Canonicalize header guards into a common format.

Add header guards to files that were missing guards. Remove #endif comments
as they don't seem common in LLVM (we can easily add them back if we decide
they're useful)

Changes made by clang-tidy with minor tweaks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215558 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/InstCombine/InstCombine.h

@@ -7,8 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef INSTCOMBINE_INSTCOMBINE_H
-#define INSTCOMBINE_INSTCOMBINE_H
+#ifndef LLVM_LIB_TRANSFORMS_INSTCOMBINE_INSTCOMBINE_H
+#define LLVM_LIB_TRANSFORMS_INSTCOMBINE_INSTCOMBINE_H
 
 #include "InstCombineWorklist.h"
 #include "llvm/Analysis/TargetFolder.h"

lib/Transforms/InstCombine/InstCombineWorklist.h

@@ -7,8 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef INSTCOMBINE_WORKLIST_H
-#define INSTCOMBINE_WORKLIST_H
+#ifndef LLVM_LIB_TRANSFORMS_INSTCOMBINE_INSTCOMBINEWORKLIST_H
+#define LLVM_LIB_TRANSFORMS_INSTCOMBINE_INSTCOMBINEWORKLIST_H
 
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallVector.h"

lib/Transforms/Instrumentation/DebugIR.h

@@ -13,8 +13,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_DEBUGIR_H
-#define LLVM_TRANSFORMS_INSTRUMENTATION_DEBUGIR_H
+#ifndef LLVM_LIB_TRANSFORMS_INSTRUMENTATION_DEBUGIR_H
+#define LLVM_LIB_TRANSFORMS_INSTRUMENTATION_DEBUGIR_H
 
 #include "llvm/Pass.h"
 
@@ -95,4 +95,4 @@ private:
 
 } // llvm namespace
 
-#endif // LLVM_TRANSFORMS_INSTRUMENTATION_DEBUGIR_H
+#endif

lib/Transforms/ObjCARC/ARCRuntimeEntryPoints.h

@@ -19,8 +19,8 @@
 ///
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_TRANSFORMS_SCALAR_ARCRUNTIMEENTRYPOINTS_H
-#define LLVM_TRANSFORMS_SCALAR_ARCRUNTIMEENTRYPOINTS_H
+#ifndef LLVM_LIB_TRANSFORMS_OBJCARC_ARCRUNTIMEENTRYPOINTS_H
+#define LLVM_LIB_TRANSFORMS_OBJCARC_ARCRUNTIMEENTRYPOINTS_H
 
 #include "ObjCARC.h"
 
@@ -183,4 +183,4 @@ private:
 } // namespace objcarc
 } // namespace llvm
 
-#endif // LLVM_TRANSFORMS_SCALAR_ARCRUNTIMEENTRYPOINTS_H
+#endif

lib/Transforms/ObjCARC/DependencyAnalysis.h

@@ -20,8 +20,8 @@
 ///
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_TRANSFORMS_OBJCARC_DEPEDENCYANALYSIS_H
-#define LLVM_TRANSFORMS_OBJCARC_DEPEDENCYANALYSIS_H
+#ifndef LLVM_LIB_TRANSFORMS_OBJCARC_DEPENDENCYANALYSIS_H
+#define LLVM_LIB_TRANSFORMS_OBJCARC_DEPENDENCYANALYSIS_H
 
 #include "llvm/ADT/SmallPtrSet.h"
 
@@ -76,4 +76,4 @@ CanAlterRefCount(const Instruction *Inst, const Value *Ptr,
 } // namespace objcarc
 } // namespace llvm
 
-#endif // LLVM_TRANSFORMS_OBJCARC_DEPEDENCYANALYSIS_H
+#endif

lib/Transforms/ObjCARC/ObjCARC.h

@@ -20,8 +20,8 @@
 ///
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_TRANSFORMS_SCALAR_OBJCARC_H
-#define LLVM_TRANSFORMS_SCALAR_OBJCARC_H
+#ifndef LLVM_LIB_TRANSFORMS_OBJCARC_OBJCARC_H
+#define LLVM_LIB_TRANSFORMS_OBJCARC_OBJCARC_H
 
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/Analysis/AliasAnalysis.h"
@@ -395,4 +395,4 @@ static inline bool IsObjCIdentifiedObject(const Value *V) {
 } // end namespace objcarc
 } // end namespace llvm
 
-#endif // LLVM_TRANSFORMS_SCALAR_OBJCARC_H
+#endif

lib/Transforms/ObjCARC/ObjCARCAliasAnalysis.h

@@ -20,8 +20,8 @@
 ///
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_TRANSFORMS_OBJCARC_OBJCARCALIASANALYSIS_H
-#define LLVM_TRANSFORMS_OBJCARC_OBJCARCALIASANALYSIS_H
+#ifndef LLVM_LIB_TRANSFORMS_OBJCARC_OBJCARCALIASANALYSIS_H
+#define LLVM_LIB_TRANSFORMS_OBJCARC_OBJCARCALIASANALYSIS_H
 
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Pass.h"
@@ -71,4 +71,4 @@ namespace objcarc {
 } // namespace objcarc
 } // namespace llvm
 
-#endif // LLVM_TRANSFORMS_OBJCARC_OBJCARCALIASANALYSIS_H
+#endif

lib/Transforms/ObjCARC/ProvenanceAnalysis.h

@@ -22,8 +22,8 @@
 ///
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_TRANSFORMS_OBJCARC_PROVENANCEANALYSIS_H
-#define LLVM_TRANSFORMS_OBJCARC_PROVENANCEANALYSIS_H
+#ifndef LLVM_LIB_TRANSFORMS_OBJCARC_PROVENANCEANALYSIS_H
+#define LLVM_LIB_TRANSFORMS_OBJCARC_PROVENANCEANALYSIS_H
 
 #include "llvm/ADT/DenseMap.h"
 
@@ -77,4 +77,4 @@ public:
 } // end namespace objcarc
 } // end namespace llvm
 
-#endif // LLVM_TRANSFORMS_OBJCARC_PROVENANCEANALYSIS_H
+#endif