trim some spurious references to DwarfWriter. SDIsel really doesn't

need it anymore, so don't addRequire it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100400 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/MachineFrameInfo.h

@@ -189,7 +189,7 @@ class MachineFrameInfo {
   SmallVector<bool, 8> SpillObjects;
 
   /// MMI - This field is set (via setMachineModuleInfo) by a module info
-  /// consumer (ex. DwarfWriter) to indicate that frame layout information
+  /// consumer to indicate that frame layout information
   /// should be acquired.  Typically, it's the responsibility of the target's
   /// TargetRegisterInfo prologue/epilogue emitting code to inform
   /// MachineModuleInfo of frame layouts.
@@ -455,7 +455,7 @@ public:
   /// emitter (TargetRegisterInfo) to provide frame layout information. 
   MachineModuleInfo *getMachineModuleInfo() const { return MMI; }
 
-  /// setMachineModuleInfo - Used by a meta info consumer (DwarfWriter) to
+  /// setMachineModuleInfo - Used by a meta info consumer to
   /// indicate that frame layout information should be gathered.
   void setMachineModuleInfo(MachineModuleInfo *mmi) { MMI = mmi; }
 

include/llvm/Target/Target.td

@@ -132,8 +132,8 @@ class RegisterClass<string namespace, list<ValueType> regTypes, int alignment,
 //===----------------------------------------------------------------------===//
 // DwarfRegNum - This class provides a mapping of the llvm register enumeration
 // to the register numbering used by gcc and gdb.  These values are used by a
-// debug information writer (ex. DwarfWriter) to describe where values may be
-// located during execution.
+// debug information writer to describe where values may be located during
+// execution.
 class DwarfRegNum<list<int> Numbers> {
   // DwarfNumbers - Numbers used internally by gcc/gdb to identify the register.
   // These values can be determined by locating the <target>.h file in the

lib/CodeGen/AsmPrinter/DwarfDebug.cpp

@@ -270,6 +270,8 @@ public:
   void dump() const;
 #endif
 };
+  
+} // end llvm namespace
 
 #ifndef NDEBUG
 void DbgScope::dump() const {
@@ -297,8 +299,6 @@ DbgScope::~DbgScope() {
     delete Variables[j];
 }
 
-} // end llvm namespace
-
 DwarfDebug::DwarfDebug(AsmPrinter *A)
   : Asm(A), MMI(Asm->MMI), ModuleCU(0),
     AbbreviationsSet(InitAbbreviationsSetSize), 

lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

@@ -16,7 +16,6 @@
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineJumpTableInfo.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/CodeGen/DwarfWriter.h"
 #include "llvm/Analysis/DebugInfo.h"
 #include "llvm/CodeGen/PseudoSourceValue.h"
 #include "llvm/Target/TargetFrameInfo.h"

lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

@@ -41,7 +41,6 @@
 #include "llvm/CodeGen/ScheduleHazardRecognizer.h"
 #include "llvm/CodeGen/SchedulerRegistry.h"
 #include "llvm/CodeGen/SelectionDAG.h"
-#include "llvm/CodeGen/DwarfWriter.h"
 #include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetFrameInfo.h"
@@ -303,8 +302,6 @@ void SelectionDAGISel::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addPreserved<AliasAnalysis>();
   AU.addRequired<GCModuleInfo>();
   AU.addPreserved<GCModuleInfo>();
-  AU.addRequired<DwarfWriter>();
-  AU.addPreserved<DwarfWriter>();
   MachineFunctionPass::getAnalysisUsage(AU);
 }