[DebugInfo] Remove redundant argument. [NFC]

Removes the redundant UnitType parameter from verifyUnitContents. I also
fixed  some formatting issues as I was touching the file.

llvm-svn: 342396
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp b/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp
index 1f0ac6f..0080e7a 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp
@@ -93,7 +93,7 @@
   auto End = Ranges.end();
   auto Iter = findRange(RHS.Ranges.front());
   for (const auto &R : RHS.Ranges) {
-    if(Iter == End)
+    if (Iter == End)
       return false;
     if (R.HighPC <= Iter->LowPC)
       continue;
@@ -156,14 +156,14 @@
                       OffsetStart);
     if (!ValidLength)
       note() << "The length for this unit is too "
-            "large for the .debug_info provided.\n";
+                "large for the .debug_info provided.\n";
     if (!ValidVersion)
       note() << "The 16 bit unit header version is not valid.\n";
     if (!ValidType)
       note() << "The unit type encoding is not valid.\n";
     if (!ValidAbbrevOffset)
       note() << "The offset into the .debug_abbrev section is "
-            "not valid.\n";
+                "not valid.\n";
     if (!ValidAddrSize)
       note() << "The address size is unsupported.\n";
   }
@@ -171,7 +171,7 @@
   return Success;
 }
 
-unsigned DWARFVerifier::verifyUnitContents(DWARFUnit &Unit, uint8_t UnitType) {
+unsigned DWARFVerifier::verifyUnitContents(DWARFUnit &Unit) {
   unsigned NumUnitErrors = 0;
   unsigned NumDies = Unit.getNumDIEs();
   for (unsigned I = 0; I < NumDies; ++I) {
@@ -197,8 +197,8 @@
     NumUnitErrors++;
   }
 
-  if (UnitType != 0 &&
-      !DWARFUnit::isMatchingUnitTypeAndTag(UnitType, Die.getTag())) {
+  uint8_t UnitType = Unit.getUnitType();
+  if (!DWARFUnit::isMatchingUnitTypeAndTag(UnitType, Die.getTag())) {
     error() << "Compilation unit type (" << dwarf::UnitTypeString(UnitType)
             << ") and root DIE (" << dwarf::TagString(Die.getTag())
             << ") do not match.\n";
@@ -288,8 +288,7 @@
       case dwarf::DW_UT_split_compile:
       case dwarf::DW_UT_compile:
       case dwarf::DW_UT_partial:
-      // UnitType = 0 means that we are
-      // verifying a compile unit in DWARF v4.
+      // UnitType = 0 means that we are verifying a compile unit in DWARF v4.
       case 0: {
         Unit.reset(new DWARFCompileUnit(
             DCtx, S, Header, DCtx.getDebugAbbrev(), &DObj.getRangeSection(),
@@ -300,7 +299,7 @@
       }
       default: { llvm_unreachable("Invalid UnitType."); }
       }
-      NumDebugInfoErrors += verifyUnitContents(*Unit, UnitType);
+      NumDebugInfoErrors += verifyUnitContents(*Unit);
     }
     hasDIE = DebugInfoData.isValidOffset(Offset);
     ++UnitIdx;
@@ -827,8 +826,8 @@
 
       if (Iter->second != NotIndexed) {
         error() << formatv("Name Index @ {0:x} references a CU @ {1:x}, but "
-                          "this CU is already indexed by Name Index @ {2:x}\n",
-                          NI.getUnitOffset(), Offset, Iter->second);
+                           "this CU is already indexed by Name Index @ {2:x}\n",
+                           NI.getUnitOffset(), Offset, Iter->second);
         continue;
       }
       Iter->second = NI.getUnitOffset();
@@ -1348,17 +1347,17 @@
   DataExtractor StrData(D.getStringSection(), DCtx.isLittleEndian(), 0);
   unsigned NumErrors = 0;
   if (!D.getAppleNamesSection().Data.empty())
-    NumErrors +=
-        verifyAppleAccelTable(&D.getAppleNamesSection(), &StrData, ".apple_names");
+    NumErrors += verifyAppleAccelTable(&D.getAppleNamesSection(), &StrData,
+                                       ".apple_names");
   if (!D.getAppleTypesSection().Data.empty())
-    NumErrors +=
-        verifyAppleAccelTable(&D.getAppleTypesSection(), &StrData, ".apple_types");
+    NumErrors += verifyAppleAccelTable(&D.getAppleTypesSection(), &StrData,
+                                       ".apple_types");
   if (!D.getAppleNamespacesSection().Data.empty())
     NumErrors += verifyAppleAccelTable(&D.getAppleNamespacesSection(), &StrData,
-                                  ".apple_namespaces");
+                                       ".apple_namespaces");
   if (!D.getAppleObjCSection().Data.empty())
-    NumErrors +=
-        verifyAppleAccelTable(&D.getAppleObjCSection(), &StrData, ".apple_objc");
+    NumErrors += verifyAppleAccelTable(&D.getAppleObjCSection(), &StrData,
+                                       ".apple_objc");
 
   if (!D.getDebugNamesSection().Data.empty())
     NumErrors += verifyDebugNames(D.getDebugNamesSection(), StrData);