[llvm] r300753 - Code style change as suggested in https://reviews.llvm.org/D32177 (NFC)

[Dehao Chen via llvm-commits]

Author: dehao
Date: Wed Apr 19 15:52:21 2017
New Revision: 300753

URL: http://llvm.org/viewvc/llvm-project?rev=300753&view=rev
Log:
Code style change as suggested in https://reviews.llvm.org/D32177 (NFC)

Modified:
    llvm/trunk/lib/DebugInfo/DWARF/DWARFUnit.cpp

Modified: llvm/trunk/lib/DebugInfo/DWARF/DWARFUnit.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/DWARF/DWARFUnit.cpp?rev=300753&r1=300752&r2=300753&view=diff
==============================================================================
--- llvm/trunk/lib/DebugInfo/DWARF/DWARFUnit.cpp (original)
+++ llvm/trunk/lib/DebugInfo/DWARF/DWARFUnit.cpp Wed Apr 19 15:52:21 2017
@@ -387,24 +387,19 @@ DWARFDie DWARFUnit::getSubroutineForAddr
 void
 DWARFUnit::getInlinedChainForAddress(uint64_t Address,
                                      SmallVectorImpl<DWARFDie> &InlinedChain) {
-  // First, find the subroutine that contains the given address (the leaf
-  // of inlined chain).
-  DWARFDie SubroutineDIE;
+  assert(InlinedChain.empty());
   // Try to look for subprogram DIEs in the DWO file.
   parseDWO();
-  if (DWO)
-    SubroutineDIE = DWO->getUnit()->getSubroutineForAddress(Address);
-  else
-    SubroutineDIE = getSubroutineForAddress(Address);
+  // First, find the subroutine that contains the given address (the leaf
+  // of inlined chain).
+  DWARFDie SubroutineDIE =
+      (DWO ? DWO->getUnit() : this)->getSubroutineForAddress(Address);
 
-  if (SubroutineDIE) {
-    while (SubroutineDIE) {
-      if (SubroutineDIE.isSubroutineDIE())
-        InlinedChain.push_back(SubroutineDIE);
-      SubroutineDIE  = SubroutineDIE.getParent();
-    }
-  } else
-    InlinedChain.clear();
+  while (SubroutineDIE) {
+    if (SubroutineDIE.isSubroutineDIE())
+      InlinedChain.push_back(SubroutineDIE);
+    SubroutineDIE  = SubroutineDIE.getParent();
+  }
 }
 
 const DWARFUnitIndex &llvm::getDWARFUnitIndex(DWARFContext &Context,