InstrProf: Simplify some logic by using ArrayRef::slice (NFC)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227898 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/ProfileData/CoverageMappingReader.cpp b/lib/ProfileData/CoverageMappingReader.cpp
index 6476d28ec35d2d8f1b663b4c8d7397c81f272a43..1ab2acb2f93612366fc60d5a482d08a4d995b5ea 100644 (file)
--- a/lib/ProfileData/CoverageMappingReader.cpp
+++ b/lib/ProfileData/CoverageMappingReader.cpp
@@ -543,7 +543,7 @@ ObjectFileCoverageMappingReader::readNextRecord(CoverageMappingRecord &Record) {
   auto &R = MappingRecords[CurrentRecord];
   RawCoverageMappingReader Reader(
       R.FunctionName, R.CoverageMapping,
-      makeArrayRef(Filenames.data() + R.FilenamesBegin, R.FilenamesSize),
+      makeArrayRef(Filenames).slice(R.FilenamesBegin, R.FilenamesSize),
       FunctionsFilenames, Expressions, MappingRegions);
   if (auto Err = Reader.read(Record))
     return Err;