[llvm-commits] [llvm] r98429 - in /llvm/trunk/lib/CodeGen/AsmPrinter: DwarfDebug.cpp DwarfException.cpp DwarfPrinter.cpp

[Chris Lattner]

Author: lattner
Date: Sat Mar 13 01:40:56 2010
New Revision: 98429

URL: http://llvm.org/viewvc/llvm-project?rev=98429&view=rev
Log:
factor some labels, simplify some code.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=98429&r1=98428&r2=98429&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Sat Mar 13 01:40:56 2010
@@ -2756,16 +2756,15 @@
                     getTempLabel("section_debug_frame"), true, false);
 
   Asm->OutStreamer.AddComment("FDE initial location");
-  Asm->OutStreamer.EmitSymbolValue(getDWLabel("func_begin",
-                                              DebugFrameInfo.Number),
+  MCSymbol *FuncBeginSym = getDWLabel("func_begin", DebugFrameInfo.Number);
+  Asm->OutStreamer.EmitSymbolValue(FuncBeginSym,
                                    TD->getPointerSize(), 0/*AddrSpace*/);
   
   
-  
   Asm->OutStreamer.AddComment("FDE address range");
-  EmitDifference(getDWLabel("func_end", DebugFrameInfo.Number),
-                 getDWLabel("func_begin", DebugFrameInfo.Number));
+  EmitDifference(getDWLabel("func_end", DebugFrameInfo.Number), FuncBeginSym);
 
+  // FuncBeginSym.
   EmitFrameMoves("func_begin", DebugFrameInfo.Number, DebugFrameInfo.Moves,
                  false);
 

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp?rev=98429&r1=98428&r2=98429&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp Sat Mar 13 01:40:56 2010
@@ -221,12 +221,13 @@
                                  EHFrameInfo.PersonalityIndex),
                       true, true);
 
+    MCSymbol *EHFuncBeginSym = getDWLabel("eh_func_begin", EHFrameInfo.Number);
 
     Asm->OutStreamer.AddComment("FDE initial location");
-    EmitReference(getDWLabel("eh_func_begin", EHFrameInfo.Number), FDEEncoding);
+    EmitReference(EHFuncBeginSym, FDEEncoding);
+    
     Asm->OutStreamer.AddComment("FDE address range");
-    EmitDifference(getDWLabel("eh_func_end", EHFrameInfo.Number),
-                   getDWLabel("eh_func_begin", EHFrameInfo.Number),
+    EmitDifference(getDWLabel("eh_func_end", EHFrameInfo.Number),EHFuncBeginSym,
                    SizeOfEncodedValue(FDEEncoding) == 4);
 
     // If there is a personality and landing pads then point to the language
@@ -246,6 +247,7 @@
     }
 
     // Indicate locations of function specific callee saved registers in frame.
+    // EHFuncBeginSym
     EmitFrameMoves("eh_func_begin", EHFrameInfo.Number, EHFrameInfo.Moves,
                    true);
 

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp?rev=98429&r1=98428&r2=98429&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp Sat Mar 13 01:40:56 2010
@@ -240,12 +240,12 @@
 void DwarfPrinter::EmitFrameMoves(const char *BaseLabel, unsigned BaseLabelID,
                                   const std::vector<MachineMove> &Moves,
                                   bool isEH) {
-  int stackGrowth =
-    Asm->TM.getFrameInfo()->getStackGrowthDirection() ==
-    TargetFrameInfo::StackGrowsUp ?
-    TD->getPointerSize() : -TD->getPointerSize();
-  bool IsLocal = BaseLabel && strcmp(BaseLabel, "label") == 0;
-
+  int stackGrowth = TD->getPointerSize();
+  if (Asm->TM.getFrameInfo()->getStackGrowthDirection() !=
+      TargetFrameInfo::StackGrowsUp)
+    stackGrowth *= -1;
+  
+  bool IsLocal = false;
   for (unsigned i = 0, N = Moves.size(); i < N; ++i) {
     const MachineMove &Move = Moves[i];
     unsigned LabelID = Move.getLabelID();