shrink SOURCE_LOCATION_OFFSETS to use 4-byte entries instead of 8-byte

entries, shaving 100K off the PCH file for cocoa.

llvm-svn: 70228

2 files changed, 3 insertions, 3 deletions

diff --git a/clang/lib/Frontend/PCHReader.cpp b/clang/lib/Frontend/PCHReader.cpp
index f87252a8992..1b26b72c5ec 100644
--- a/clang/lib/Frontend/PCHReader.cpp
+++ b/clang/lib/Frontend/PCHReader.cpp
@@ -1017,7 +1017,7 @@ PCHReader::ReadPCHBlock() {
       break;
 
     case pch::SOURCE_LOCATION_OFFSETS:
-      SLocOffsets = (const uint64_t *)BlobStart;
+      SLocOffsets = (const uint32_t *)BlobStart;
       TotalNumSLocEntries = Record[0];
       PP.getSourceManager().PreallocateSLocEntries(this, 
                                                    TotalNumSLocEntries, 
diff --git a/clang/lib/Frontend/PCHWriter.cpp b/clang/lib/Frontend/PCHWriter.cpp
index f0dd43ae8a1..d8603dfb699 100644
--- a/clang/lib/Frontend/PCHWriter.cpp
+++ b/clang/lib/Frontend/PCHWriter.cpp
@@ -738,7 +738,7 @@ void PCHWriter::WriteSourceManagerBlock(SourceManager &SourceMgr,
 
   // Write out the source location entry table. We skip the first
   // entry, which is always the same dummy entry.
-  std::vector<uint64_t> SLocEntryOffsets;
+  std::vector<uint32_t> SLocEntryOffsets;
   RecordData PreloadSLocs;
   SLocEntryOffsets.reserve(SourceMgr.sloc_entry_size() - 1);
   for (SourceManager::sloc_entry_iterator 
@@ -836,7 +836,7 @@ void PCHWriter::WriteSourceManagerBlock(SourceManager &SourceMgr,
   Record.push_back(SourceMgr.getNextOffset());
   Stream.EmitRecordWithBlob(SLocOffsetsAbbrev, Record,
                             (const char *)&SLocEntryOffsets.front(), 
-                            SLocEntryOffsets.size() * 8);
+                           SLocEntryOffsets.size()*sizeof(SLocEntryOffsets[0]));
 
   // Write the source location entry preloads array, telling the PCH
   // reader which source locations entries it should load eagerly.