes = false;
   LCOMMDirective = "\t.lcomm\t";
   AssemblerDialect = 0;           // Old-Style mnemonics.
diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.h b/lib/Target/PowerPC/PPCTargetAsmInfo.h
index 1e7e3d3..c7f8862 100644
--- a/lib/Target/PowerPC/PPCTargetAsmInfo.h
+++ b/lib/Target/PowerPC/PPCTargetAsmInfo.h
@@ -14,16 +14,17 @@
 #ifndef PPCTARGETASMINFO_H
 #define PPCTARGETASMINFO_H
 
+#include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/Target/DarwinTargetAsmInfo.h"
 
 namespace llvm {
 
   struct PPCDarwinTargetAsmInfo : public DarwinTargetAsmInfo {
-    explicit PPCDarwinTargetAsmInfo(const Triple &TheTriple);
+    explicit PPCDarwinTargetAsmInfo(bool is64Bit);
   };
 
   struct PPCLinuxTargetAsmInfo : public TargetAsmInfo {
-    explicit PPCLinuxTargetAsmInfo(const Triple &TheTriple);
+    explicit PPCLinuxTargetAsmInfo(bool is64Bit);
   };
 
 } // namespace llvm
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index a0d4fdb..41f4699 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -23,9 +23,10 @@
 static const TargetAsmInfo *createTargetAsmInfo(const Target &T,
                                                 const StringRef &TT) {
   Triple TheTriple(TT);
+  bool isPPC64 = TheTriple.getArch() == Triple::ppc64;
   if (TheTriple.getOS() == Triple::Darwin)
-    return new PPCDarwinTargetAsmInfo(TheTriple);
-  return new PPCLinuxTargetAsmInfo(TheTriple);
+    return new PPCDarwinTargetAsmInfo(isPPC64);
+  return new PPCLinuxTargetAsmInfo(isPPC64);
   
 }