[PATCH] If a conditional branch jumps to the same target, remove the condition

[hfinkel at anl.gov]

LGTM. But, could you also please fix llvm::ConstantFoldTerminator in lib/Transforms/Utils/Local.cpp so that it handles the undef condition and transforms the branch with the undef condition into an unconditional branch. If we don't want to do that, then we should just pick true/false here instead of using undef.


http://reviews.llvm.org/D8220

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