[DWARF] Simplify DWARFAttribute. NFC.

The first argument in the constructor was ignored, and the remaining
arguments were always passed as their defaults.

Differential Revision: https://reviews.llvm.org/D64407

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@366188 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/DebugInfo/DWARF/DWARFAttribute.h b/include/llvm/DebugInfo/DWARF/DWARFAttribute.h
index 96e622ccc0331b4709a326c9e15722025a137723..c8ad19ad6bf6431d71666b21bab66d9435e9198c 100644 (file)
--- a/include/llvm/DebugInfo/DWARF/DWARFAttribute.h
+++ b/include/llvm/DebugInfo/DWARF/DWARFAttribute.h
@@ -27,13 +27,10 @@ struct DWARFAttribute {
   /// The debug info/types section byte size of the data for this attribute.
   uint32_t ByteSize = 0;
   /// The attribute enumeration of this attribute.
-  dwarf::Attribute Attr;
+  dwarf::Attribute Attr = dwarf::Attribute(0);
   /// The form and value for this attribute.
   DWARFFormValue Value;
 
-  DWARFAttribute(uint32_t O, dwarf::Attribute A = dwarf::Attribute(0),
-                 dwarf::Form F = dwarf::Form(0)) : Attr(A), Value(F) {}
-
   bool isValid() const {
     return Offset != 0 && Attr != dwarf::Attribute(0);
   }
@@ -45,13 +42,6 @@ struct DWARFAttribute {
   /// Identifies DWARF attributes that may contain a reference to a
   /// DWARF expression.
   static bool mayHaveLocationDescription(dwarf::Attribute Attr);
-
-  void clear() {
-    Offset = 0;
-    ByteSize = 0;
-    Attr = dwarf::Attribute(0);
-    Value = DWARFFormValue();
-  }
 };
 
 } // end namespace llvm

diff --git a/lib/DebugInfo/DWARF/DWARFDie.cpp b/lib/DebugInfo/DWARF/DWARFDie.cpp
index 6212842983669428855dfa3c286818c79b52ac24..d638dc4239f4720f5db9f1acc39cd63391e41ccb 100644 (file)
--- a/lib/DebugInfo/DWARF/DWARFDie.cpp
+++ b/lib/DebugInfo/DWARF/DWARFDie.cpp
@@ -663,7 +663,7 @@ iterator_range<DWARFDie::attribute_iterator> DWARFDie::attributes() const {
 }
 
 DWARFDie::attribute_iterator::attribute_iterator(DWARFDie D, bool End)
-    : Die(D), AttrValue(0), Index(0) {
+    : Die(D), Index(0) {
   auto AbbrDecl = Die.getAbbreviationDeclarationPtr();
   assert(AbbrDecl && "Must have abbreviation declaration");
   if (End) {
@@ -693,7 +693,7 @@ void DWARFDie::attribute_iterator::updateForIndex(
     AttrValue.ByteSize = ParseOffset - AttrValue.Offset;
   } else {
     assert(Index == NumAttrs && "Indexes should be [0, NumAttrs) only");
-    AttrValue.clear();
+    AttrValue = {};
   }
 }