Include llvm::Optional in clang/Basic/LLVM.h

Post-commit CR feedback from Jordan Rose regarding r175594.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175679 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/BodyFarm.cpp b/lib/Analysis/BodyFarm.cpp
index 2779960..dda26bf 100644
--- a/lib/Analysis/BodyFarm.cpp
+++ b/lib/Analysis/BodyFarm.cpp
@@ -344,7 +344,7 @@
 Stmt *BodyFarm::getBody(const FunctionDecl *D) {
   D = D->getCanonicalDecl();
   
-  llvm::Optional<Stmt *> &Val = Bodies[D];
+  Optional<Stmt *> &Val = Bodies[D];
   if (Val.hasValue())
     return Val.getValue();
   
diff --git a/lib/Analysis/BodyFarm.h b/lib/Analysis/BodyFarm.h
index 72752aa..96f61df 100644
--- a/lib/Analysis/BodyFarm.h
+++ b/lib/Analysis/BodyFarm.h
@@ -15,6 +15,7 @@
 #ifndef LLVM_CLANG_ANALYSIS_BODYFARM_H
 #define LLVM_CLANG_ANALYSIS_BODYFARM_H
 
+#include "clang/Basic/LLVM.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/Optional.h"
 
@@ -33,7 +34,7 @@
   Stmt *getBody(const FunctionDecl *D);
   
 private:
-  typedef llvm::DenseMap<const Decl *, llvm::Optional<Stmt *> > BodyMap;
+  typedef llvm::DenseMap<const Decl *, Optional<Stmt *> > BodyMap;
 
   ASTContext &C;
   BodyMap Bodies;
diff --git a/lib/Analysis/FormatString.cpp b/lib/Analysis/FormatString.cpp
index 4b18d8e..10bb9f3 100644
--- a/lib/Analysis/FormatString.cpp
+++ b/lib/Analysis/FormatString.cpp
@@ -527,13 +527,13 @@
   return NULL;
 }
 
-llvm::Optional<ConversionSpecifier>
+Optional<ConversionSpecifier>
 ConversionSpecifier::getStandardSpecifier() const {
   ConversionSpecifier::Kind NewKind;
   
   switch (getKind()) {
   default:
-    return llvm::Optional<ConversionSpecifier>();
+    return Optional<ConversionSpecifier>();
   case DArg:
     NewKind = dArg;
     break;
@@ -756,8 +756,7 @@
   return true;
 }
 
-llvm::Optional<LengthModifier>
-FormatSpecifier::getCorrectedLengthModifier() const {
+Optional<LengthModifier> FormatSpecifier::getCorrectedLengthModifier() const {
   if (CS.isAnyIntArg() || CS.getKind() == ConversionSpecifier::nArg) {
     if (LM.getKind() == LengthModifier::AsLongDouble ||
         LM.getKind() == LengthModifier::AsQuad) {
@@ -767,7 +766,7 @@
     }
   }
 
-  return llvm::Optional<LengthModifier>();
+  return Optional<LengthModifier>();
 }
 
 bool FormatSpecifier::namedTypeToLengthModifier(QualType QT,
diff --git a/lib/Analysis/UninitializedValues.cpp b/lib/Analysis/UninitializedValues.cpp
index 0eb96dc..cf2533c 100644
--- a/lib/Analysis/UninitializedValues.cpp
+++ b/lib/Analysis/UninitializedValues.cpp
@@ -59,7 +59,7 @@
   unsigned size() const { return map.size(); }
   
   /// Returns the bit vector index for a given declaration.
-  llvm::Optional<unsigned> getValueIndex(const VarDecl *d) const;
+  Optional<unsigned> getValueIndex(const VarDecl *d) const;
 };
 }
 
@@ -74,10 +74,10 @@
   }
 }
 
-llvm::Optional<unsigned> DeclToIndex::getValueIndex(const VarDecl *d) const {
+Optional<unsigned> DeclToIndex::getValueIndex(const VarDecl *d) const {
   llvm::DenseMap<const VarDecl *, unsigned>::const_iterator I = map.find(d);
   if (I == map.end())
-    return llvm::Optional<unsigned>();
+    return Optional<unsigned>();
   return I->second;
 }
 
@@ -132,7 +132,7 @@
 
   Value getValue(const CFGBlock *block, const CFGBlock *dstBlock,
                  const VarDecl *vd) {
-    const llvm::Optional<unsigned> &idx = declToIndex.getValueIndex(vd);
+    const Optional<unsigned> &idx = declToIndex.getValueIndex(vd);
     assert(idx.hasValue());
     return getValueVector(block)[idx.getValue()];
   }
@@ -193,7 +193,7 @@
 }
 
 ValueVector::reference CFGBlockValues::operator[](const VarDecl *vd) {
-  const llvm::Optional<unsigned> &idx = declToIndex.getValueIndex(vd);
+  const Optional<unsigned> &idx = declToIndex.getValueIndex(vd);
   assert(idx.hasValue());
   return scratch[idx.getValue()];
 }