[PATCH] D19264: Enable ODR uniquing of DITypes for ThinLTO backends

[Teresa Johnson via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL266852: Enable ODR uniquing of DITypes for ThinLTO backends (authored by tejohnson).

Changed prior to commit:
  http://reviews.llvm.org/D19264?vs=54198&id=54315#toc

Repository:
  rL LLVM

http://reviews.llvm.org/D19264

Files:
  cfe/trunk/lib/CodeGen/CodeGenAction.cpp

Index: cfe/trunk/lib/CodeGen/CodeGenAction.cpp
===================================================================
--- cfe/trunk/lib/CodeGen/CodeGenAction.cpp
+++ cfe/trunk/lib/CodeGen/CodeGenAction.cpp
@@ -794,6 +794,11 @@
     if (Invalid)
       return;
 
+    // For ThinLTO backend invocations, ensure that the context
+    // merges types based on ODR identifiers.
+    if (!CI.getCodeGenOpts().ThinLTOIndexFile.empty())
+      VMContext->enableDebugTypeODRUniquing();
+
     llvm::SMDiagnostic Err;
     TheModule = parseIR(MainFile->getMemBufferRef(), Err, *VMContext);
     if (!TheModule) {


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