DebugInfo: Remove DW_TAG_constant

Remove handling for DW_TAG_constant. We started producing it in r110656, but reverted that in r110876 without dropping the support. Finish the job. llvm-svn: 228623
llvm · Feb 9, 2015 · b407bb2 · b407bb2
1 parent d4a912f
commit b407bb2
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Showing 4 changed files with 1 addition and 35 deletions.
diff --git a/llvm/docs/SourceLevelDebugging.rst b/llvm/docs/SourceLevelDebugging.rst
@@ -1807,7 +1807,6 @@ tag is one of:
 * DW_TAG_subrange_type
 * DW_TAG_base_type
 * DW_TAG_const_type
-* DW_TAG_constant
 * DW_TAG_file_type
 * DW_TAG_namelist
 * DW_TAG_packed_type

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1559,7 +1559,6 @@ static dwarf::PubIndexEntryDescriptor computeIndexValue(DwarfUnit *CU,
     return dwarf::GIEK_TYPE;
   case dwarf::DW_TAG_subprogram:
     return dwarf::PubIndexEntryDescriptor(dwarf::GIEK_FUNCTION, Linkage);
-  case dwarf::DW_TAG_constant:
   case dwarf::DW_TAG_variable:
     return dwarf::PubIndexEntryDescriptor(dwarf::GIEK_VARIABLE, Linkage);
   case dwarf::DW_TAG_enumerator:

diff --git a/llvm/lib/IR/DebugInfo.cpp b/llvm/lib/IR/DebugInfo.cpp
@@ -254,8 +254,7 @@ bool DIDescriptor::isSubprogram() const {
 }
 
 bool DIDescriptor::isGlobalVariable() const {
-  return DbgNode && (getTag() == dwarf::DW_TAG_variable ||
-                     getTag() == dwarf::DW_TAG_constant);
+  return DbgNode && getTag() == dwarf::DW_TAG_variable;
 }
 
 bool DIDescriptor::isScope() const {

diff --git a/llvm/test/DebugInfo/X86/2010-08-10-DbgConstant.ll b/llvm/test/DebugInfo/X86/2010-08-10-DbgConstant.ll