[llvm-commits] [llvm-gcc-4.2] r48642 - /llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp

[Duncan Sands]

Author: baldrick
Date: Fri Mar 21 04:24:44 2008
New Revision: 48642

URL: http://llvm.org/viewvc/llvm-project?rev=48642&view=rev
Log:
Do not generate debug info for compiler generated
temporaries.  Based on a patch by Jay Foad.  This
fixes PR2167.

Modified:
    llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp

Modified: llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp?rev=48642&r1=48641&r2=48642&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp Fri Mar 21 04:24:44 2008
@@ -315,18 +315,22 @@
 /// region - "llvm.dbg.declare."
 void DebugInfo::EmitDeclare(tree decl, unsigned Tag, const char *Name,
                             tree type, Value *AI, BasicBlock *CurBB) {
+  // Ignore compiler generated temporaries.
+  if (DECL_IGNORED_P(decl))
+    return;
+
   // Lazily construct llvm.dbg.declare function.
   const PointerType *EmpPtr = SR.getEmptyStructPtrType();
   if (!DeclareFn)
     DeclareFn = Intrinsic::getDeclaration(M, Intrinsic::dbg_declare);
-  
+
   // Get type information.
   CompileUnitDesc *Unit = getOrCreateCompileUnit(CurFullPath);
   TypeDesc *TyDesc = getOrCreateType(type, Unit);
 
   expanded_location Loc = GetNodeLocation(decl, false);
   CompileUnitDesc *File = Loc.line ? getOrCreateCompileUnit(Loc.file) : NULL;
-  
+
   // Construct variable.
   VariableDesc *Variable = new VariableDesc(Tag);
   Variable->setContext(RegionStack.back());