[llvm-commits] [llvm] r109262 - /llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp

[Chris Lattner]

On Jul 23, 2010, at 1:36 PM, Devang Patel wrote:

> Author: dpatel
> Date: Fri Jul 23 15:36:13 2010
> New Revision: 109262
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=109262&view=rev
> Log:
> IF directory name is empty then try to extract one using absolute file name.

Hey Devang,

Is this code commonly executed?  The sys::Path interfaces are very expensive.

-Chris

> 
> Modified:
>    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
> 
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=109262&r1=109261&r2=109262&view=diff
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Fri Jul 23 15:36:13 2010
> @@ -1805,6 +1805,11 @@
>   DICompileUnit DIUnit(N);
>   StringRef FN = DIUnit.getFilename();
>   StringRef Dir = DIUnit.getDirectory();
> +  if (Dir.empty()) {
> +    sys::Path AbsFileDirName(FN);
> +    AbsFileDirName.makeAbsolute();
> +    Dir = AbsFileDirName.getDirname();
> +  }
>   unsigned ID = GetOrCreateSourceID(Dir, FN);
> 
>   DIE *Die = new DIE(dwarf::DW_TAG_compile_unit);
> 
> 
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