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(parent: ebef48e) | patch
Fix a bug in the loop in JumpThreading::ProcessThreadableEdges() where it could false...
authorFrits van Bommel <fvbommel@gmail.com>
Thu, 16 Dec 2010 12:16:00 +0000 (12:16 +0000)
committerFrits van Bommel <fvbommel@gmail.com>
Thu, 16 Dec 2010 12:16:00 +0000 (12:16 +0000)
commit01abcf339f8d42921c680fefb2ff988cfeee1198
tree0a8e8fbaf45d830d85421152c850f748350f6782tree | snapshot
parentebef48ea4b0d838d2e4f05024a517bf18b1cc110commit | diff
Fix a bug in the loop in JumpThreading::ProcessThreadableEdges() where it could falsely produce a MultipleDestSentinel value if the first predecessor ended with an 'indirectbr'. If that happened, it caused an unnecessary FindMostPopularDest() call.
This wasn't a correctness problem, but it broke the fast path for single-predecessor blocks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121966 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/JumpThreading.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors