Update aosp/master llvm for rebase to r233350

Change-Id: I07d935f8793ee8ec6b7da003f6483046594bca49

3 files changed, 21 insertions, 2 deletions

diff --git a/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp b/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
index 7d77290..9f56214 100644
--- a/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
+++ b/lib/DebugInfo/DWARF/DWARFDebugFrame.cpp
@@ -9,6 +9,7 @@
 
 #include "llvm/DebugInfo/DWARF/DWARFDebugFrame.h"
 #include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/DataTypes.h"
diff --git a/lib/DebugInfo/DWARF/DWARFDebugLoc.cpp b/lib/DebugInfo/DWARF/DWARFDebugLoc.cpp
index fdb6dd2..cd6fbef 100644
--- a/lib/DebugInfo/DWARF/DWARFDebugLoc.cpp
+++ b/lib/DebugInfo/DWARF/DWARFDebugLoc.cpp
@@ -67,8 +67,7 @@ void DWARFDebugLoc::parse(DataExtractor data, unsigned AddressSize) {
       // A single location description describing the location of the object...
       StringRef str = data.getData().substr(Offset, Bytes);
       Offset += Bytes;
-      E.Loc.reserve(str.size());
-      std::copy(str.begin(), str.end(), std::back_inserter(E.Loc));
+      E.Loc.append(str.begin(), str.end());
       Loc.Entries.push_back(std::move(E));
     }
   }
diff --git a/lib/DebugInfo/DWARF/DWARFFormValue.cpp b/lib/DebugInfo/DWARF/DWARFFormValue.cpp
index 45bd197..6946f83 100644
--- a/lib/DebugInfo/DWARF/DWARFFormValue.cpp
+++ b/lib/DebugInfo/DWARF/DWARFFormValue.cpp
@@ -18,6 +18,7 @@
 #include "llvm/Support/Format.h"
 #include "llvm/Support/raw_ostream.h"
 #include <cassert>
+#include <climits>
 using namespace llvm;
 using namespace dwarf;
 using namespace syntax;
@@ -557,6 +558,24 @@ Optional<uint64_t> DWARFFormValue::getAsUnsignedConstant() const {
   return Value.uval;
 }
 
+Optional<int64_t> DWARFFormValue::getAsSignedConstant() const {
+  if ((!isFormClass(FC_Constant) && !isFormClass(FC_Flag)) ||
+      (Form == DW_FORM_udata && uint64_t(LLONG_MAX) < Value.uval))
+    return None;
+  switch (Form) {
+  case DW_FORM_data4:
+    return int32_t(Value.uval);
+  case DW_FORM_data2:
+    return int16_t(Value.uval);
+  case DW_FORM_data1:
+    return int8_t(Value.uval);
+  case DW_FORM_sdata:
+  case DW_FORM_data8:
+  default:
+    return Value.sval;
+  }
+}
+
 Optional<ArrayRef<uint8_t>> DWARFFormValue::getAsBlock() const {
   if (!isFormClass(FC_Block) && !isFormClass(FC_Exprloc))
     return None;