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(parent: e031e4b) | patch
Allow readonly functions to unwind exceptions. Teach
authorDuncan Sands <baldrick@free.fr>
Wed, 6 May 2009 06:49:50 +0000 (06:49 +0000)
committerDuncan Sands <baldrick@free.fr>
Wed, 6 May 2009 06:49:50 +0000 (06:49 +0000)
commit7af1c78b98d2df7d0ab9154461ca3d835706716e
tree36e5d75294f6632cb5486c95675e0f2b6d13de86tree | snapshot
parente031e4bcb91ceafa2ddf0a7480a7135bdf5ebd57commit | diff
Allow readonly functions to unwind exceptions.  Teach
the optimizers about this.  For example, a readonly
function with no uses cannot be removed unless it is
also marked nounwind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71071 91177308-0d34-0410-b5e6-96231b3b80d8
13 files changed:
docs/LangRef.html diff | blob | history
include/llvm/Instruction.h diff | blob | history
lib/Transforms/Scalar/ADCE.cpp diff | blob | history
lib/Transforms/Scalar/GVN.cpp diff | blob | history
lib/Transforms/Scalar/InstructionCombining.cpp diff | blob | history
lib/Transforms/Scalar/LoopDeletion.cpp diff | blob | history
lib/Transforms/Scalar/LoopIndexSplit.cpp diff | blob | history
lib/Transforms/Scalar/LoopUnswitch.cpp diff | blob | history
lib/Transforms/Scalar/TailDuplication.cpp diff | blob | history
lib/Transforms/Scalar/TailRecursionElimination.cpp diff | blob | history
lib/Transforms/Utils/Local.cpp diff | blob | history
lib/VMCore/Instruction.cpp diff | blob | history
test/Transforms/ADCE/dce_pure_call.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors