[llvm] r204125 - [msan] Remove unused code.

[Evgeniy Stepanov]

Author: eugenis
Date: Tue Mar 18 03:29:42 2014
New Revision: 204125

URL: http://llvm.org/viewvc/llvm-project?rev=204125&view=rev
Log:
[msan] Remove unused code.

Modified:
    llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp

Modified: llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp?rev=204125&r1=204124&r2=204125&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp (original)
+++ llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp Tue Mar 18 03:29:42 2014
@@ -249,8 +249,6 @@ class MemorySanitizer : public FunctionP
 
   /// \brief The run-time callback to print a warning.
   Value *WarningFn;
-  /// \brief Run-time helper that copies origin info for a memory range.
-  Value *MsanCopyOriginFn;
   /// \brief Run-time helper that generates a new origin value for a stack
   /// allocation.
   Value *MsanSetAllocaOrigin4Fn;
@@ -324,9 +322,6 @@ void MemorySanitizer::initializeCallback
                                         : "__msan_warning_noreturn";
   WarningFn = M.getOrInsertFunction(WarningFnName, IRB.getVoidTy(), NULL);
 
-  MsanCopyOriginFn = M.getOrInsertFunction(
-    "__msan_copy_origin", IRB.getVoidTy(), IRB.getInt8PtrTy(),
-    IRB.getInt8PtrTy(), IntptrTy, NULL);
   MsanSetAllocaOrigin4Fn = M.getOrInsertFunction(
     "__msan_set_alloca_origin4", IRB.getVoidTy(), IRB.getInt8PtrTy(), IntptrTy,
     IRB.getInt8PtrTy(), IntptrTy, NULL);