[llvm-commits] [llvm] r50025 - /llvm/trunk/tools/opt/opt.cpp

[Chris Lattner]

Author: lattner
Date: Sun Apr 20 23:22:09 2008
New Revision: 50025

URL: http://llvm.org/viewvc/llvm-project?rev=50025&view=rev
Log:
enable jump threading pass by default.  This causes no miscompilations 
and can significantly shrinkify some code, particularly from C++ land.

Modified:
    llvm/trunk/tools/opt/opt.cpp

Modified: llvm/trunk/tools/opt/opt.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/opt/opt.cpp?rev=50025&r1=50024&r2=50025&view=diff

==============================================================================
--- llvm/trunk/tools/opt/opt.cpp (original)
+++ llvm/trunk/tools/opt/opt.cpp Sun Apr 20 23:22:09 2008
@@ -267,6 +267,7 @@
 
   addPass(PM, createTailDuplicationPass());      // Simplify cfg by copying code
   addPass(PM, createInstructionCombiningPass()); // Cleanup for scalarrepl.
+  addPass(PM, createJumpThreadingPass());        // Thread jumps.
   addPass(PM, createCFGSimplificationPass());    // Merge & remove BBs
   addPass(PM, createScalarReplAggregatesPass()); // Break up aggregate allocas
   addPass(PM, createInstructionCombiningPass()); // Combine silly seq's