[PATCH] [msan] Allow using a MemorySanitizer instance for functions across different modules

[Evgeniy Stepanov]

REPOSITORY
  rL LLVM

================
Comment at: lib/Transforms/Instrumentation/MemorySanitizer.cpp:370
@@ -369,2 +369,2 @@
 
   IRBuilder<> IRB(*C);
----------------
Do we need to reinit C as well? What about things like DataLayout, TargetTriple (I'm looking at MemorySanitizer::doInitialization) etc? Where do we stop?

Perhaps it would be cleaner to detect the change of ModuleID and reinit everything?

http://reviews.llvm.org/D8949

EMAIL PREFERENCES
  http://reviews.llvm.org/settings/panel/emailpreferences/