commit 7faeecc8f78c31c24c32a9c2e468e840e1b0a15d
author Amjad Aboud <amjad.aboud@intel.com> Sun Dec 25 10:12:09 2016 +0000
committer Amjad Aboud <amjad.aboud@intel.com> Sun Dec 25 10:12:09 2016 +0000
tree 070d7be17f00e414ff58b6f2b3b8517d3d2341bb
parent 5dc0bba4e4a76a338dd34ef6eee695e8446e9236

[DebugInfo] Added support for Checksum debug info feature.

Differential Revision: https://reviews.llvm.org/D27642

llvm-svn: 290514

llvm/lib/Bitcode/Reader/MetadataLoader.cpp

diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
index 595b983..cd08268 100644
--- a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
+++ b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp
@@ -815,13 +815,17 @@
   }
 
   case bitc::METADATA_FILE: {
-    if (Record.size() != 3)
+    if (Record.size() != 3 && Record.size() != 5)
       return error("Invalid record");
 
     IsDistinct = Record[0];
     MetadataList.assignValue(
         GET_OR_DISTINCT(
-            DIFile, (Context, getMDString(Record[1]), getMDString(Record[2]))),
+            DIFile,
+            (Context, getMDString(Record[1]), getMDString(Record[2]),
+             Record.size() == 3 ? DIFile::CSK_None
+                                : static_cast<DIFile::ChecksumKind>(Record[3]),
+             Record.size() == 3 ? nullptr : getMDString(Record[4]))),
         NextMetadataNo++);
     break;
   }

llvm/lib/Bitcode/Writer/BitcodeWriter.cpp

diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index d2abf7c..9d2bea8 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -1515,6 +1515,8 @@
   Record.push_back(N->isDistinct());
   Record.push_back(VE.getMetadataOrNullID(N->getRawFilename()));
   Record.push_back(VE.getMetadataOrNullID(N->getRawDirectory()));
+  Record.push_back(N->getChecksumKind());
+  Record.push_back(VE.getMetadataOrNullID(N->getRawChecksum()));
 
   Stream.EmitRecord(bitc::METADATA_FILE, Record, Abbrev);
   Record.clear();