[compiler-rt] r204278 - PGO: Use past-the-end semantics for pointer range

[Duncan P. N. Exon Smith]

Author: dexonsmith
Date: Wed Mar 19 17:45:28 2014
New Revision: 204278

URL: http://llvm.org/viewvc/llvm-project?rev=204278&view=rev
Log:
PGO: Use past-the-end semantics for pointer range

Modified:
    compiler-rt/trunk/lib/profile/InstrProfiling.c

Modified: compiler-rt/trunk/lib/profile/InstrProfiling.c
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/profile/InstrProfiling.c?rev=204278&r1=204277&r2=204278&view=diff
==============================================================================
--- compiler-rt/trunk/lib/profile/InstrProfiling.c (original)
+++ compiler-rt/trunk/lib/profile/InstrProfiling.c Wed Mar 19 17:45:28 2014
@@ -11,7 +11,7 @@
 
 /* TODO: Calculate these with linker magic. */
 static __llvm_pgo_data *First = NULL;
-static __llvm_pgo_data *Final = NULL;
+static __llvm_pgo_data *Last = NULL;
 
 /*!
  * \brief Register an instrumented function.
@@ -27,8 +27,8 @@ void __llvm_pgo_register_function(void *
   __llvm_pgo_data *Data = (__llvm_pgo_data*)Data_;
   if (!First || Data < First)
     First = Data;
-  if (!Final || Data > Final)
-    Final = Data;
+  if (!Last || Data >= Last)
+    Last = Data + 1;
 }
 
 /*! \brief Get the first instrumentation record. */
@@ -40,7 +40,7 @@ static __llvm_pgo_data *getFirst() {
 /*! \brief Get the last instrumentation record. */
 static __llvm_pgo_data *getLast() {
   /* TODO: Use extern + linker magic instead of a static variable. */
-  return Final + 1;
+  return Last;
 }
 
 /* TODO: void __llvm_pgo_get_size_for_buffer(void);  */
@@ -67,4 +67,3 @@ void __llvm_pgo_write_buffer(FILE *Outpu
   for (I = getFirst(), E = getLast(); I != E; ++I)
     writeFunction(OutputFile, I);
 }
-