From 4d4ee93d25640fafe73d512655cde20911782f8a Mon Sep 17 00:00:00 2001
From: Evgeniy Stepanov <eugeni.stepanov@gmail.com>
Date: Fri, 16 Jun 2017 00:18:29 +0000
Subject: [cfi] CFI-ICall for ThinLTO.

Implement ControlFlowIntegrity for indirect function calls in ThinLTO.
Design follows the RFC in llvm-dev, see
https://groups.google.com/d/msg/llvm-dev/MgUlaphu4Qc/kywu0AqjAQAJ

llvm-svn: 305533
---
 llvm/lib/Bitcode/Reader/BitcodeReader.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'llvm/lib/Bitcode/Reader/BitcodeReader.cpp')

diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index e732daaea2e..f944cc8c955 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -5252,6 +5252,18 @@ Error ModuleSummaryIndexBitcodeReader::parseEntireSummary(unsigned ID) {
           {{Record[0], Record[1]}, {Record.begin() + 2, Record.end()}});
       break;
     }
+    case bitc::FS_CFI_FUNCTION_DEFS: {
+      std::set<std::string> &CfiFunctionDefs = TheIndex.cfiFunctionDefs();
+      for (unsigned I = 0; I != Record.size(); I += 2)
+        CfiFunctionDefs.insert({Strtab.data() + Record[I], Record[I+1]});
+      break;
+    }
+    case bitc::FS_CFI_FUNCTION_DECLS: {
+      std::set<std::string> &CfiFunctionDecls = TheIndex.cfiFunctionDecls();
+      for (unsigned I = 0; I != Record.size(); I += 2)
+        CfiFunctionDecls.insert({Strtab.data() + Record[I], Record[I+1]});
+      break;
+    }
     }
   }
   llvm_unreachable("Exit infinite loop");
-- 
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