Relax assertion. In optimized code, it is possible that first instruction is coming...

[oota-llvm.git] / lib / CodeGen / AsmPrinter / DwarfDebug.cpp

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 6f2634bee71cb05a61a312a235c201c7f73d2cc6..2e9ba40f6ed0aa38d858c9bed522a8f969d0d5cb 100644 (file)
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1504,7 +1504,7 @@ DIE *DwarfDebug::constructInlinedScopeDIE(DbgScope *Scope) {
   const MCSymbol *StartLabel = getLabelBeforeInsn(RI->first);
   const MCSymbol *EndLabel = getLabelAfterInsn(RI->second);
 
-  if (StartLabel == FunctionBeginSym || EndLabel == 0) {
+  if (StartLabel == 0 || EndLabel == 0) {
     assert (0 && "Unexpected Start and End  labels for a inlined scope!");
     return 0;
   }
@@ -2682,18 +2682,21 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
   if (FDL.isUnknown()) return;
   
   const MDNode *Scope = FDL.getScope(MF->getFunction()->getContext());
+  const MDNode *TheScope = 0;
   
   DISubprogram SP = getDISubprogram(Scope);
   unsigned Line, Col;
   if (SP.Verify()) {
     Line = SP.getLineNumber();
     Col = 0;
+    TheScope = SP;
   } else {
     Line = FDL.getLine();
     Col = FDL.getCol();
+    TheScope = Scope;
   }
   
-  recordSourceLine(Line, Col, Scope);
+  recordSourceLine(Line, Col, TheScope);
 
   /// ProcessedArgs - Collection of arguments already processed.
   SmallPtrSet<const MDNode *, 8> ProcessedArgs;
@@ -2899,16 +2902,6 @@ MCSymbol *DwarfDebug::recordSourceLine(unsigned Line, unsigned Col,
     Src = GetOrCreateSourceID(Dir, Fn);
   }
 
-#if 0
-  if (!Lines.empty()) {
-    SrcLineInfo lastSrcLineInfo = Lines.back();
-    // Emitting sequential line records with the same line number (but
-    // different addresses) seems to confuse GDB.  Avoid this.
-    if (lastSrcLineInfo.getLine() == Line)
-      return NULL;
-  }
-#endif
-
   MCSymbol *Label = MMI->getContext().CreateTempSymbol();
   Lines.push_back(SrcLineInfo(Line, Col, Src, Label));