[llvm-commits] [llvm] r171821 - in /llvm/trunk: docs/SourceLevelDebugging.rst include/llvm/Support/Dwarf.h lib/IR/DebugInfo.cpp lib/Support/Dwarf.cpp
NAKAMURA Takumi
geek4civic at gmail.com
Tue Jan 8 19:38:11 PST 2013
Eric, it seems dragonegg is using DW_TAG_return_variable...
2013/1/8 Eric Christopher <echristo at gmail.com>:
> Author: echristo
> Date: Mon Jan 7 18:16:33 2013
> New Revision: 171821
>
> URL: http://llvm.org/viewvc/llvm-project?rev=171821&view=rev
> Log:
> Remove what appears to be a dead llvm-specific debug tag.
>
> Modified:
> llvm/trunk/docs/SourceLevelDebugging.rst
> llvm/trunk/include/llvm/Support/Dwarf.h
> llvm/trunk/lib/IR/DebugInfo.cpp
> llvm/trunk/lib/Support/Dwarf.cpp
>
> Modified: llvm/trunk/docs/SourceLevelDebugging.rst
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/SourceLevelDebugging.rst?rev=171821&r1=171820&r2=171821&view=diff
> ==============================================================================
> --- llvm/trunk/docs/SourceLevelDebugging.rst (original)
> +++ llvm/trunk/docs/SourceLevelDebugging.rst Mon Jan 7 18:16:33 2013
> @@ -585,12 +585,10 @@
>
> DW_TAG_auto_variable = 256
> DW_TAG_arg_variable = 257
> - DW_TAG_return_variable = 258
>
> An auto variable is any variable declared in the body of the function. An
> argument variable is any variable that appears as a formal argument to the
> -function. A return variable is used to track the result of a function and has
> -no source correspondent.
> +function.
>
> The context is either the subprogram or block where the variable is defined.
> Name the source variable name. Context and line indicate where the variable
>
> Modified: llvm/trunk/include/llvm/Support/Dwarf.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/Dwarf.h?rev=171821&r1=171820&r2=171821&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/Support/Dwarf.h (original)
> +++ llvm/trunk/include/llvm/Support/Dwarf.h Mon Jan 7 18:16:33 2013
> @@ -37,7 +37,7 @@
> namespace dwarf {
>
> //===----------------------------------------------------------------------===//
> -// Dwarf constants as gleaned from the DWARF Debugging Information Format V.3
> +// Dwarf constants as gleaned from the DWARF Debugging Information Format V.4
> // reference manual http://dwarf.freestandards.org .
> //
>
> @@ -50,7 +50,7 @@
>
> DW_TAG_auto_variable = 0x100, // Tag for local (auto) variables.
> DW_TAG_arg_variable = 0x101, // Tag for argument variables.
> - DW_TAG_return_variable = 0x102, // Tag for return variables.
> + // 0x102 - Unused.
> DW_TAG_vector_type = 0x103, // Tag for vector types.
>
> DW_TAG_user_base = 0x1000, // Recommended base for user tags.
>
> Modified: llvm/trunk/lib/IR/DebugInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DebugInfo.cpp?rev=171821&r1=171820&r2=171821&view=diff
> ==============================================================================
> --- llvm/trunk/lib/IR/DebugInfo.cpp (original)
> +++ llvm/trunk/lib/IR/DebugInfo.cpp Mon Jan 7 18:16:33 2013
> @@ -212,7 +212,6 @@
> switch (getTag()) {
> case dwarf::DW_TAG_auto_variable:
> case dwarf::DW_TAG_arg_variable:
> - case dwarf::DW_TAG_return_variable:
> return true;
> default:
> return false;
>
> Modified: llvm/trunk/lib/Support/Dwarf.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Dwarf.cpp?rev=171821&r1=171820&r2=171821&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Support/Dwarf.cpp (original)
> +++ llvm/trunk/lib/Support/Dwarf.cpp Mon Jan 7 18:16:33 2013
> @@ -80,7 +80,6 @@
> case DW_TAG_hi_user: return "DW_TAG_hi_user";
> case DW_TAG_auto_variable: return "DW_TAG_auto_variable";
> case DW_TAG_arg_variable: return "DW_TAG_arg_variable";
> - case DW_TAG_return_variable: return "DW_TAG_return_variable";
> case DW_TAG_vector_type: return "DW_TAG_vector_type";
> case DW_TAG_rvalue_reference_type: return "DW_TAG_rvalue_reference_type";
> case DW_TAG_template_alias: return "DW_TAG_template_alias";
>
>
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