r211862 - CodeGenAction: don't duplicate entire .ll/.bc files into memory

[Alp Toker]

Author: alp
Date: Thu Jun 26 23:34:44 2014
New Revision: 211862

URL: http://llvm.org/viewvc/llvm-project?rev=211862&view=rev
Log:
CodeGenAction: don't duplicate entire .ll/.bc files into memory

Requires supporting changes from LLVM r211861.

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

Modified: cfe/trunk/lib/CodeGen/CodeGenAction.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenAction.cpp?rev=211862&r1=211861&r2=211862&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenAction.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenAction.cpp Thu Jun 26 23:34:44 2014
@@ -644,13 +644,8 @@ void CodeGenAction::ExecuteAction() {
     if (Invalid)
       return;
 
-    // FIXME: This is stupid, IRReader shouldn't take ownership.
-    llvm::MemoryBuffer *MainFileCopy =
-      llvm::MemoryBuffer::getMemBufferCopy(MainFile->getBuffer(),
-                                           getCurrentFile());
-
     llvm::SMDiagnostic Err;
-    TheModule.reset(ParseIR(MainFileCopy, Err, *VMContext));
+    TheModule.reset(ParseIR(MainFile, Err, *VMContext));
     if (!TheModule) {
       // Translate from the diagnostic info to the SourceManager location.
       SourceLocation Loc = SM.translateFileLineCol(