[PATCH] Set a debugger "target" to guide DWARF choices

[Paul Robinson]

================
Comment at: lib/CodeGen/AsmPrinter/DwarfDebug.cpp:210
@@ +209,3 @@
+    bool IsPS4 = Triple(A->getTargetTriple()).isPS4CPU();
+    Asm->TM.Options.Debugger = IsPS4 ? DebuggerKind::SCE : DebuggerKind::GDB;
+  }
----------------
Should this set LLDB for Darwin?  I wasn't sure.

================
Comment at: lib/CodeGen/AsmPrinter/DwarfDebug.cpp:236
@@ -230,3 +235,3 @@
   // Everybody else uses GNU's.
-  UseGNUTLSOpcode = !(IsDarwin || IsPS4) || DwarfVersion < 3;
+  UseGNUTLSOpcode = !(IsDarwin || isDebuggerSCE()) || DwarfVersion < 3;
 
----------------
aprantl wrote:
> This should probably be IsDebuggerLLDB() instead of IsDarwin.
OK.

http://reviews.llvm.org/D8506

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