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Remove what appears to be a dead llvm-specific debug tag.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171821 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2013-01-08 00:16:33 +00:00
parent 6821060509
commit 72a81be374
4 changed files with 3 additions and 7 deletions
docs
SourceLevelDebugging.rst
include/llvm/Support
Dwarf.h
lib
IR
DebugInfo.cpp
Support
Dwarf.cpp

4
docs/SourceLevelDebugging.rst

@ -585,12 +585,10 @@ value of the tag depends on the usage of the variable:
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

4
include/llvm/Support/Dwarf.h

@ -37,7 +37,7 @@ enum {
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 @@ enum llvm_dwarf_constants {
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.

1
lib/IR/DebugInfo.cpp

@ -212,7 +212,6 @@ bool DIDescriptor::isVariable() const {
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;

1
lib/Support/Dwarf.cpp

@ -80,7 +80,6 @@ const char *llvm::dwarf::TagString(unsigned Tag) {
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";