Unbreak build: 'DarwinTargetAsmInfo' was already taken as PPC TAI flavour.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53801 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
index 058de65..75868d4 100644
--- a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
+++ b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
@@ -32,7 +32,7 @@
   AssemblerDialect = TM.getSubtargetImpl()->getAsmFlavor();
 }
 
-DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
+PPCDarwinTargetAsmInfo::PPCDarwinTargetAsmInfo(const PPCTargetMachine &TM)
 : PPCTargetAsmInfo(TM)
 {
   PCSymbol = ".";
@@ -93,8 +93,9 @@
 /// format used for encoding pointers in exception handling data. Reason is
 /// 0 for data, 1 for code labels, 2 for function pointers. Global is true
 /// if the symbol can be relocated.
-unsigned DarwinTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
-                                                    bool Global) const {
+unsigned
+PPCDarwinTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
+                                              bool Global) const {
   if (Reason == DwarfEncoding::Functions && Global)
     return (DW_EH_PE_pcrel | DW_EH_PE_indirect | DW_EH_PE_sdata4);
   else if (Reason == DwarfEncoding::CodeLabels || !Global)
@@ -104,7 +105,7 @@
 }
 
 
-LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM)
+PPCLinuxTargetAsmInfo::PPCLinuxTargetAsmInfo(const PPCTargetMachine &TM)
 : PPCTargetAsmInfo(TM)
 {
   CommentString = "#";
@@ -155,8 +156,9 @@
 /// format used for encoding pointers in exception handling data. Reason is
 /// 0 for data, 1 for code labels, 2 for function pointers. Global is true
 /// if the symbol can be relocated.
-unsigned LinuxTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
-                                                   bool Global) const {
+unsigned
+PPCLinuxTargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
+                                             bool Global) const {
   // We really need to write something here.
   return TargetAsmInfo::PreferredEHDataFormat(Reason, Global);
 }
diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.h b/lib/Target/PowerPC/PPCTargetAsmInfo.h
index 4884628..cca7bdb 100644
--- a/lib/Target/PowerPC/PPCTargetAsmInfo.h
+++ b/lib/Target/PowerPC/PPCTargetAsmInfo.h
@@ -25,14 +25,14 @@
     explicit PPCTargetAsmInfo(const PPCTargetMachine &TM);
   };
 
-  struct DarwinTargetAsmInfo : public PPCTargetAsmInfo {
-    explicit DarwinTargetAsmInfo(const PPCTargetMachine &TM);
+  struct PPCDarwinTargetAsmInfo : public PPCTargetAsmInfo {
+    explicit PPCDarwinTargetAsmInfo(const PPCTargetMachine &TM);
     virtual unsigned PreferredEHDataFormat(DwarfEncoding::Target Reason,
                                            bool Global) const;
   };
 
-  struct LinuxTargetAsmInfo : public PPCTargetAsmInfo {
-    explicit LinuxTargetAsmInfo(const PPCTargetMachine &TM);
+  struct PPCLinuxTargetAsmInfo : public PPCTargetAsmInfo {
+    explicit PPCLinuxTargetAsmInfo(const PPCTargetMachine &TM);
     virtual unsigned PreferredEHDataFormat(DwarfEncoding::Target Reason,
                                            bool Global) const;
   };
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index cfec534..8fa0809 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -27,9 +27,9 @@
 
 const TargetAsmInfo *PPCTargetMachine::createTargetAsmInfo() const {
   if (Subtarget.isDarwin())
-    return new DarwinTargetAsmInfo(*this);
+    return new PPCDarwinTargetAsmInfo(*this);
   else
-    return new LinuxTargetAsmInfo(*this);
+    return new PPCLinuxTargetAsmInfo(*this);
 }
 
 unsigned PPC32TargetMachine::getJITMatchQuality() {