enable jump threading pass by default. This causes no miscompilations
and can significantly shrinkify some code, particularly from C++ land.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50025 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index ca206cf..4b7dbf5 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -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